高 考 状 语 从 句 考 点 复习要点
高考英语状语从句精讲(15页)
状语从句高考英语状语从句精讲一什么是状语从句二状语从句位置三状语从句分类四特殊句式五状语从句常见考点六练一练一什么是状语从句状语从句是行使状语功能的从句，因为其作用相当于副词，它可以用来修饰谓语、定语、状语或整个句子。
状语从句通常由一个连接词或起连接词作用的词组引导。
二状语从句位置比较灵活，有时可以放于句首，有时可以置于句末。
状语从句位于句首时，其后常用逗号与后面的句子隔开。
三状语从句分类让步状语though, although, even though, whilewhether，whoever/no matter who，whatever/ n o m atter w hat，whenever/no matter Even t hough y ou s ay s o, I d o n ot believe it.比较状语than as…as，the more…the more The m ore I s ee him ,t he l ess I l ike h im. 方式状语as, as if , as though He t old m e e verything a s i f I w ere h isbest friend.四特殊句式时间状语中A:It +b e +时间点+ w hen……当某事发生时是什么时候It was 11:00 PM when he came back last night.B:It i s/has b een +时间段+s ince……自从某事发生后已过了多久时间It i s /has b een t wo y ears s ince I e ntered t he t he s enior s chool.C:It + be +时间段+before……在某事发生之前需要多久时间It was 8 years before we finally drove away the Japanese invaders.It m ight b e a l ong t ime b efore C hinese l and o n t he m oon.让步状语从句A: as 引导的让步状语从句，从句的表语、状语必须前置到句首。
高考英语专项复习：状语从句
状语从句状语从句在高考试题中由于其他从句的干扰，以及倒装句，强调句的介入，使得状语从句更为复杂状语从句是一种副词性从句，通常由一个从属连词或一个起连词作用的词组引导状语从句1 时间状语从句常见的连词(组)：when, while, as, befre, after, nce, till, until, as sn as, nw that, hardly when, scarcely when, n sner than等可以引导时间状语从句的副（介）词（短语）或名词短语：directly, instantly, iediately, by the tie, the ent, the secnd, the inute, the instant, every tie, each tie, net tie, the last tie等注意点如下：(1) when, while, as引导的时间状语从句as表示“当……的时候”，往往和when/ while通用，但它着重强调主句与从句的动作或事情同时或几乎同时发生when(at r during the tie)既可以表示在某一点的时候，又可以表示在某一段时间内，主句与从句的动作或事情可以同时发生也可以先后发生while强调一段时间，仅表示从句和主句的动作同时发生，并且有延续意义，该从句中的动词一般要用延续性动词，从句中常用过去进行时态或一般过去时态；当when表示a perid f tie时，两者可以互换She cae up as I was cing(同时)在我做饭时，她走了过When we were at schl, we went t the library every day(在一段时间内)当我们在学校时，每天都去图书馆While they were watching TV, I was preparing yself fr the cing eainatin他们在看电视，而我在为即将到的考试做准备Strie while the irn is ht 趁热打铁( 不可用as或when，这里的while意思是“趁……”)一、when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用① Why d yu want a new jb when yu've gt such a gd ne already？（get为短暂性动词）你已经找到如此好的工作，为何还想再找新的？②Srry，I was ut when yu called e．（call为短暂性动词）对不起，你打电话时我刚好外出了③Strie while the irn is ht．（is为延续性动词，表示一种持续的状态）趁热打铁④ The students t ntes as they listened．（listen为延续性动词）学生们边听课边做笔记二、when从句的谓语动词可以在主句谓语动作之前、之后或同时发生；while和as从句的谓语动作必须是和主句谓语动作同时发生1．从句动作在主句动作前发生，只用 when①When he had finished his hewr，he t a shrt rest．（finished先发生）当他完成作业后，他休息了一会儿②When I gt t the airprt，the guests had left．（gt t后发生）当我赶到飞机场时，客人们已经离开了2．从句动作和主句动作同时发生，且从句动作为延续性动词时，when，while，as都可使用①When ／While ／As we were dancing，a stranger cae in．（dance为延续性动词）当我们跳舞时，一位陌生人走了进②When ／While ／As she was aing a phnecall，I was writing a letter．（ae为延续性动词）当她在打电话时，我正在写信3．当主句、从句动作同时进行，从句动作的时间概念淡化，而主要表示主句动作发生的背景或条件时，只能用 as这时，as常表示“随着……”；“一边……，一边……”之意① As the tie went n，the weather gt wrse．（as表示“随着……”之意）② The atsphere gets thinner and thinner as the height increases．随着高度的增加，大气越越稀薄③As years g by，hina is getting strnger and richer．随着时间一年一年过去，中国变得越越富强了④The little girls sang as they went．小姑娘们一边走，一边唱⑤The sad ther sat n the radside，shuting as she was crying．伤心的妈妈坐在路边，边哭边叫4．在将时从句中，常用when，且从句须用一般时代替将时①Yu shall brrw the b when I have finished reading it．在我读完这本书后，你可以借阅②When the anager ces here fr a visit net wee，I'll tal with hi abut this．下周，经理这参观时，我会和他谈谈此事三、when用于表示“一……就……”的句型中（指过去的事情）sb．had hardly（＝scarcely） dne sth．when．．．＝Hardly ／ Scarcely had sb．dne sth．when．．．①I had hardly ／scarcely clsed y eyes when sene nced at the dr．＝Hardly ／ Scarcely had I clsed y eyes when sene nced at the dr．我刚一闭上眼，就有人在敲门了②I had hardly ／scarcely entered y r when the telephne rang．＝Hardly ／Scarcely had I entered y r when the telephne rang．我刚一走进房门，电话就响了(2) befre引导状语从句时的常见重点句型①It will (nt) be befre还要……才，要不了多久就……It was (nt) befre 过了……才(没多久就……)It was a lng tie befre I gt t sleep过了好长时间我才睡着了It wasn t lng befre he tld e abut the news没多久他就告诉了我那条新闻②不等……就……；在……之前就……The telephne rang ff befre I culd answer it我还没得及接电话，电话就挂断了③刚……就……He hardly entered the r befre he heard the telephne ring他刚进屋电话铃就响了④先……再……Yu can have a few days t thin abut it befre yu ae yur decisin做决定之前你还有几天时间考虑(3)since 引导的从句用延续性动词的过去式（包括过去完成时）时，则从句的动作已经结束,从句意思是否定的如果从句的动词是延续性动词的现在完成时态，则从句意思是肯定的He has never been t see e since I was ill我病愈后，他一直未看我（不再生病了）He has never been t see e since I have been ill我病了，他一直未看我I haven t heard fr hi since he lived here自他从这里搬走，我就没有收到他的信（不住在这儿了）(4) till, until如果till与until用在肯定句中时，则主句中谓语动词部分所表示的动作或状态一直延续到某时或某个动作发生时才结束注意它的倒装句和强调句I didn t recgnize she was y classate until she t ff her dar glasses=Nt until she t ff her dar glasses did I recgnise she was y classate=It was nt until she t ff her dar glasses that I recgnised she was y classate直到她摘下墨镜，我才认出她是我的同学2 原因状语从句引导原因状语从句的常见连词或短语：as, because, since, nw that, cnsidering that, seeing that(鉴于……)注意以下几点：(1) because, since, as, fr, nw thatbecause语气最强，用于回答why的提问，可与强调词nly, just 以及否定词nt 连用但不可以与s连用since 引导的从句语气次于because引导的从句，常表示稍加分析后而推断出的原因，或指人们已知的事实，比as正式一些,常置于句首as 语气最弱，其原因只是对结果的附带说明，一般放在句首fr虽然解释为“因为”但只是一个并列连词，它也常引导句子表示原因，但不是原因状语从句，它是一个并列句fr所提供的理由是一种补充性的说明，表示推测的理由nw that意为“既然，由于”表示由于人们已知的事实或正在发生的事而产生某个结果He failed because he was careless他因粗心而失败了Since everyne has ce, let s begin ur eeting既然大家都了，我们开会吧As all the seats were full, he std there所有的座位都满了,他只好站那儿It ight have rained last night fr the grund is wet昨晚可能下雨了，因为地面是湿的Nw that the ids have left he we have a lt f etra space由于孩子们离开了家，所以我们有了额外的空间3 地点状语从句地点状语从句常由下列连词引导：where, wherever等Yu ay find hi where his brther lives你可能会在他哥哥居住的地方找到他Yu are free t g wherever yu lie你可以去你想要去的任何地方Anywhere he went, he gt war welce无论他走到哪儿，都受到热烈欢迎The girl taes the dll with her everywhere she ges这个女孩无论去哪都带着她的布娃娃Where there is a will, there is a way 有志者事竟成4 结果状语从句结果状语从句常由下列连词引导：s that，such that，s that等要注意以下几个问题(1) 五种结构：①s+adj/adv+that②such (a/an+adj)+n+that③s+adj+a/an+n+that=such a/an+adj+n+that④s any/uch/few/little(少)+n+that⑤such+(adj) +n (u/pl)+ thatHe spe s fast that I culdn t fllw hi他说的如此的快，我跟不上他It was such a lvely day / s lvely a day that we all went swiing今天天气如此的好，我们大家都去游泳了(2) s或such置于句首时，主句常用倒装It was such a lvely day / s lvely a day that we all went swiing＝Such a lvely day was it that we all went swiing今天天气如此的好，我们大家都去游泳了(3)注意以上结构与定语从句s/such as的区别This is such an interesting/s interesting a fil that everyne wants t see it这是一部很有趣的电影以至于每个人都想去看5 目的状语从句目的状语从句由下列连词引导：s that, in rder that, fr fear that, in case等（注：s that也可用引导结果状语从句）s that, in rder that引导的目的状语从句中常需用情态动词s that引导的目的状语从句只能放在主句之后in rder that 引导的目的状语从句可以放在主句之前或之后We set ut early s that we culd see the sunrise我们很早出发以便能看到日出He sent the letter by air ail s that it ight reach the in tie他空邮这封信以便他们能及时收到6 条件状语从句条件状语从句分为真实条件句和非真实条件句（用在虚拟语气中）注意：在真实条件句中，常用一般时态代替将时常由下列连词引导条件状语从句：if, unless, suppse, suppsing, prviding (that), prvided (that), given (that), in case, n cnditin that, as lng as, s lng as, s far as等(1) unless=if ntYu will fail unless yu study hard除非你努力，否则你就要失败(2) suppse, suppsing, prviding(that), prvided(that), given(that)= ifGiven that he supprts us, we ll win the electin如果他支持我们，我们就会赢得选举(3)n cnditin that, as lng as, s lng as = nly ifAs lng as yu dn t lse heart, yu will succeed只要你不灰心，你就会成功(4) as(s) far asS far as I a cncerned, I in favur f “ercy illing”就我个人而言，我支持安乐死7 让步状语从句引导让步状语从句的连词：althugh, thugh, as, even if, even thugh,while, whether r, whever, whatever, hwever, n atter+疑问词等注意以下几点：(1) althugh, thugh引导让步状语从句时，主句前不能用but,但可以加yet, stillThugh it was raining hard, yet they didn t stp wring尽管下着大雨，他们仍然在工作(2) as引导让步状语从句时，必须用前置结构，通常是从句中的表语、状语或动词原形放在句首，放在句首的名词前的冠词要去掉Thugh he is a child, he nws a lt=hild as(thugh)he is, he nws a lt尽管他是个孩子，但他仍知道的很多（注意在child前不要用冠词）Thugh I lie it very uch, I wn t buy it=Much as I lie it, I wn t buy it尽管我非常喜欢它，但我也不会买它(3)whether r (nt ) 引导的从句，提供两个对比的¡°尽管¡±情况，含有条件意味（Whether yu）Believe it r nt, it is trueWhether yu ce here r we g there, the tpic f discussin will reain unchanged不管是你这儿还是我们去那儿，讨论的主题保持不变(4) 疑问词+ever＝n atter +疑问词Whever yu are, yu ust shw yur pass无论你是谁，你都必须出示你的通行证Whenever yu ce, yu are welce8 方式状语从句引导方式状语从句的连词或短语：as, as if, as thugh,the way等注意以下几点：(1) as引导方式状语从句时意为¡°按照¡±，¡°如同¡±，前面常用加强语气I did it just as yu tld e = I did it just as tld t我是按照你的吩咐做的He didn t win the atch as epected(2) as if和as thugh 引导的从句中，谓语常用虚拟语气，有时也用陈述语气It sees as if it were ging t rain(3)连词while 和whereas 可以表示对比Whereas he is rather lazy, she is quite energetic注意状语从句中的省略现象(1) 连接词+过去分词Unless repaired, the washing achine is n use(2) 连词+现在分词L ut while crssing the street(3)连词+形容词/其他常见的有if necessary,if pssible,when necessary,if any等(4) 比较状语从句中的省略He arrived he half an hur earlier than (he had been) epected例1My parents dn’t ind what jb I d I a happy（2009•陕西）A even thughB as sn as as lng as D as thugh解析：选考查状语从句根据题干意思可知,此处是条件状语从句as lng as只要;even thugh引导让步状语从句，意为“即使”；as sn as引导时间状语从句，意为“一……就……”；as thugh引导方式状语从句，意为“仿佛，好象”例2—Shall we have ur picnic trrw?—it desn’t rain （2009•山东）A UntilB While Once D If解析：选D考查交际用语答句句意为：如果明天不下雨的话例3She had just finished her hewr her ther ased her t practise playing the pian yesterday(2009•福建)A whenB while after D since解析：选A考查状语从句由句意可知，此处when用作并列连词，意为“这时”例4Yu d better nt leave the edicine ids can get at it（2008•山东）Aeven if Bwhich where Ds that解析：选句意为：你最好不要把药放在小孩子够得着的地方where引导地点状语从句even if 即使；which 不引导状语从句；s that 为了；以至于;引导目的或结果状语从句例5There were se chairs left ver everyne had sat dwn(2008•四川)A whenB until that D where解析：选A句意为：大家都坐下之后，还有一些椅子空着when 当……时候,引导时间状语从句，符合题意until 直到,引导时间状语从句，但与题意不符；that不引导状语从句；where引导地点状语从句例6Occasins are quite rare I have the tie t spend a day with y ids(2008•山东)Awh Bwhich why Dwhen解析：选D句意为：我很少有机会和孩子在一起待上一天的时间when在此处引导定语从句，修饰先行词ccasins(机会)，并在从句中作时间状语wh和which是关系代词，定语从句中不缺少主语、宾语、表语，故排除；why引导定语从句时表示原因，与题意不符例7Trrw is T’s birthdayHave yu gt any idea the party is t be held?（2008•陕西）A what Bwhich that Dwhere解析：选D句意为：明天就是汤姆的生日了，你知道生日聚会在什么地方进行吗?idea后的部分是同位语从句，说明idea的内容；根据题意判断用where引导例8The last tie we had great fun was we were visiting the Wat er Par(2008•天津)A Where Bhw when Dwhy解析：选句意为：我们最后一次玩得很痛快是在游览水上公园时was后的部分是一个表语从句，从句中缺少状语，根据题意判断用when引导例9Dn’t prise anything yu are ne hundred percent sure(2008•浙江)A whetherB after hw D unless解析：选D句意为：不要承诺什么，除非你有百分之百的把握unless 如果不，除非;符合题意whether 是否；after ……之后；hw 如何例10 well prepared yu are, yu still need a lt f luc in untain clibing(2008·上海)A HweverB Whatever N atter D Althugh解析：选A考查hwever 的用法hwever相当于n atter hw, 但n atter不能单独使用；句中的well是副词，所以用hwever而不用whatever修饰；althugh引导的让步状语从句不倒装1 I’ll let yu nw ____ he ces bacA befreB because as sn as D althugh2 She will sing a sng ____ she is asedA ifB unless fr D since3 We will wr ____ we are neededA wheneverB because since D wherever4 Read it alud _____ the class can hear yuA s thatB if when D althugh5_____ yu g, dn't frget yur pepleA WheneverB Hwever Wherever D Whichever6 It is abut ten years _____ I et yu lastA sinceB fr when D as7 They will never succeed, _____ hard they tryA becauseB hwever when D since8 _____ still half drun, he ade his way heA WhenB Because Thugh D As9 _____ she was very tired, she went n wringA AsB Althugh Even D In spite f10 Busy _____ he was, he tried his best t help yuA asB when since D fr11 I learned a little Russian _____ I was at iddle schlA thughB althugh as if D when12 _____ we gt t the statin, the train had left alreadyA IfB Unless Since D When13 _____ the rain stps, we' 11 set ff fr the statinA BefreB Unless As sn as D Thugh14 She was _____ tired _____ she culd nt ve an inchA s, thatB such, that very, that D s, as15 We didn’t g he _____ we finished the wrA sinceB until because D thugh16 I'll stay here _____ everyne else ces bacA even ifB as thugh because D until17 Althugh it's raining, _____ are still wring in the fieldA theyB but they and they D s they18 Spea t hi slwly _____ he ay understand yu betterA sinceB s that fr D because19 Yu'll iss the train ______ yu hurry upA unlessB as if D until20 When yu read the b, yu' d better ae a ar _____ yu have any questinsA at whichB at where the place D where21 We'd better hurry ______ it is getting darA andB but as D unless22 I didn' t anage t d it _____ yu had eplained hwA untilB unless when D befre23_____ he ces, we wn't be able t gA WithutB Unless Ecept D Even24 I hurried _____ I wuldn't be late fr classA sinceB s that as if D unless25 _____ I catch a cld, I have pain in y bacA Every tieB Thugh Even D Where26 What's the atter _____ they still haven't answered the telegra?A whenB that thugh D hwever27 Bring it nearer _____ I ay see it betterA althughB even thugh s that D since28 Yu ay arrive in Beijing early _____ yu ind taing the night trainA thatB thugh unless D if29 Helen listened carefully _____ she ight discver eactly what she neededA in thatB in rder that in case D even thugh30 Mre peple will eat ut in restaurants _____ they d tdayA thanB when while D as31_____ hard she tries, she can hardly avid aing istaes in her hewrA MuchB Hwever As D Althugh32 Pr _____ it ay be, there is n place lie he, _____ yu ay gA as; whereverB thugh; whenever in spite f; when D that; wherever33 The child was __ iediately after supperA enugh tired t g t bedB t tired t g t beds tired that he went t bed D very tired, he went t bed34 The histry f nursing __ the histry f anA as ld asB is ld than that is as ld as D is as ld as35 _____ brn in hicag, the authr was faus fr his stries abut New YrA SinceB Once WhenD Althugh36_____ we std at the tp f the building, the peple belw were hardly visibleA AsB Althugh Unless D In spite f37 Scarcely was Gerge Washingtn in his teens _____ his father diedA thanB as while D when38 _____ David ges, he is welceA WhicheverB Hwever Wherever D Whatever39 The huse std _____ there had been a rcA whichB at which when D where40 Sall _____ it is, the pen is a st useful tlA becauseB s if D as41 After the new technique was intrduced, the factry prduced _____ tractrs in 1988 as the year befreA as twice anyB as any twice twice as any D twice any as42 The pian in the ther shp will be _____, but _____A cheaper; nt as betterB re cheap; nt as bettercheaper; nt as gd D re cheap; nt as gd43 Jhn plays ftball _____, if nt better than, DavidA as wellB as well as s well D s well as44 Althugh he is cnsidered a great writer,A his wrs are nt widely readB but his wrs are nt widely readhwever his wrs are nt widely read D still his wrs are nt widely read45 ___ the day went n, the weather gt wrseA WithB Since While D As46—What was the party lie?—Wnderful It' s years _____ I enjyed yself s uchA afterB when befre D since47 It was nt _____ she t ff her dar glasses _____ I realized she was a faus fil starA when; thatB until; that until; when D when; then48 If we wr with a strng will, we can verce any difficulty, _____ great it isA whatB hw hwever D whatever49 After the war, a new schl building was put up _____ there had nce been a theatreA thatB where which D when50_____, Mther will wait fr hi t have dinner tgetherA Hwever late is heB Hwever he is lateHwever is he late D Hwever late he is51 He will ce t call n yu the ent he ____ his paintingA will finishB finished has finished D had finished52 ____ difficult the tas ay be, we will try ur best t cplete it in tieA N atterB N wnder Thugh D Hwever53 It was ____ that s he culdn’t finish it by herselfA s difficult a wrB such a difficult wr s difficult wr D such difficult wr1~5 ADA 6~10 ABBA 11~15 DDAB 16~20 DABAD 21~25 ABBA26~30 BBD 31~35 BADD 36~40 ADDD 41~45 BAD 46~50 DBBD51~53 DD。
状语从句
难点链接
注意: 在时间状语从句中，主句和从句之间的时态应按下列规律确定。
1）主句一般将来时，从句用一般现在时（特别是用 as soon as 引导从句时 ）：The boy will be a writer when he grows up. I‟ll ring you up as soon as I get to New York.
4. 结果状语从句
难点链接
(1)结果状语从句由so…that, such…that, so that引导。常用句型有： so＋形容词／副词＋that从句 such a／ an ＋形容词＋单数可数名词＋ that从句 such＋形容词＋复数可数名词／不可数名词＋that从句 so＋形容词＋a／ an＋单数可数名词＋that从句 例如： He spoke so fast that I couldn't follow him． He told us such funny stories that we all laughed． He is so poor that he can‟t buy a bike for his son. She is such a good teacher that everybody likes her. My pencil fell under the desk, so that I couldn‟t see it. (2)如果名词前由many, much, little, few等词修饰时，只能用so, 不用such。 例如： Soon there were so many deer that they ate up all the wild roses. He has so little time that he can‟t go to the cinema with you.
超实用高考英语复习：并列句与状语从句-高频考点解密
表因果关系。for连接的 Some animals carry seeds from one place to another, so 分句一般不放在句首。 plants can spread to new places.一些动物将种子从一个
地方带到另一个地方，因此植物(的种子)可以被传播 到新的地方。
•The father waited until his daughter had finished her homework. 那位父亲一直等到他的女儿做完作业。
•The baby didn't go to bed until/till his mother returned. 这个孩子直到他的妈妈回来才睡觉。
or, either… or…等 表选择关系。
Either you must improve your work or I shall dismiss
you. 要么你改进工作，要么我就辞退你。
考点一 并列句
讲解
并列连词 for, so等 and, or等
用法
例句
The leaves of trees are falling, for it's already autumn. 树叶掉落，因为秋天已经到了。
•They have been friends since they met for the first time in London. 自从在伦敦第一次见面以来，他们一直是朋友。
高考复习语言文字运用之句子表达效果
语言文字运用——分析句子表达效果一、题型解读句子表达效果分析题是高考语言运用部分的题型，这一题型源于2020年山东模拟考。
山东模拟考首次出现后，2020年新高考山东卷继续对这一题型进行考查;此后，几乎每年国家高考试题中都有这一题型。
在目前阶段，这一题型具有极强的训练价值。
二、设题类型1.比较型：将文中句子与题干所给句子进行表达效果的比较。
2.分析型：分析文中画线句子的特点或艺术手法的表达效果。
三、答题要点从词语、句式、修辞、语言风格、人称、陈述主体、结构等7个方面进行作答。
四、解题步骤1.找得全——把所有的不同在句中分点标出来。
2.定得准——指出不同时要概括出角度，角度要准确，最好是小角度。
3.析得透——角度和效果一定要结合文本，要具体化，不能只答套话，不能泛泛而谈。
五、知识点讲解（一）精妙用词1.知识点讲解在语用“比较型”表达效果分析题中，改句多会删去、压缩一些修饰性的词语，对原句的分析可以从这些省去的词语入手，分析词语的内涵以及其所起到的表达效果。
重点关注动词、形容词、拟声词、叠词、名词罗列等极富特色，具有独特表达效果的词类。
另外，还可分析其中的两字短语、四字短语等。
动词尤其是非动词活用为动词往往能够使语言生动形象。
使意象化静为动，赋予画面动态感，使意境特点鲜明生动形象。
形容词从形、声、色、光等方面点出事物的特点，传达出作者的情感。
化抽象为具体，变无形为有形，使人如闻其声，如触其物，如历其境。
拟声词模拟各种声音，使描写生动逼真，使人如闻其声，如临其境。
叠词增强语言的韵律感，起强调作用。
名词罗列形成密集而精致的意象群，含蓄、空灵、不凝重，能让读者在脑海中呈现出生动鲜活的画面，形成意境美。
数量词高度概括（数量多，时间长，距离远），夸张渲染、丰富感情。
短语两字短语、四字短语等。
连用四字短语，语言凝练，增强概括力，使文章语言典雅而富有韵味。
2.例题例1:或许紫禁城的空间太过浩大，雨点是以慢动作降落的，似从天而降的伞兵。
高考英语语法复习：八种状语从句的用法
高考英语语法复习：八种状语从句的用法状语从句状语从句有时间、地点、原因、目的、方式、结果、条件、让步等八种。
一、时间状语从句：引导词有after，before，as，once，since，till，until，when，whenever，while，as soon as，the moment/minute…(一…就)，the time,the day,every time,next time,each time，by the time of，no sooner…than(一…就)，hardly…when(一…就).例如：Each/Every time he comes here,he will drop in on me.每次他来这儿他都顺便看我.He was ill last time I saw him.上次我见到他时他病了.No sooner had she heard the news than she cried.她一听到这个消息就哭了.[辨析]when与whilewhen引导的从句动词可以是延续性的或短暂性的，while引导的从句中动词必须是延续性的;在“be…when…”句式中when表“at that time(就在这时)”意，这样用的when不能换为while;while有时并不表示时间，而表示对比，意“而”、“却”，when无这样的用法。
例如：When I got home I found the door locked./While(或When)we were working in the fields,it suddenly began to rain./He was wandering through the streets when a bike hit him./His pencil is red,while mine is yellow.[辨析]till与until一般情况下可以互换，但until可以位于句首，till则不能。
中考英语语法状语从句考点
中考英语语法:状语从句一、时间状语从句在时间状语从句中，通常要用动词的一般现在时态表示将来时，用一般过去时表示过去将来式。
时间状语从句常用连词有： when, as, while, whenever, after, before, till (until), since, once, as soon as (或the moment ), bythe time, no sooner … than, hardly (scarcely) … when, every time等引导。
1．考查when, while, as引导，表示“当……时候”.【考例】一Mum，____shall we have lunch?——We will have it when your dad__________. [07连云港市]A when；returnsB where returns C．where；will return D．when；will return[答案]A．[解析] 答语中when引导了一个时间状语从句，主句用了一般将来时态，所以从句用一般现在时态，可见正确答案在A与B之中。
既然答语用了时间状语来回答，可见问句询问的也一定是时间，从而确定正确答案为A。
2. before 的用法：before的本意为“在……之前”，根据具体语境还可理解为“还没来得及/还没有……就……，趁着还没……就……，不知不觉就……，……才……”等。
如：【考例】Could you please give me your e-mail address _________you go? [昆明市]A. as soon asB. beforeC. afterD. until[答案]B．[解析]这四个词(组)都可以引导时间状语从句，as soon as一……就．before在……之前；after在……之后；until直到……才。
分析句子可以看出句意为“在你走之前把你的电子邮件地址给我好吗?”2．until 和till 的用法：与肯定式的主句连用，主句谓语必须是延续性动词，till/ until表示“……直到……”；与否定式的主句连用，且主句谓语是非延缓性动词时，till/ until表示“直到……才……”。
语法：状语从句-高考英语复习
• since 主句用现在完成时，从句用一般过去时，译 为“自…以来”
• I have written home four times since I came here.
状语从句
时间
原因
目的
让步 方式
1
2
3
4
5
地点
条件
6
7
结果
8
9
比较
考频分析
2013-2019语填与改错
结果 比较
7%
7%
条件 21%
让步 22%
时间 43%
01
时间状语从句
when, while, as, before, after, till/until, as
soon as, once, since, no sooner…than, hardly…when／before, every+时间词, the+时间词,
___C____ birds use their feathers for flight, some of their feathers are for other purposes.
A. Once B. Iቤተ መጻሕፍቲ ባይዱ C. Although D. Because
（1判7 北京）找
选
意思是“即使”
Even if/though I have to sell my house, I'll keep my business going.
【中考英语总复习 夯基础+提能力】01 状语从句要点呈现与讲解
moment/the
instant/the
second/immediately/directly/instantly: hardly. . . when
和no sooner. . . than的意义相当于as soon as, 但只表示
过去发生的事情, 主句为过去完成时, 从句为过去时, 如
hardly或no sooner位于句首时语气强, 而且主句的谓语
*Frank insisted that he was not asleep although I had great difficulty in waking him up. 尽管我费了好大劲才叫醒弗兰克, 但是他坚持说没有睡 着。
(2)even if和even though的意思为“即使, 纵使”, 有退一 步设想的意味, 多用于书面语中。 *Even if the connections were visible, they would remain beyond the understanding of most people. 即便 这些联系是可见的, 但它们对大多数人来说还是无法理 解的。
状语从句 重难知识点复习
定义：
在复合句中由从句表示的状语称作状语从句，它可以用来修 饰谓语（包括非谓语动词）、定语或状语，或是整个句子。
准确掌握每一个连词的含义是掌握状语从句的关键。 使用时，随时要注意主从句的时态呼应。
状语一般分为九大类
时间状语 条件状语 地点状语 让步状语 原因状语 目的状语 结果状语 方式状语 比较状语
(6)while也可以引导让步状语从句, 意为“尽管”, 一般放 在句首。 *While volleyball is her main focus, she’s also good at basketball. 尽管排球是她主要的项目, 她也很擅长篮球。
2021年高考英语二轮复习并列句和状语从句考点讲解含解析
并列句和状语从句知识点一.时间状语从句(一)when,while与as引导的时间状语从句1．when,while与as引导时间状语从句的区别When they heard the news that Shenzhou Ⅸ had been sent up into space successfully,they jumped with joy.听到“神舟”九号成功发射的消息,他们高兴地跳了起来。
While I was reading,he came in.我正在看书时,他进来了。
The students sang as they walked.学生们边走边唱。
2．while还可以作并列连词,表示对比,意为“而,却”。
Liu Wang is from Shanxi while Liu Yang comes from Henan.刘旺来自山西,而刘洋来自河南。
3．when也可以作并列连词,意为“这时,那时”。
We were having a meeting when someone broke in.我们正在开会这时突然有人闯了进来。
(二)before与since引导的时间状语从句1．before与since的常用句式It will be two years before he leaves the country.再过两年他才会离开这个国家。
It wasn't two years before he left the country.不到两年他就离开了这个国家。
2．since引导的从句如果用非延续性动词,所表示的动作自从句谓语动作算起；若用延续性动词,所表示的动作自动作或状态的完成或结束时算起。
It's two years since we arrived here.我们到这儿两年了。
It's three years since we lived here.我们不住在这里有三年了。
高考英语状语从句
状语从句状语从句是副词性从句，它在句子中担任状语，修饰主句的动词、形容词、副词或句子。
高考中主要考查的知识点：(1)状语从句连接词的选用(2)状语从句的时态。
根据修饰的方面，状语从句可以分为以下九种。
1、时间状语从句2、地点状语从句3、原因状语从句4、目的状语从句5、结果状语从句6、条件状语从句7、方式状语从句8、让步状语从句9、比较状语从句1. when, while, as的区别：1) when引导从句时，主从句的动作有先有后，也可以同时进行,从句的动作可以是持续性的，也可以是短暂的。
如：When I got to the airport, the plane had already taken off. （主先从后）（短暂性）When I lived there, I used to go to the seaside on Sundays. (同时) （持续性）When the movie ended, the people went back. （从先主后）2) while侧重主从句动作的对比，且从句的动词必须是持续性的。
如：While we were chatting she was looking at the time table on the wall．3) as引导从句时侧重主从句动作同时或几乎同时进行，从句的动作可以是持续性的，也可以是短暂的。
如：Sometimes I watch TV as I am having breakfast．4）when还可以是并列连词，意思是“就在这时”。
如：I was having a rest on the sofa when the telephone rang．注：并列连词when常用与以下句型中：①…was/were doing…when…（正在做…突然）②…was/were about to do…when…（刚要做…突然）③…was/were on the point of doing…when…(刚要做…突然)④…had just done…when….(刚一…就)⑤Hardly/Scarcely had…done…when…(刚一…就)2. before引导从句时,词义非常灵活，注意下列句子中的before的词义：①. Before I could get in a word, the tailor had measured me.(还没来得及…就)②. We hadn’t run a mile bef ore he felt tired.(还没…就)③. We had sailed 4 days before we saw land.(…才…).④Please write it down before you forget it.(趁还…没就)3. 几个极易混淆的时间状语从句：1）It was +时间点+when…（当…的时候时间是）It was 5 am when we arrived at the village.2）It was/will be+时间段+before…(没过…就／过了…才)It was/will be two weeks before we met/meet again.3）It is /has been +时间段+since…（自从…以来有…）It is/has been 3 years since we last met.突破点：一看be动词的时态，二看时间段还是时间点。
中考英语复习考点《条件状语从句》
中考英语复习考点《条件状语从句》一、考点详解：定义：条件状语从句，即在某种条件下，一件事情可能发生。
在英语中由连接词if或unless等引导的状语从句叫作条件状语从句。
条件是指某一件事情实现之后(状语从句中)，一件事情(主句)才能发生，通常译作＂假如，只要，如果＂等意思。
条件状语从句中，主从句的时态要遵循＂主将从现＂的原则。
即，主句是将来时态时，从句用一般现在时代替将来时态。
引导条件状语从句的连词或词组有：if(如果)，unless(除非)，as long as(只要)等。
如果主句是将来时，条件状语从句也用一般现在时来表示。
如：I will stay at home if it rains tomorrow. 如果明天下雨，我就待在家。
You can’t learn English well unless you work hard.除非你努力学习，否则是学不好英语的。
1、if引导的条件状语从句表示在某种条件下某事很可能发生。
If we pay much attention to the earth, we’ll have a better world.如果我们多关爱地球，就会拥有一个更美好的世界If it rains tomorrow, what shall we do? 如果明天下雨，我们怎么办？If you ask him, he will help you. 如果你请他帮忙，他会帮你的。
If you fail in the exam, you will let him down.如果你考试不及格，你会让他失望的。
注意：if还可以引导虚拟条件句，表示不可实现的条件，从句中多用一般过去时或过去完成时。
What would happen if there were no water? 如果没有水会怎样？2、unless引导的条件状语从句unless的意思是＂如果不，除非＂。
可与if... not互换。
中考英语专题复习--状语从句
A. since B. until C. while
趁热打铁
★★★【2017 益阳】 I didn't realize he was a famous scientist ______ you told me.
主从同为进行时态，只用while不用when
趁热打铁
★★【2014 湖南长沙】 Little Tom _______ computer games when his mother got home.
A. is playing B. plays C. was playing
趁热Hale Waihona Puke 铁★★★【2014 江西九江】
A. won't rain B. didn't rain if/unless “主将从现” C. doesn’t rain
趁热打铁
★★★【2014 达州】
“是否”，宾语从句
---Excuse me, could you please tell me if the
sports meeting ___ on time?
其他状从：原因状从
引导词：because/as/since
My friends admire me because I am handsome and successful.
Since everyone is here, lets start.
She didn’t hear us come in as she was asleep.
04 状语从句-中考英语总复习 重点语法精讲精练(全国通用)
状语从句一、时间状语从句要点: 时间状语从句，由以下连词引导：When，while，as，after，before，as soon as，since，till /until，by the time在时间状语从句中，要注意时态一致。
一般情况下主句是将来时的时候，从句要用一般现在时(主将从现）。
1. whenMozart started writing music when he was four years old.2. whileHe visited a lot of places while he was traveling.3. asHe smiled as he stood up.as/when/while的辨析as、when、while都表示主、从句动作同时发生（均为当......的时候的意思），三者差异如下：① as 表示“一边, 一边＂的意思,强调两个动作同时进行，并表示对比① when 1. 还可以表示从句动词的动作在主句动词的动作＂之前＂或＂之后＂发生。
2. when＝and then; at that moment (正在那个时候)① while 1. 用于时间较长时（while 后常跟进行时）2. 强调两个动作同时进行，并表示对比时有时这三个连词可以互换，有时不可以。
When I had read the article, he called me.When I got to the cinema, the film had begun.She thought I was talking about her daughter, while, in fact, I was talking about my daughter. While the alien was buying a souvenir, the girl called the police.Mother was worried because little Alice was ill, especially as father was away.4. afterHe left the classroom after he had finished his homework the other day.5. beforeMr. Brown had worked in a bank for a year before he came here.6. as soon asWe began to work as soon as we got there.I will write to you as soon as I get home. 我一到家就给你写信。
中考复习——宾语从句与状语从句
步时碰见了康丽。
② when可与终止性动词连用， while只
能与延续性动词连用。如：
It was snowing when we got to the airport．当我们到达机场时，天正下 着雪。（不能用 while） ③ while强调主句表示的动作持续于while 所指的整个时间内；when可指主、从 句所述动作同时或先后发生。如：
so＋形容词＋a／an＋单数可数名词＋ that从句 He spoke so fast that I couldn't follow him．他讲得太快，我跟不上。 He told us such funny stories that we all laughed． 他给我们讲了那么多有趣的故事，我们 全都哈哈大笑。
5) When all the work _____(finish), you may go back home. 6) My brother____ (begin) to learn English when he was eight. 7) Please _____(not leave) here until you _____(tell) to 8) As soon as he_____ (get) there, he will write to us at once.
2．考例： 1）Jack runs as ____ as Tom． A （北京市宣武区）
A．fast
C．fastest
B．faster
D．much faster
2）30, 000 dollars is a large amount of money，but it's ______ than we C need．（上海市） A．for more C．far less B．very much D．very little
主从句“主句完整从句完整”情形解题要点与主从句知识点总结讲义高三英语高考一轮复习语法专题
2024届高三英语高考一轮复习【语法专题】主从句“主句完整，从句完整”情形解题要点与主从句知识点总结（讲义）现在我们来进行最后一种情况：主句完整，从句完整（路线三）关注主句的内容——内容强调时间：when内容不强调时间：where在这条路线中，可供选择的关系词很少，重点集中在when和where这两个词上。
而根据上面提到的规则，各位明显能看出where的适用范围更广，所以考试中，这种情况下最常考的是where。
我们来看几个例句：Many countries are now setting up national parks where animals and plants can be protected.主句完整，从句被动语态也完整。
在主句中强调的是具体地点national parks，所以选择where。
Clearly,in a system where every decision is made on the basis of tradition alone, it may be difficult to achieve progress.主句完整，从句被动语态也完整。
在主句中强调的是抽象地点system，所以选择where。
在这种题目中，考到where的小难点就在于所谓的“地点”既可以是具体的位置，又可以是抽象的空间。
具体位置难度不高，抽象空间得稍微注意一点。
再来比较以下两个句子：I'll give you my friend's home address, where I can be reached most evenings.主句完整，从句被动语态也完整，在主句中强调的是具体地点概念address，所以选择where。
The part in the film where the man broke down the door made some of the audience give a cry.主句完整，从句也完整，在主句中强调的是抽象地点概念part，所以选择where。
高中易考知识点状语从句的种类和用法
高中易考知识点状语从句的种类和用法状语从句是汉语中一个重要的语法结构，它能够在句子中作为修饰成分，用来描述动作或状态的情况。
在高中的语文考试中，状语从句是一个常见的知识点。
本文将介绍高中易考的知识点——状语从句的种类和用法。
一、状语从句的概念与基本特点：状语从句是指在复合句中做状语的从句，它可以用来修饰动词、形容词、副词或整个句子。
状语从句通常由连词引导，与主句之间有一定的逻辑关系。
二、状语从句的种类：1. 时间状语从句：时间状语从句表示动作发生的时间，在句子中可以作时间状语，修饰主句的谓语动词。
常用的引导词有when, as, while, before, after, since 等。
例如：- I will call you when I arrive home.（当我到家的时候，我会给你打电话。
）- He became a teacher after he graduated from university.（他大学毕业后成为了一名教师。
）2. 地点状语从句：地点状语从句描述动作的地点，在句子中作地点状语，修饰主句的谓语动词。
常用的引导词有wherever, wherever, anywhere等。
例如：- She will follow you wherever you go.（无论你去哪里，她都会跟随你。
）- I can find happiness anywhere I am.（无论我在哪里，我都能找到快乐。
）3. 原因状语从句：原因状语从句描述动作的原因，在句子中作原因状语，修饰主句的谓语动词。
常用的引导词有because, since, as, for等。
例如：- I stayed at home because it was raining heavily.（因为下大雨，所以我呆在了家里。
）- Since you are tired, you should rest.（既然你累了，你应该休息一下。
超实用高考英语复习：专题07 高频考点并列句、状语从句及特殊句式与语法填空(原卷版)
距离高考还有一段时间，不少有经验的老师都会提醒考生，愈是临近高考，能否咬紧牙关、学会自我调节，态度是否主动积极，安排是否科学合理，能不能保持良好的心态、以饱满的情绪迎接挑战，其效果往往大不一样。
以下是本人从事10多年教学经验总结出的以下学习资料，希望可以帮助大家提高答题的正确率，希望对你有所帮助，有志者事竟成！养成良好的答题习惯，是决定高考英语成败的决定性因素之一。
做题前，要认真阅读题目要求、题干和选项，并对答案内容作出合理预测;答题时，切忌跟着感觉走，最好按照题目序号来做，不会的或存在疑问的，要做好标记，要善于发现，找到题目的题眼所在，规范答题，书写工整;答题完毕时，要认真检查，查漏补缺，纠正错误。
总之，在最后的复习阶段，学生们不要加大练习量。
在这个时候，学生要尽快找到适合自己的答题方式，最重要的是以平常心去面对考试。
英语最后的复习要树立信心，考试的时候遇到难题要想“别人也难”，遇到容易的则要想“细心审题”。
越到最后，考生越要回归基础，单词最好再梳理一遍，这样有利于提高阅读理解的效率。
另附高考复习方法和考前30天冲刺复习方法。
考点一：并列句1、技法巧图解2. 高考真题体验1、（2022年新高考I卷）...After a three-year pilot period, the GPNP will be officially set up nextyear. The GPNP is designed to reflect the guiding principle of “protecting the authenticity and integrity (完整性) of natural ecosystems, preserving biological diversity, protecting ecological buffer zones, ______ leaving behind precious natural assets(资产)for future generations”. (用适当的词填空)2．（2022年全国乙卷）The “First International Tea Day Tea Road Cooperative Initiative”issued(发布) at the ceremony calls for people working in the tea industry to come together topromote international cooperation ______ cultural exchanges. (用适当的词填空)3 （2022年新高考II卷）He hung on for a few minutes ______ screamed for his father, but hisfather didn't hear him.4、（2021年浙江卷）Although Mary loved flowers, __________ she nor her husband was knownas a gardener. (用适当的词填空)5、(2020·新高考Ⅰ卷)They kept their collection at home until it got too big ________ until theydied, and then it was given to a museum.6、(2020·浙江高考1月卷)It's also that they are on average healthier ________ more productivefor longer.7、（2019新课标II卷）Irene said, “I don’t see any reason to give up work. I work not because Ihave to, _________because I want to.” (用适当的词填空)8、(2018·浙江高考)Small amounts of caffeine—a cup ________ two of coffee a day—seem safefor most people.3、应试指南1、语法填空对连词的考查判断原则：一析→↓二定→重点并列句★★★★★并列句中使用的连词是高考考查的重点，考生要熟练掌握常考并列连词的用法。
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高考状语从句考点复习一状语从句高考的考查特点1. 试题的设问呈现出交叉和综合的特点(不同性质的连词; 定语从句和名词性从句的干扰2. 题干句的情景化增强,句意理解难度提高二能力要求：1.了解状语从句的分类情况及各种状语从句中经常使用的连词2.能够在真实的语境中判定从句与主句的逻辑关系,从而能够使用恰当的连词完成交际.3.能够辨别同类状语从句中近似连词的用法区别.三状语从句的定义、功能、分类定义：在复合句中作状语的从句功能：状语从句在主从复合句中修饰主句中的动词，形容词或副词，或整个主句分类：按意义可分为时间、地点、原因、目的、结果、条件、方式、比较、让步等状语从句。
从句的位置放在句首，也可放在句末。
放在句首时，从句后面常用一个逗号，放在句末时，从句前一般不用逗号。
▲常见考点：考点一、主句与从句的时态呼应问题；考点二、连接词的选择（注意区别几组连接词：while / as / when引导时间状语从句；because / since / as / for引导原因状语从句；if / unless引导条件状语从句；so…that / such…that引导结果状语从句等）；考点三、状语从句与非谓语动词之间的替换；考点四、状语从句的倒装结构（hardly / scarcely…when；no sooner…than等）考点五、根据从句与主句的逻辑关系选用从属连词；2.根据从属连词的词义。
★四、分类：状语从句按其作用可分为九类。
1．时间状语从句常见的从属连词有：(注意其汉语意义when, while, as, before, after, since, until (till once as soon as, the moment, the minute, immediately, directly, each/every time, the first time, the last time, next time, by the time, whenever等。
例如：Every/Each time I was in trouble, he would come to my help.I thought her nice and honest the first time I met her.注意：（1）when, while, as的区别：1when引导从句时，主从句的动作有先有后，也可以同时进行,从句的动作可以是持续性的，也可以是短暂的。
如：When I got to the airport, the plane had already taken off. （主先从后）（短暂性）When I lived there, I used to go to the seaside on Sundays. (同时（持续性）When the movie ended, the people went back. （从先主后）2while侧重主从句动作的对比，且从句的动词必须是持续性的。
如：While we were chatting she was looking at the time table on the wall．3as引导从句时侧重主从句动作同时或几乎同时进行，从句的动作可以是持续性的，也可以是短暂的。
如：Sometimes I watch TV as I am having breakfast．4）when和while还可以是并列连词，意分别为“就在这时”，“然而”。
eg. I was having a rest on the sofa when the telephone rang．They were surprised that a child should work out the problem while they couldn’t .注：并列连词when常用与以下句型中：①…was/were doing…when…（正在做…突然）②…was/were about to do…when…（刚要做…突然）③…was/were on the point of doing…when…(刚要做…突然④…had just done…when….(刚一…就⑤Hardly/Scarcely had…done…when…(刚一…就(2before引导从句时,词义非常灵活，注意下列句子中的before的词义：①.Before I could get in a word, the tailor had measured me.(还没来得及就②We hadn’t run a mile before he felt tired.(还没…就③.We had sailed 4 days before we saw land.(…才… ④.Please write it down before you forget it.(趁还…没就(3till (until 和not…till (untiltill (until:主句谓语动词必须是持续性的，意思是“到…为止“如：He remained there till/until she arrived.not…till (until…: 主句谓语动词必须是短暂性的，意思是“直到…才”如：She won’t go to bed till/until he returns home.not…until还有强调式和倒装式：强调句：It is not until he returns home that she will go to bed. 倒装句：Not until he returns home will she go to bed.(4几个极易混淆的时间状语从句：It was +时间点+when…（当的时候时间是）It was 5 am when we arrived at the village.It was/will be+时间段+before…(没过…就／过了…才It was/will be two weeks before we met/meet again.It is /has been +时间段+since…（自从…以来有…）It is/has been 3 years since we last met.突破点：一看be动词的时态，二看时间段还是时间点。
注意：在“It is /has been +时间段+since…”句型中，从句的动词必须是短暂性的，如果是延续性的动词，时间要从从句的动作结束时算起。
如： It is 3 years since I smoked.( 我戒烟有三年了2．条件状语从句常见的从属连词有：if, unless, as/so long as , as/so far as, on condition that , in case(万一, the more…, the more…等。
如：As/So far as I can see ( am concerned, it will be impossible for them to finish the task.The more books you read, the happier you will feel．(前面为从句3．原因状语从句常见的从属连词有：because, since, now that , as等。
注意because, since, as的区别：１）why的语气最强，它引导的从句比主句更重要，从句的位置可前可后；例外回答why的问句必须使用because。
如：-Why were you absent from the meeting yesterday?-Because I was ill.2since和now that意为“既然”，语气仅次于because,从句的位置一般在前面。
Since everybody is here, let’s begin our meeting．3as的语气比since更弱，意思是“由于”，从句的位置可前可后。
如：As you didn’t turn up at yesterday’s get-together, we missed you very much．４）*for也有“因为”之意，但for是并列连词常用来来补充说明原因或用来表示推断的依据，前面常带逗号。
如：It must have rained last night, for the ground is wet．4．让步状语从句常见的从属连词有：though, although, as, even if / though, no matter wh-， wh-ever, whether…or…等。
如：However late/No matter how late he is, his family will wait for him to have dinner together.Child as he is, he knows a lot. (as引导的让步状语从句必须倒装Whether it is fine or not, I will go boating．5．地点状语从句常见的从属连词有：*where, wherever等。
如：Put the book where it is．6．比较状语从句常见的从属连词有：*as…as, *not so (as…as, *than等。
注意：(1在表达倍数时，可用三种句型：1A…＋倍数＋比较级＋than B 如：This building is twice taller than that one．2A…＋倍数＋as原级as＋B 如：This building is three times as tall as that one．3A…＋倍数＋the size(height, weight, length etc．＋of B如：This building is three times the size of that one．(2 三种句型变式：① 倍数＋more＋名词＋than ② 倍数＋as many/much ＋名词＋asAmericans eat more than twice as many vegetables per person today as they did in 1910. It is reported that the United States uses twice as much energy as the whole of Europe. 7．方式状语从句常见的从属连词有：as , as if / though 等．注意：as if / though引导的从句常用虚拟语气，表示非真实情况．He talks about the moon as if he had been there．(从句动作先发生She treated the boy as if he were/was her own child．(主从句动作同时发生8．目的状语从句常见的从属连词有：so that, that, in order that，in case (以免,for fear that，lest（以免）等。