大学英语三级语法大全
英语三级语法
语法一．Conjunction (连词)表时间的连词1. 表同时进行when, while, as , the instant, the moment, the time, each time, every time…e.g : You see the lightening the instant it happens, but you hear the thunder later.注：while 和 as 有表示对比的意思While/As I am reading，he is listening to the music.2. 表时间先后after，before，not…until表示原因的连词as, because, so, in that(因为)，since表条件的连词as long as (只要), if, unless,e.g.: As long as live, I will help you.Unless you take more care, you’ll have an accident.表让步（虽然…)的连词although, though, but, as,注：as 表让步时通常要用倒装e.g.: Yong as he is, he shows great potential.表示目的的连词in order that （为了），lest（以免，唯恐), in case (以防)，for fear that (以免)，所连接的从句常用虚拟语气即谓语动词用should或原形动词的形式I was afraid lest the new bike should be stolen.二.虚拟语气1. 条件句的虚拟语气表示与现在事实相反，if 从句的谓语动词用一般过去时，主句的谓语动词用should, would, could, might 等加动词原形。
I wouldn’t buy the book if I were you.表示与过去事实相反，if 从句的谓语动词用过去完成时，主句的谓语动词用should, would, could, might 等加动词完成时。
2023年大学英语三级语法知识总结汇总
三级语法考点归纳一．虚拟语气1.i.句中虚拟形式if 引导的非真实条件句（纯粹假设或发生的也许性不大）:条件从句主句与现在相反did (be were) would/ should/ might/ could do与将来相反did (be were) would/ should/ might/ could do与过去相反had done would/ should/ might/ could have done例句If we left (leave) now, we should arrive in time.If they hadn’t gone on vacation, their house wouldn’t have been broken (break) into.2.原形虚拟:a.表命令、决定、规定、建议等词语之后的that-分句中，用动词原形。
suggest, demand, advise, propose, order, arrange, insist, command, require, request, desire …… that ＋(should) do例如He suggested that we should leave early.My suggestion is that we should tell him.b.I.i.(was.形容词/名词tha.….(should.do/例如It is absolutely essential that all the facts be examined first.3.一些句型中的虚拟形式:1.It’.(high.about.th.first.etc..tim.(that.…动词过去时.例.It’.tim.w.left..例.I.i.tim.w.wen.t.bed.2 would rather/sooner 宁愿as if/ though 仿佛would rather/sooner 谓语用过去时与现在或者将来相反as if/ though 谓语用过去完毕时与过去相反4．练习1..______.tr.i.agai.i.I_______you.A.will.a......B.should.a....C.would.wer...D.would.ha.been2.I.i.______.no.fo.th.water.th.plant._______live.A.were.woul.no..B.is.coul.no...C.were.coul...D.did.coul.not3.I.. ______.tha.chanc.t.sho.m.ability.._______th.presiden.o.thi.school.A.hav.no.had.coul.no.become ..B.ha.no.had.woul.no.hav.becom.C.di.no.have.coul.no.become ..D.doesn’.have.wil.no.become4.H.______.b.tha.burgla.i.yo.______.t.sav.him.A.migh.hav.bee.killed.hadn’.com...B.wil.b.killed.didn’.comeC.ma.b.killed.did’.com.......D.coul.b.killed.haven’.come5.I.i._______fo.you.help.._______tha.har.tim.wit.s.littl.money.A.wer.not.woul.no.spen........B.i.not.ca.no.spendC.ha.no.been.woul.no.hav.spen....D.hav.no.been.wil.no.spend6.Wher.______.yo.g.i.wa._______?A.will.break.ou............B.do.wil.brea.outC.would.wer.t.brea.ou........D.will.i.t.brea.out7.Sh.wishe.sh.______.tha.humiliatin.thing.A.doesn’.d....B.didn’.d.....C.haven’.don..D.hadn’.done8.Th.chairma.suggeste.tha.th.meetin.______.pu.off.A.ca.b.....B.b......C.i.......D.wil.be9.I.i.vita.tha.h.______.immediately.A.shoul.g...B.mus.g....C.goe......D.wen.10.I.i.tim.w._______d.ou.homework.A.begi.t....B.ca.begi.t..C.bega.t....D.wil.begi.to答案：1.选C。
全国公共英语三级常见语法
第一节动词的时态一、一般在：1、由 when、as soon as、the minute 、the moment 、till 、until 等惹起的状从句，以及由 if、unless、provided that 等惹起的条件状从句常常用一般在表示未来的作，而主句用一般未来。
例： They will go home for winter vocation as soon as they finish their exams.2、当表示广泛的真谛或许尽人皆知的客事，常常用一般在。
例：The earth is round. 地球是的。
二、一般去：划分三个短的用法：1、used to do sth：去常常做某事。
2、be/get used to doing sth：做某事。
3、be used to do sth：被用于做某事。
三、一般未来：1、be to+原形：表示安排或划好了的作。
例： The Third-Ring Road is to be open to traffic before National Day.2、be about to+原形：表示马上生的作。
例： The lecture is about to begin.座马上开始。
四、行：要点划分 when 和 while 惹起的状的用法。
When 表示上的点，在考中其引的状从句多翻“ ？”，主句多用行； while 引的状从句多翻“正当⋯⋯ ”，从句用行。
例： One of the guards was sleeping when the general came in, which made him very angry.I fell and hurt myself while I was playing tennis.五、此刻达成时：要点划分 have (has) been to：某人去过某地，表示一种经历，重申状态，能够和 once，twice ，often ，never，ever 连用；Have (has) gone to：某人在去某地的途中或已在某地，重申换作。
大学英语三级考试语法总结
（2）wish, would rather (sooner) 后的宾语从 句，谓语动词用虚拟语气。
动词形式
用法
a. 过去式(did)
表示当时未实现的愿望
b. 过去完成时(had done)
表示过去未实现的愿望
c. 过 去 将 (would do)
来
时
表示将来不大可能实现的愿望
形容词性从句 定语从句
3. __________ last Friday, he would have got to Paris. A. Would he leave B. Had he left C. If he is to leave D. If he was leaving 4. If I (be) ______ you, I would not miss the job interview tomorrow morning.
A. fix
B. be fixed
C. have fixed D. have been fixed
2. Jack must __________ (go) away---we can not find him anywhere in the factory.
3．Tom ______ the party as no one saw him there yesterday morning. A. can not attend 表示“严禁” B. mustn’t attend C. won’t have attended D. couldn’t have attended
A. until B. because C. if D. since 2. They had talked only for a few minutes ______
英语三级必背知识点
英语三级必背知识点1. 时态和语态：- 当前时态：一般现在时（Simple Present）、现在进行时（Present Continuous）- 过去时态：一般过去时（Simple Past）、过去进行时（Past Continuous）、过去完成时（Past Perfect）- 将来时态：一般将来时（Simple Future）、将来进行时（Future Continuous）、将来完成时（Future Perfect）- 语态：被动语态（Passive Voice）2. 名词：- 可数名词和不可数名词- 单数和复数形式的变化- 特殊名词的变化，如不规则复数- 可数名词的限定词（定冠词、不定冠词、数词、形容词性物主代词等）3. 代词：- 主格代词和宾格代词- 物主代词和反身代词的变化- 指示代词、疑问代词和不定代词的用法、变化和区别4. 形容词和副词：- 形容词的基本用法和比较级、最高级的变化及用法- 副词的作用、位置和用法5. 动词及动词短语：- 动词的时态、语态和形式变化- 动词短语的构成和用法，如动词+副词、动词+介词短语等6. 介词：- 常用介词的基本用法、位置和搭配- 表示时间、地点、方式、原因等不同含义的介词7. 连词：- 并列连词、从属连词和关联连词的用法及区别- 连词短语和从句的构成和用法8. 冠词：- 定冠词和不定冠词的基本用法和区别- 冠词的特殊用法，如序数词、最高级前的用法等9. 数词：- 基数词和序数词的用法和变化- 分数、小数、百分数的表达10. 句子结构：- 主谓结构、主谓宾结构、主谓表结构等基本句型- 特殊句型，如祈使句、感叹句、倒装句等11. 陈述句、疑问句、否定句、祈使句的构成和用法12. 定语从句和状语从句的基本用法和连接词的选择13. 直接引语和间接引语的变化和转换14. 复合句的标点符号和连接词的运用15. 重要的语法规则和常见的错误用法，如动词时态和语态的混淆、形容词和副词的混淆、代词和名词的混淆等。
最新大学英语三级语法知识总结汇总
三级语法考点归纳一．虚拟语气1. if 句中虚拟形式if 引导的非真实条件句（纯粹假设或发生的可能性不大）：条件从句主句与现在相反did (be were) would/ should/ might/ could do与将来相反did (be were) would/ should/ might/ could do与过去相反had done would/ should/ might/ could have done例句If we left (leave) now, we should arrive in time.If they hadn’t gone on vacation, their house wouldn’t have been broken (break) into.2. 原形虚拟：a. 表命令、决定、要求、建议等词语之后的that-分句中，用动词原形。
suggest, demand, advise, propose, order, arrange, insist, command, require, request, desire …… that ＋(should) do例如He suggested that we should leave early.My suggestion is that we should tell him.b. It is (was) 形容词/名词that …… (should) do/例如It is absolutely essential that all the facts be examined first.3. 一些句型中的虚拟形式：1. It’s (high, about, the first, etc.) time (that) …动词过去时…例如It’s time we left.例如It is time we went to bed.2 would rather/sooner 宁愿as if/ though 好像would rather/sooner 谓语用过去时与现在或者将来相反as if/ though 谓语用过去完成时与过去相反4．练习1. I _______ try it again if I_______you.A. will；amB. should；amC. would；wereD. would；had been2. If it _______ not for the water，the plants _______live.A. were；would notB. is；could notC. were；couldD. did；could not3. If I _______ that chance to show my ability, I _______the president of this school.A. have not had；could not becomeB. had not had；would not have becomeC. did not have；could not becomeD. doesn’t have；will not become4. He _______ by that burglar if you _______ to save him.A. might have been killed；hadn’t comeB. will be killed；didn’t comeC. may be killed；did’t comeD. could be killed；haven’t come5. If it _______for your help，I _______that hard time with so little money.A. were not；would not spendB. is not；can not spendC. had not been；would not have spentD. have not been；will not spend6. Where _______ you go if war _______?A. will；breaks outB. do；will break outC. would；were to break outD. will；is to break out7. She wishes she _______ that humiliating thing.A. doesn’t doB. didn’t doC. haven’t doneD. hadn’t done8. The chairman suggested that the meeting _______ put off.A. can beB. beC. isD. will be9. It is vital that he _______ immediately.A. should goB. must goC. goesD. went10. It is time we _______do our homework.A. begin toB. can begin toC. began toD. will begin to答案：1.选C。
大学英语三级考试常考词组和固定搭配
大学英语三级考试常考词组和固定搭配1、介词+名词XXX偶然on account of因为，由于in addition另外in the air在流行中，在传播中on (the/an) average平均，一般来说at (the) XXX充其量，至多for the better好转，改善on board在船（车、飞机）上out of XXX喘不过气来on business因公，因事in any case无论如何，总之in case of假使，万一in case借使，以防（万一）免得in no case决不by chance偶然，碰劲in charge (of)负责，主管(a) round the clock昼夜不集地in common共用，共有，共同XXX末了，总之in confidence信任in connection with/to关于XXX因此，结果on the contrary反之，正相反out of control失去控制under control被控制住at all costs不惜任何代价in the course of在...过程中，在...期间of course当然，自然XXX在危险中，告急out of danger脱离危险out of date过期（时）的up to date时新的XXX欠债in detail详细地in difficulties处境艰巨in the distance在远处off XXX下班on XXX值班，上班on XXX究竟，到底at all events无论如何in any event有效；实践上in the event of万一，如果发生for example例如in the face of面临，不顾，即使in fact其实，实际上on fire烧着on foot步行in force有效；实施中in favo(u)r of有利于，赞成，撑持in (the) future今后，将来on XXX警惕，防范in general平日，大致上in half成两半at hand在手边，在附近XXX彻着彻尾，完整by hand用手hand down to往下传，传给（后代）hand in hand手拉手，携手in hand在掌握中，在控制中on hand在手边，邻近at heart在内心；本色上XXX牢记，凭记忆at home在家，在国内；自在，自如XXX以名望包管XXX匆忙地，立即for instance例如，举例说at intervals不时，时时at last最终，终于at least至少，最低限度in the least一点，丝毫XXX终于，最后；详细地in the light of按照，根据in line成一直线，排成一行as a matter of fact其实，事实上by all means无论如何，必定by means of借助于，用by no means决不in memory of纪念by mistake毛病地XXX现在，此刻for a moment片刻，一会儿for the XXX现在，暂时XXX立刻，立时in nature本质上XXX有时，不时XXX秩序井然，整齐in order to以便，为了XXX以便out of order发生故障，失调on one's own独自地，独立地in particular出格地，出格，具体地in XXX在曩昔，以往XXX亲自XXX在适当的位置in place of代替in the first place起初，首先in the last place末了out of place不得其所的，不适当的to the point切中要害，切题in practice在实际中，实际上out of practice久不练，荒疏XXX目前，现在for the present现在，临时in public公开地，当众for (the) purpose of为了on purpose故意，有意with the purpose of为了XXX正在斟酌XXX随便地，任意地at any rate无论如何，至少XXX由于as regards关于，至于XXX关系到XXX关于as a result结果，因此in return作为报答，作为回报on XXX在旅途中as a rule规章，规则；通常，照例in the long run最终，从长远观点看on sale出卖；贱卖on a large scale大范围地on a small scale小规模地in secret隐秘地，私下地in sense从某种意义上说in shape处于良好状态on the side作为兼职，分外at first sight乍一看，初看起来XXX被看到，在望out of sight看不见，在视野以外in spite of不论，不顾；尽管，固然on the spot当场，在现场in step同步，合拍out of step步调不一致，不协调in stock现有，备有in sum总而言之XXX流着泪，含泪，哭intermsof根据，依照；用...措词forone XXX首先，一则on the second XXX经重新斟酌，一转念XXX每次，一次XXX从不，决不XXX同时，曾经，早年曾at the same time但是，然而XXX有时for the time being现在，临时from time to time有时，不时in no time立即，马上in time及时，适时地on time准时out of touch失去联系XXX事实上，实践上，切实实在XXX试穿by XXX轮流，交替in turn依次，轮流in XXX徒劳，无效a variety of种种，各种by virtue of由于by XXX顺便提一下，另外in a way在某点，在某种水平上in no way决不in the way of妨碍in one's/the way妨碍，障碍after a while过了一会，不久for a while临时，一时on the whole总的来说in a word一句话at work上班out of work失业，下岗in the world2、动词+名词have/gain access to可以获得have/gain an advantage over胜过，优于pay attention to注意do/try one's best极力，勉力get the best of赛过make the best of充分使用，妥帖处置惩罚get the better of打败，智胜XXX屏息，歇口吻take care小心，留神take care of照顾，照料XXX冒险一试XXX担负，负责with delight怅然，乐意地make a /the difference有影响，很紧张carry/bring into effect使生效，使起作用put into effect实行，生效come/go into effect生效，实施take effect生效，起感化catch one's eye引人注目keep an eye on留神，照看make a face做鬼脸find fault埋怨，挑剔catch fire着火come/go into force生效，实施make XXX交朋友，友好相处make fun of取笑，嘲弄keep one's head保持镇静XXX不知所措lose heart丧失勇气，失去自信心get/learn by heart记住，背诵get hold of捉住，把握keep house管理家务，做家务throw/cast light on使认识打听，阐明XXX记住have in XXX记住，考虑到，想到make up one's XXX下决计come/go into operation使投入生产，使运转put in order整理，检修play a part起作用take place产生，举行take the place of代替come to the point说到要点，扼要地说bring/carry into practice实施，实行make progress进步，进展give rise to引起，使产生make sense讲得通，有意义catch the sight of发现，突然看见(go) on the stage当演员take one's time不急不忙,从容进行keep in touch保持接洽keep XXX通晓事态，注意动向XXX失去联系make use of利用put to use使用，使用give way让路，让步lead the way带路，引路make one's way前进，进行make way让路，开路keep one's word遵守诺言action on作用XXX呼吁，要求XXX，勉力XXX态度，看法a great/ good deal of大量（的），很多（的）influence on影响interference in干预interference with妨碍，打扰XXX引见a lot (of)许多（的），大量（的）lots of大量，很多fall in love with相爱，爱上a number of若干，许多reply to回答，答复a series of一系列，一连串3、名词词组的其他形式trolley bus电车I.D. card身份证credit card信用卡no doubt无疑，必定XXX隔邻out of doors在户外face to face面对面地XXX fact实际情况，真相a few有些，几个quite a few还不少，有相当数目的a little一点，稍，一些，少许little by little逐渐的quite a little相当多，不少no matter无论no more不再fair play公平竞赛，公平看待XXX有需求，销路好rest room厕所，盥洗室XXXside by side肩并肩，一个挨一个heart and soul一心一意step by step逐步ahead of time提前all the time一直，一直once upon a time从前once in a while偶尔，有时no wonder难怪，怪不得word for word逐字地。
英语三级语法点总结
虚拟语气用于表语从句、同位语从句
在suggestion， advice， proposal， order, decision, plan，idea，desire等需要 有内涵的名词后面的表语从句、同位语从句 中，要使用虚拟语气。其谓语动词用动词原 形或should ＋动词原形。例如：
My suggestion is that we should go there at once. What do you think of his proposal that we should put on a play at the English evening? An order has come that no language but German should be taught in the local school.
在虚拟语气中，无论主句中动词是现在时还是过去 时，只要as if/though从句所指的时间与其同时， 都用过去式，若非同时而是较早，或表示已经持续 了若干时间，则用过去完成式。例如： He ordered me about as though I were his wife. I was so happy that I felt as if I had wings and could fly. He looked as if he hadn‟t had a decent meal for a month.
非真实条件句中谓语动词形式
条件从句 与现在事实相反 If sb.+过去式 （be的过去式是 were） 主句 sb.+ would (should, could, might)+动词原 形
与过去事实相反
三级公共英语语法重点
• would rather+从句，是一个常用的虚拟语 气句型 Would rather+从句,谓语一般用过去 时来表示现在或将来。其意为“宁愿……, 还是…… 好些”“一个人宁愿另一个人做 某事”。引导从句的that常省略。在谈到过 去的动作时，谓语则用过去完成时。
• John wants to see me today. I would rather he came to tomorrow than today. 约 翰今天想去看我。我宁愿他明天来看我而 不是今天。(句中came不是表示过去而是表 示将来)
• No sooner …than 刚一…就 • We had no sooner sat down than we found it was time to go. • No sooner had we sat down than we found it was time to go.
• Now that : since • Now that you are grown up, you must stop this childish behavior. • So… as 像…一样 否定句 • This room is not so large as that one. • So far as 就… • So far as I know, he will be away for three we名词+but also +名词 名词+but +名词
• Not only… + 名词+but also +名词作主语的 结构中，谓语动词与but also 后的名词的数 保持一致。 • Not only his wife but also his children have arrived.
2023年三级英语语法重点
三级英语语法重点第一节动词时态：讲12种尤其关注：1、一般目前时特殊使用方法；2、一般过去时；3、过去进行时4、目前完毕时5、过去完毕时；6、未来完毕时；7、目前完毕进行完毕时；8、过去完毕进行时。
一、一般目前式：特殊使用方法：在时间状语、条件状语从句(if，unless)中体现未来动作:A．时间状语(before，after，untill，as soon as，when)：They will go home for winter vocation as soon as they _finish_their exams.When the mixture _is heated ，it will give off a powerful force.34.”When are you going to visit your uncle in Chicago?”“As soon as D.we complete our work for tomorrow.” (03/11试A)B．条件状语(if，unless)：We’ll go fishing if weather is good tomorrow.D。
改为is free。
when引导时间状语从句中要用一般目前时体现未来。
试题AI can’t go to your birthday party unless my father agrees.除非我父亲同意,否则我去不了你生日会二、一般过去时：(要掌握常用不规则动词过去式及过去分词形式,40个左右)1、简朴陈说去过动作或状态：would do2、used to do sth 过去常常做(目前不做了)；be used to doing 习惯于做……(目前还在做)We used to swim in the river when we were in the countryside.咱们过去常在河里游泳。
(目前不了)The old man is used to getting up early in the morning. 老人习惯早起3、It is …time since +从句引导时间状语从句中，since后谓语动词用一般过去时(自从…以来)54. No one can possibly recall any detail about the meeting. It is at least five years since it C. took place . A卷三、一般未来时1、will（shall）+原形动词：体现未来动作或状态。
大学英语三级语法知识总结汇总.doc
三级语法考点归纳一．虚拟语气1.if 句中虚拟形式if 引导的非真实条件句（纯粹假设或发生的可能性不大）：条件从句主句与现在相反did (be were)would/ should/ might/ could do与将来相反did (be were)would/ should/ might/ could do与过去相反had done would/ should/ might/ could havedone例句If we left (leave) now, we should arrive in time.If they hadn’ t gone on vacation, their house wouldn’ t have been broken (break) into.2. 原形虚拟：a. 表命令、决定、要求、建议等词语之后的 that- 分句中，用动词原形。
suggest,demand, advise, propose, order, arrange, insist, command, require,request, desire＋that(should) do例如 He suggested that we should leave early.My suggestion is that we should tell him.b. It is (was) 形容词 / 名词 that(should) do/例如 It is absolutely essential that all the facts be examined first.3.一些句型中的虚拟形式：1. It’ s (high, about, the first, etc.) time (that)动词过去时例如 It ’s time we left. 例如 It is time we went to bed.2 would rather/sooner宁愿as if/ though好像would rather/sooner谓语用过去时与现在或者将来相反as if/ though 谓语用过去完成时与过去相反4．练习1. I _______ try it again if I_______you.A. will ； amB. should； amC. would ； wereD.would ； had been2. If it _______ not for the water， the plants _______live.A. were； would notB. is； could notC. were； couldD. did；could not3.If I _______ that chance to show my ability, I _______the president of this school.A. have not had； could not becomeB. had not had； would not havebecomeC. did not have； could not becomeD. doesn’thave；will not become4. He _______ by that burglar if you _______ to save him.A. might have been killed； hadn’t comeB. will be killed； didn’t comeC. may be killed； did’t comeD. could be killed； haven’t come5. If it _______for your help， I _______that hard time with so little money.A. were not； would not spendB. is not； can not spendC. had not been； would not have spentD. have not been； will not spend6. Where _______ you go if war _______A. will； breaks outB. do； will break outC. would； were to break outD. will； is to break out7. She wishes she _______ that humiliating thing.A. doesn’t doB. didn’ t doC. haven’ t doneD. hadn’t done8. The chairman suggested that the meeting _______ put off.A. can beB. beC. isD. will be9. It is vital that he _______ immediately.A. should goB. must goC. goesD. went10. It is time we _______do our homework.A. begin toB. can begin toC. began toD. will begin to答案：1.选 C。
大学英语三年级语法知识总结汇总精选文档
大学英语三年级语法知识总结汇总精选文档一、动词时态动词时态是英语语法中的重要知识点。
在句子中，动词时态表示动作发生的时间。
以下是几种常见的动词时态：1. 一般现在时：表示经常性、习惯性或普遍性的动作。
例如：She always plays the piano after dinner.2. 现在进行时：表示现在正在进行的动作。
例如：They are watching a movie right now.3. 现在完成时：表示过去某个时间发生的动作对现在产生的影响或结果。
例如：He has already finished his homework.4. 一般过去时：表示过去发生的动作或状态。
例如：I studied in the library yesterday.5. 过去进行时：表示过去某个时间正在进行的动作。
例如：She was reading a book when I called her.6. 过去完成时：表示过去的过去。
例如：Before I came, he had already left.二、被动语态被动语态是指句子的主语是动作的承受者而不是执行者。
被动语态由助动词be加上动词的过去分词构成。
以下是被动语态的用法：1. 一般现在时被动语态：am/is/are + 过去分词。
例如：The book is written by a famous author.2. 一般过去时被动语态：was/were + 过去分词。
例如：The house was built last year.3. 现在进行时被动语态：am/is/are being + 过去分词。
例如：The project is being discussed right now.4. 现在完成时被动语态：has/have been + 过去分词。
例如：The tickets have been sold out.5. 过去进行时被动语态：was/were being + 过去分词。
英语三级语法
It's not a place where anyone would expect to see strange characters on the street.
在这里，人们不会想到在街上会碰上陌生的人。
(anyone 作主语，从句中的谓语动词不能用否定形式。)
同位语：They are investigating the question whether the man is trustworthy. 他们调查他是否值得信赖。
形容词宾语： She's doubtful whether we shall be able to come. 她怀疑我们是否能够前来。
He is unlikely to find the place (that / where / in which) he lived forty years ago. 他不大可能找到他四十年前居住过的地方
4 if, whether引导的名词从句
1）yes-no型疑问从句
从属连词if, whether引导的名词从句是由一般疑问句或选择疑问转化而来的，因此也分别被称为yes-no型疑问句从句和选择型疑问从句，其功能和wh-从句的功能相同， 例如：
主语：Whether the plan is feasible remains to be proved. 这一计划是否可行还有等证实。
Beijing is the place where (in which) I was born. 北京是我的出生地。
Is this the reason why (for which) he refused our offer? 这就是他拒绝我们帮助他的理由吗？
三级语法考点总结
★ 用在过去范围内的短语或句子：by (the time/ the end of) +表示过去时间的短语或句子；before, since, until, when( +句子)等加上表示过去时间的短语或句子。
e.g. By 1995 she _____ a famous writer. (become)
2. With all this work on hand, he ______ to the cinema last night. (go)
3. You _______ all those calculations! We have a computer to do that sort of thing. (do)
② This is the +最高级+名词+that+... + 现在完成时；
③ This is the only+名词+that+... 现在完成时。
注：在这三种结构中若主句谓语是过去式，从句就用过去完成时。
e.g. It was the second time I ____ the film. (see)
五、分词（现在分词和过去分词）
1. 分词的句法功能：主要起形容词和副词作用，可在句中作表语、宾语补足语、定语和状语。
The present situation is encouraging.
Knowing that she wouldn’t be able to buy food on her journey she took large supplies with her.
四、动名词
大学英语三级考试语法复习要点【精选】
⼤学英语三级考试语法复习要点【精选】⼤学英语三级考试语法复习要点⼀、动词的时态和语态1. 动词的时态1.1⼀般现在时1.1.1在下列从句中，主句如⽤⼀般将来时，从句⽤⼀般现在时代替⼀般将来时1)由when, until, the moment, as soon as, after, the next time和if, unless, in case,whether, as long as, once, however，provided that, supposing 等连词引导的时间状语和条件状语从句中。
e.g. If she doesn’t tell him the truth now, he’ll simply keep on asking her until shedoes.He will call you up the moment he finishes the work.You won’t pass the exam unless you study harder.2)在定语从句中，如，Be quick, or the train will have left by the time we get to thestation3)名词性的wh-, that- 从句中, 如：They will be thankful for whatever help youoffer him.4)让步状语从句（从句⽤⼀般现在时，主句⽤⼀般将来时）：e.g. Whether the weather is good or bad,…No matter whether you agree or not…However carefully you drive…1.1.2 表⽰客观事实和真理的句⼦任何时候都⽤⼀般现在时。
e.g.In the past many people didn’t believe that the earth is round.1.1.3 在某些常⽤的句中表⽰在⼀个具体的现在时间所发⽣的动作或存在的状态。
英语三级语法知识精品PPT课件
虚拟语气
虚拟语气在：在宾语从句中 5. 在would (had) rather(宁愿) 引导的宾语
从句中
当从句表示现在或将来的时间时,谓语动词要 用一般过去时;表示过去时间时,谓语动词 要用过去完成时。
I would rather he/you came tomorrow than today.
虚拟语气
Practical English Test for Colleges
(Level A) （A级）
PRETCO A
Grammar
1. 虚拟语气 2. 定语从句 3. 状语从句 4. 时态 5. 被动语态 6. 分词作状语 7. 分词作定语
8. 比较级和最高级 9. 先行词 it 10. 同位语 11. 倒装句 12. 强调句 13. 动词+ -ing/-to do 14. 词形转换 15. 词组
blackboard after class. 老师建议我们课后把黑板擦了。 2) He insisted that all of us should be there on time by any means. 他坚持要我们大家想尽办法按时去那儿。
3) He insisted that he was right.
虚拟语气
虚拟语气在 在条件从句中
二、省略 if 的条件从句
当从句中有 were, had 或 should 时，可省略if ，而把 它们放在句首。
❖ If I were to meet him tomorrow, I should ask him about it. Were I to meet him tomorrow,…
2. I wish I were 30 years younger. 我但愿自己能年轻三十岁。
大学英语三级考试语法总结
大学英语三级考试语法总结大学英语三级考试对于许多非英语专业的同学来说是一个重要的阶段性检测。
语法作为英语学习的重要组成部分，掌握好它对于提升考试成绩、增强英语实际运用能力都有着关键作用。
以下是对大学英语三级考试中常见语法点的总结。
一、时态时态是英语语法中非常重要的一部分，在考试中经常出现。
1、一般现在时：表示经常发生的动作、客观事实或真理。
例如：“The earth revolves s around the sun”（地球绕着太阳转。
）其结构为：主语＋动词原形（当主语为第三人称单数时，动词要加 s 或 es）。
2、一般过去时：表示过去发生的动作或存在的状态。
比如：“I played basketball yesterday”（我昨天打篮球了。
）其结构为：主语＋动词的过去式。
3、一般将来时：表示将来要发生的动作或存在的状态。
常见表达有：“will ＋动词原形”或“be going to ＋动词原形”。
例如：“I will go to Beijing next week”（我下周将去北京。
）4、现在进行时：表示正在进行的动作。
结构为：主语＋ am/is/are ＋动词的现在分词。
例如：“She is reading a book now”（她现在正在读书。
）5、过去进行时：表示过去某个时刻正在进行的动作。
其结构为：主语＋ was/were ＋动词的现在分词。
如：“I was watching TV at eighto'clock last night”（昨晚八点我正在看电视。
）6、现在完成时：表示过去发生的动作对现在造成的影响或结果，或者过去开始一直持续到现在的动作。
结构为：主语＋ have/has ＋过去分词。
比如：“I have finished my homework”（我已经完成了作业。
）7、过去完成时：表示过去某个时间之前已经完成的动作。
结构为：主语＋ had ＋过去分词。
例如：“By the end of last year, we had learned 2000 words”（到去年年底，我们已经学了 2000 个单词。
英语三级必考语法1
●●我不记得向你借过钱。
●Remember我忘了我见过他。
●Don’t forget●我后悔没有努力学英语.（regret—懊悔,studying表示发生在谓语动作之前.）●I regret我很抱歉不能和你一起去看电影。
（regret—抱歉,to say是指现在。
)1．You were brave enough to raise objections at the meeting。
--Well，now I regret _______ that。
A. to do B。
to be doing C. to have done D. having done1．D regret doing sth （或having done sth）=后悔做……。
Regret to do sth=抱歉或者遗憾做……。
我打算坐飞机去.（propose—打算，go there指自己去。
）●He proposes他建议坐飞机去.（propose—建议；going there是泛指；不见得是他本人.)在need，want，clean，require，to be worth等词后面跟动名词时,一般不用被动,用不定式需用被动。
as-—尽管as引导让步状语从句时，句子通常倒装。
可与though互换as——因为，通常放在句首。
情态动词一、“must do （be）” must be doing"表示对现在情况的推测“must have done (been)"表示对过去情况的推测.二、should/ought to “should/ought to have done （been)。
"表示过去应该做而没有做三、could “could have done(been）"表示过去时间里某个动作或某种情况本来能发生，但事实上并未发生。
四、had better和would rather，would sooner.。
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大学英语三级语法大全大学英语三级语法大全 Pleasure Group Office【T985AB-B866SYT-B182C-BS682T-STT18】大学英语三级语法大全名词性从句概述名词性从句在句子中起名词作用的句子叫名词从句 (Noun Clauses)。
名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
引导名词性从句的连接词引导名词性从句的连接词引导名词性从句的连接词可分为三类：连接词：that, whether, if（不充当从句的任何成分）连接代词：what, whatever, who, whoever, whom, whose, which.连接副词：when, where, how, why不可省略的连词：1. 介词后的连词2. 引导主语从句和同位语从句的连词不可省略。
What she was chosen made us very happy.We heard the news that our team had won.比较：whether与if 均为"是否"的意思。
但在下列情况下，whether 不能被if 取代：1. whether引导主语从句并在句首2. 引导表语从句3. whether从句作介词宾语4. 从句后有"or not"Whether he will come is not clear.大部分连接词引导的主语从句都可以置于句末，用 it充当形式主语。
It is not important who will go. It is still unknown which team will win the match.名词性wh-从句名词性wh-从句1）由wh-词引导的名词从句叫做名词性wh-从句。
Wh-词包括who, whom,. whose, whoever, what, whatever, which, whichever等连接代词和where, when, how, why等连接副词。
Wh-从句的语法功能除了和that-从句一样外，还可充当介词宾语、宾语补语和间接宾语等，例如：主语： How the book will sell depends on its author. 书销售如何取决于作者本人。
直接宾语：In one's own home one can do what one likes. 在自己家里可以随心所欲。
间接宾语：The club will give whoever wins a prize. 俱乐部将给得胜者设奖。
表语： My question is who will take over president of the Foundation. 我的问题是谁将接任该基金会主席职位。
宾语补足语：She will name him whatever she wants to. 她高兴给他起什么名字就取什么名字。
同位语：I have no idea when he will return. 我不知道他什么时候回来。
形容词宾语：I'm not sure why she refused their invitation. 我尚不能肯定她为什么拒绝他们的邀请。
介词宾语：That depends on where we shall go. 那取决于我们去哪儿。
2）Wh-从句作主语也常用先行词it做形式主语，而将wh-从句置于句末，例如：It is not yet decided who will do that job. 还没决定谁做这项工作。
It remains unknown when they are going to get married. 他们何时结婚依然不明。
名词性that-从句名词性that-从句1）由从属连词that引导的从句叫做名词性that-从句。
that只起连接主句和从句的作用，在从句中不担任任何成分，本身也没有词义。
名词性that-从句在句中能充当主语、宾语、表语、同位语和形容词宾语，例如：主语：That he is still alive is sheer luck. 他还活着全靠运气。
宾语：John said that he was leaving for London on Wednesday. 约翰说他星期三要到伦敦去。
表语：The fact is that he has not been seen recently. 事实是近来谁也没有见过他。
同位语：The fact that he has not been seen recently disturbs everyone in his office.近来谁也没有见过他，这一事实令办公室所有的人不安。
形容词宾语：I am glad that you are satisfied with your job. 你对工作满意我感到很高兴。
2）That-从句作主语通常用it作先行词，而将that-从句置于句末，例如：It is quite clear that the whole project is doomed to failure. 很清楚，整个计划注定要失败。
It's a pity that you should have to leave. 你非走不可真是件憾事。
用it作形式主语的that-从句有以下四种不同的搭配关系：a. It + be +形容词+ that-从句It is necessary that…有必要……It is important that…重要的是……It is obvious that…很明显……b. It + be + -ed 分词+ that-从句It is believed that…人们相信……It is known to all that…从所周知……It has been decided that…已决定……c. It + be +名词+ that-从句It is common knowledge that………是常识It is a surprise that…令人惊奇的是……It is a fact that…事实是……d. It +不及物动词+ that-分句It appears that…似乎……It happens that…碰巧……It occurred to me that…我突然想起……否定转移1) 将think, believe, suppose, expect, fancy, imagine等动词后面宾语从句的否定词转移到主句中，即主句的谓语动词用否定式，而从句的谓语动词用肯定式。
I don't think I know you. 我想我并不认识你。
I don' t believe he will come. 我相信他不回来。
注意：若谓语动词为hope,宾语从句中的否定词不能转移。
I hope you weren't ill. 我想你没有生病吧。
2) 将seem, appear 等后的从句的否定转移到前面。
It doesn't seem that they know where to go.看来他们不知道往哪去。
It doesn't appear that we'll have a sunny day tomorrow. 看来我们明天不会碰上好天气。
定语从句定语从句（Attributive Clauses）在句中做定语，修饰一个名词或代词，被修饰的名词,词组或代词即先行词。
定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引出。
关系代词有：who, whom, whose, that, which等。
关系副词有：when, where, why等。
关系代词引导的定语从句关系代词引导的定语从句关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语等成分。
关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。
1）who, whom, that这些词代替的先行词是人的名词或代词，在从句中所起作用如下：Is he the man who/that wants to see you他就是你想见的人吗（who/that在从句中作主语）He is the man whom/ that I saw yesterday.他就是我昨天见的那个人。
（whom/that在从句中作宾语）2) Whose 用来指人或物，(只用作定语, 若指物，它还可以同of which互换), 例如：They rushed over to help the man whose car had broken down. 那人车坏了，大家都跑过去帮忙。
Please pass me the book whose (of which) cover is green.请递给我那本绿皮的书。
3)which, that它们所代替的先行词是事物的名词或代词，在从句中可作主语、宾语等，例如：A prosperity which / that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。
（which / that在句中作宾语）The package (which / that) you are carrying is about to come unwrapped. 你拿的包快散了。
(which / that在句中作宾语)关系副词引导的定语从句关系副词引导的定语从句关系副词可代替的先行词是时间、地点或理由的名词，在从句中作状语。
1）when, where, why关系副词when, where, why的含义相当于"介词+ which"结构，因此常常和"介词+ which"结构交替使用，例如：There are occasions when (on which) one must yield. 任何人都有不得不屈服的时候。
Beijing is the place where (in which) I was born. 北京是我的出生地。
Is this the reason why (for which) he refused our offers 这就是他拒绝我们帮助他的理由吗2）that代替关系副词that可以用于表示时间、地点、方式、理由的名词后取代when, where, why和"介词+ which"引导的定语从句，在口语中that常被省略，例如：His father died the year (that / when / in which) he was born. 他父亲在他出生那年逝世了。