英语语法之省略完美

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英语语法中的省略现象

英语语法中的省略现象

高中英语语法中的省略现象在英语语言中,为了使语言简洁明了,重点突出或上下文紧密相连,可以省去某些句子成分而保持句子愿意不变,这种语言现象称之为省略。

现就英语中的种种省略现象分析如下:一、并列复合句中的省略在并列句中后边的分句可以省略与前边分句中相同的成分。

如:a) The boy picked up a coin in the road and (the boy ) handed it to a policeman. 这个男孩在马路上拾起一枚硬币并把他交给了警察。

b) Your advice made me happy but(your advice made) Tom angry .你的建议使我高兴但使汤姆生气。

c) Tom must have been playing basketball and Mary (must have been)doing her homework. 汤姆肯定一直在打篮球,玛丽一直在写作业。

d) Gao Xiumin was born in 1959 and Fu Biao (was born) in 1963.高秀敏出生于1959年,傅彪出生于1963年。

二、主从复合句中的省略 1.状语从句中的省略一般说来省略现象多出现在下列五种状语从句中:由 when ,while ,as ,before, after , till, until, once等引导的时间状语从句;由whether ,if , unless 等引导的条件状语从句;由though , although ,even if ,whatever等引导的让步状语从句;由 as ,than 等引导的比较状语从句;由as, as if , as though 等引导的方式状语从句。

上述状语从句在省略时应遵循下面原则:1) 当状语从句的主语与主句的主语一致时,可以省略状语从句的主语和系动词be,这时从句中可出现如下结构:(1) 连词(as, as if , once)+ 名词; (2) 连词( though, whether , when)+形容词;(3) 连词(whether, as if ,while )+介词短语;(4) 连词(when , while , though )+ 现在分词; (5) 连词(when ,if ,even if ,unless ,once ,until, than , as ) + 过去分词; (6) 连词(as if ,as though ) + 不定式。

英语语法之省略完美课件

英语语法之省略完美课件
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3. 状语从句中的省略 (1) When (she was) asked, she didn't answer a word. (2) He likes dogs more than cats. (3) It is colder in Beijing than in Hunan.
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4. 名词性从句中的省略 规则1:引导宾语从句的连词that在口语中常常省略
(2)在can not but, can not choose but, can do nothing but…, can't help but…, prefer to do... rather than do…, would rather do…than…之后的动词不定式一 般不带to。
(3)在并列结构中为了避免重复,后一个to省略,如: I'm really puzzled what to think or say.
规则2:省略谓语 在某些特定的环境中,由于语言所指清楚,为了避免重复 ,常将谓语动词省略,留下主语和其他成分;如果谓语部 分全部省略,而只留下主语时,主语代词用宾格,如:(2) 。 — Jack would go to the Expo精n品ext week.
规则3:省略主语和谓语(或谓语的一部分) 在某些具体的场合下,主语和谓语都很明确,于 是为了简单或情感亲切等,可将主语和谓语同时 省略,只剩下表语、宾语、状语或其他成分,如 :(3) Another apple, please.
规则2:小品词to的省略 (1)在see, watch, hear, feel, observe, notice, look at, listen
to等感观动词及使役动词let, make, have 后的“宾语 + 动词不定式作宾语补足语”的结构中,不定式符 号to须省略,但这类结构变成被动语态时,其后的 不定式要还原加上to。 精品

英语语法19之省略

英语语法19之省略
I think (that) it will clear up this afternoon. [注]在that引导的宾语从句中,在下列情况下,that不能省略: ①在某些动词如agree,hold,learn,state,suggest,calculate,conceive(设 想),assume(假定),assert(宣称,断言),aver(断言)等后面,that不能省略。 举例:I agree with you that the contract should not be canceled ②that引导的宾语从句是复合句时,that一般不能省略。 举例:She also thought that if she spent money for a straw hat,Papa would not spend any money to buy a cowboy hat.
三、其他句型中的省略
1.“It be/I am等 + 名词或形容词(+从句)”结构中,重点在后面的内容,因此 前面主语和系动词常省略。 举例:(It is a) pity (that) you missed the film last night.
(It was) Lucy enough for me to have found the right way in the end. 2.主语补语或宾语补语中的to be往往省略。 举例:These instruments are thought (to be) very important.
All our cadres,whatever their rank (may be),are servants of the people. 6.虚拟语气中should或连词if的省略 举例:He ordered that everything (should) be ready before beginning the test.

英语语法省略句的使用3篇

英语语法省略句的使用3篇

英语语法省略句的使用3篇一份耕耘,一份收获,上苍从来不会忘记努力学习的人!尽量去考,因为天道酬勤。

大胆去考,没必要杞人忧天、患得患失,天生我才必有用!下面是小编给大家带来的英语语法省略句的使用,欢迎大家阅读参考,我们一起来看看吧!英语语法:英语中的省略在英语中,为了避免重复,句子中的某些部分经常省略,给考生的理解增加了困难。

现对省略现象总结如下:一、并列复合句中某些相同成分的省略。

1. This beeper works well,but that one doesnt (work well).这个寻呼机工作正常,但那个就不行。

2. All uranium atoms do not have the same atomic weight. Some of them weigh 234 units,some (of them) (weigh) 235 units,and some (of them) (weigh) 238 units.所有的铀原子并非都有相同的原子量。

其中有的重234,有的重235,而有的重238。

二、在when,while,if,as if,though(或although),as,until,once,wheth er,unless,where等连词连接的状语从句中,常省略跟主句相同的主语和be动词。

1. When (water is) pure,water is a colorless liquid.水纯净时,是无色的液体。

2. When (I am) in trouble I always turn to her for help.我困难时总是找她帮助。

3. Errors,if any,should be corrected.如果有什么错误,就应当改正。

(if后省略了there are)4. Wood gives much smoke while (wood is) burning.木头燃烧时,它放出很多烟。

英语语法 省略

英语语法 省略

语法:省略句
不依赖于上下文的省略。 All aboard! 请上船(= All go aboard.省略谓语) Haven't seen you for ages!(省略主语 I) What about having a game of chess?
语法:省略句
2.并列句中的省略 Sounds like a good idea. (=It sounds like a good idea. 省略主语) Everybody appears well prepared. (= Everybady appears to be well prepared. 省略不定式 to be) 并列句中如果前后分句有相同的部分,常常可以省略掉,以避免重 复。通常被省略的可以是主语、谓语、宾语或其他万分,或句子万 分的一部分。
省略主语和谓语的一部分 Brown speaks French as fluently as English. (as 后省略了 he speaks)省略表语部分 Mrs White is not so young as she looks.(looks 后省略了 young)
语法:省略句
省略主语和谓语的大部分,保留状语 He is working harder than before.(than 后省略了 he worked hard)
D. required
5. Much to his surprise, he invited only twenty friends to the dinner,
but ____A____ came.
A. twice as many as
B. as many as twice
C. twice as many

完整版高中英语语法省略句

完整版高中英语语法省略句

3介词but前若有动词do,后面的不定式不带to。-The boy did nothing but pla .-4主语从句中有动词do,后面作表语的不定式的to可带可-不带。-All we can do now i towait.-也●●00●。鲁◆-●●●●意语参带0
【高考链接】-1.20l4福建高考The climate here is quite pleasant,. he-temperature rarely,-reaching 30 Cin summer.-A.if n t-B.if ever-C.if any-D.if so-解析】选B。三-考查状语从句的省略。句意:这儿气 宜人,-如果曾经有过(高温)的话,夏天温度也很少达到30摄氏度。f-ever意为"如果曾经有过或即使有过的 ”,其作用是缓和-语气。if not如果不是这样的话;if any如果有一些的话;ifso-如果是这样的话
3.在对话或并列句中,如果主语、谓语不同,而宾语相同,-则常省去相同的宾语部分。-Tom enjoys d ncing,but Peter hates dancing-0●●09●00套-●色●●意语参●0
4.省略作宾语的不定式短语,只保留0,但如果该宾语是-动词be或完成时态,则须在之后加上be或have。Are you going there?--Yes,I'd like to go there.-注意:在下 词后常省略不定式但要保留to:want,wish,-like,hate,hope,intend,plan, ove,refuse,expect,-want和ike用于从句中时,to常常省略。-●●0●●●●-●●● 培
复合句中的省略-1.复合句中的省略现象常见于从句中,主句中的省略通常出-现在句首。-Hope you wi l have a good journey.-2.有时整个主句都可省略,这种省略通常出现在简短答语-中。Are you going to buy the house?--Unless my wife ob.je ts.-位●●●●培●●0

英语语法大全之省略 1

英语语法大全之省略 1

省略Ⅰ.为避免重复而作的省略当一个句子中有两个或更多相同的词出现时,其中一个必须保留,另外的则最好省略,以避免重复,使句子简练。

需省略的词通常出现在复合句、复杂句及复合短语中。

在大多数情况下,它都出现在需要保留的词后面,偶尔也出现在它的前面。

在下面例句中,需保留的词印作斜体,而需省略的词都放在括号中,如果放在需保留的词的前面,则需省略的词印作黑体。

句子中有各种成分可以省略,可以是S(主语),Aux(助动词),V(主要动词),O(宾语),C(补语)或其他成分:a.复合句中的省略:—S省略:I arrived here today,and(I)must stay here one or two weeks.He came up,(he)sat down,and(he)stared at me.The upper(shelf)and the lower shelf are full of books.—Aux省略:Ted will be leaving this morning,and Liz(will be)coming this evening.I have got up,and my wife(has)prepared our break-fast.(正确,有两个不同的主语。

)I have go up and I(have)taken breakfast.(错句,有两个相同的主语。

)I have got up and(I have)taken breakfast.(正确,主语和助动词一起省略。

)—V省略:The loser is sad,but the winner(is)happy.He studies math,but his brother(studies)dancing.Character lives in a man,and reputation(lives)outside of him.Some die of hunger,others(die)of eating too much.1A large number of people come to look around,but very few(come)to buy.You must work,but needn't(work)on Sunday.(有助动词)“Has the show started?”“It may have(started).”She can(dance),but you won't dance.=She can dance,but you won't (dance).—S和Aux省略:He will come,and(he will)play at cards with me.Tom is giving up smoking,and(Tom is)taking exer-cise every morning.—Aux和V省略:I will give Mary a doll,and aunt(will give)Jane a book.I have ordered my men to wait for action,and JimmyLee(has ordered)his to blow up the bridge.I must go and you(must go)too.—V和O省略:He teaches me Thai and She(teaches me)Malay.I asked Rex to go,but she(asked Rex)to stay.You like this blue dress?My wife(likes this blue dress)too.(如宾语后不跟别的词应该加too)—单独的O不能省略:I treat Jan well,but he treats(Jan)better.(错句,像Jan这样一个单独的宾语不能省略,应该用her代替。

高中英语语法精讲——省略句

高中英语语法精讲——省略句

省略句定义:省略是一种修辞手段,省略的使用是为了避免重复。

同时,不损害句子结构,不会引起歧义。

一.功能词的省略1.冠词的省略1)两个并列名词前面都有冠词时,第二个名词前的冠词常可以被省略。

Can we have a medical examination at home without a doctor or (a) nurse?家里没有医生或护士我们能进行医疗检查吗?注意:有些句子如果省略了第二个冠词,会误认为指同一个人,省略时应注意。

They are the gardener and the gatekeeper.他们一个是花园园丁,一个是门卫。

2)表示头衔、职位,而不是这个职业所具体指的那个人时,常省略冠词。

Mary, head of our team, was determined to give up this game.我们的队长玛丽决定放弃这一局比赛。

2.介词的省略1)yesterday afternoon/evening/morning, Sunday, Saturday等时间名词前的介词常省略。

She started work (on) last Monday.她从上个星期一开始工作。

2)for引导的表示一段时间的名词短语,一般for可以省略。

I stayed in Washington (for) four years.我在华盛顿待了四年。

注意:在句首或在否定句中时,“for+一段时间”的短语中不能省略for.I haven't heard from him for a long time.我很长时间没有收到他的来信了。

For a whole year, I was helping my dad on the farm.一整年我都在农场帮我爸爸。

3)of与age, size, color, height, material, shape等表示大小、长短、颜色、年龄、形状、高度等的名词连用时,常被省略。

英语语法---省略

英语语法---省略

省略1简单句中的省略2并列句中的省略3复合句中的省略4其他的省略情况1.省略主语2.省略宾语3.省略主语和谓语(或谓语的一部分)1.动词不定式的省略2.某些使役动词,如:m a k e,le t,h a v e等和感官动词,如:see,w a t c h,no ti ce,o b ser v e,h ear等后⾯作宾补的不定式须省略t o,但若这些动词⽤于被动语态,则t o不省略。

3.并列的不定式可以省略后⾯的不定式符号t o。

但若两个不定式之间表⽰对⽐关系时,不能省略t o。

4.当不定式在某些动词后作宾语时,常可省略。

常⻅的动词有agree,a ff or d,e xp ec t,f orge t,h o p e,k no w,m anage,p re t en d,re m e mb er,re f use,w an t,wi s h,w oul d l ik e等。

5.介词b u t,e x ce pt (除了) 前有实义动词d o的某种形式时,后⾯的不定式不带t o。

6.当不定式作某些复合谓语时,如b e go i ng t o,b e a b le t o,h a v e t o,oug ht t o,use d t o等,可只保留不定式符号t o。

7.使⽤so,no t等时的省略8.介词的省略(Y ou co m e) Thi s w a y,p lease. 请这边⾛。

(省略了主语和谓语) (Ha v e y ou) G o t an y i n k? 你有墨⽔吗?(省略了主语和谓语的一部分)常⻅的结构有: (1)h a v e diffi cul ty/t rou b le (i n) d o i ng s th. (2)b e b us y (i n) d o i ng s th. (3)s p en d so m e tim e (i n) d o i ng s th. (4)s t o p/p re v en t s b. (f ro m) d o i ng s th. Th e h ea vy ra i n p re v en t e d him (f ro m) arr ivi ng th ere on tim e.—Can y ou fi n i s h y our w or k t o d a y? —I thi n k so./I d on’t thi n k so./I thi n k no t. ——你今天能完成⼯作吗? ——我认为能。

英语省略句语法

英语省略句语法

英语省略句语法省略I.要点有时为了避免重复,使语言简练紧凑,在不损害结构或引起误解的原则下,往往省去一个或多个句子成分或词语。

1、固定习惯用词。

如:No smoking! Thanks s lot!等。

2. 简单句中的省略(1)口语中,一、二、三人称的主语,有时还包括谓语都可以省略。

如:(It is)Nice to see you!(This is) Li Ming speaking.(2)所有格后的名词如为住宅、商店、工矿、教堂等可以省略。

如:I'm going to visit Tom's (house).I met him at the tailor's (shop).(3)两个或两个以上的动词不定式并列在一起时,第一个不定式带to,后面的不定式可省to.如: His job is to clean and mend the machine.(4)主(宾)语补足语中的to be常省略。

He was considered (to be) the best student in the class.(5)There be结构中there be可同时省略,或只省略there.如:(Is there) Anything wrong?(6)表示年龄的years old, 表示钟点的o'clock, minute等常省略。

如:What time is it now? It's ten (o'clock).3从句中的省略(1)宾语从句,以which, when, where, how和why引起的宾语从句谓语与主句谓语如相同,可省略从句中全部谓语,甚至主语也可省略,仅保留wh-一词。

如:He will come, but we don't know when (he will come).He didn't come, I wondered why (he didn't come).(2)定语从句中可省略作宾语的关系代词,如:The man (whom) I saw in the street the other day is my teacher.(3)状语从句,在时间、地点、让步、方式、条件状语从句中,从句主语与主句主语一致,或从句主语是it,则be动词及其主语常可省略。

高中英语语法_省略

高中英语语法_省略

高中英语语法_省略高中英语语法:省略现象解析在英语语法中,省略是一种常见的语言现象。

它指的是在某些语境中,一些语言成分可以省略,而不会影响句子的完整性和理解。

省略现象主要出现在句子、从句或介词短语中。

本文将通过分析省略现象,帮助高中生更好地掌握英语语法。

一、句子的省略在英语中,省略句子成分是很常见的。

以下是一些常见的省略句子成分的情况:1、省略主语在某些情况下,句子可以省略主语,而不会影响句子的意思。

例如:(1)Sorry, I can't come. (我无法来。

)(2)Open the door, please. (请开门。

)2、省略谓语在一些简单句或祈使句中,谓语动词经常被省略。

例如:(1)Wash your hands before meals. (饭前要洗手。

)(2)Pick up the book on the floor. (把地上的书捡起来。

)3、省略宾语在一些简单句中,宾语可以省略。

例如:(1)She wants to buy a new dress. (她想买个新裙子。

)(2)I like eating fruits. (我喜欢吃水果。

)二、从句的省略在英语中,从句的省略现象也很常见。

以下是一些常见的从句省略情况:1、省略主语和谓语在定语从句中,如果主语和谓语与先行词一致,可以省略它们。

例如:(1)The man who is standing under the tree is my brother. (站在树下的那个男人是我的哥哥。

)(2)The book that you lent me is very interesting. (你借给我的那本书很有趣。

)2、省略作主语的代词和be动词在由that引导的定语从句中,作主语的代词和be动词通常可以省略。

例如:(1)The child (that) I taught is now a doctor. (我教过的那个孩子现在是一名医生。

省略句的常见形式与解析

省略句的常见形式与解析

省略句的常见形式与解析在英语语法中,省略句是指在句子中省略掉某些成分,但仍能通过上下文来理解其完整的意思。

省略句的使用可以简化句子结构,增加语言的流畅性和简洁性。

本文将介绍省略句的常见形式以及相应的解析方法。

一、主语省略句在一些情况下,句子的主语可以被省略。

通常情况下,主语可以通过上下文中的其他信息来推断出来。

例1:(完整句) Tom is playing basketball.(省略句) Playing basketball.解析:由于上文提到Tom正在打篮球,所以在这个省略句中可以省略掉主语,仅保留动词"playing"来表达完整的意思。

例2:(完整句) She sings beautifully.(省略句) Sings beautifully.解析:由于上文提到的人称代词"She"已经明确了主语,所以在这个省略句中可以省略掉具体的主语。

二、谓语省略句在一些情况下,句子的谓语可以被省略。

这种省略形式多见于短语或句型中,通过上下文就可以理解其意思。

例1:(完整句) He can play the guitar, but I can't.(省略句) He can play the guitar, but I can't play (the guitar).解析:在这个省略句中,通过上文提到的主题"play the guitar",可以省略掉谓语"Not",而保留上文中的句意。

例2:(完整句) John lives in New York, and Mary in Los Angeles.(省略句) John lives in New York, and Mary in Los Angeles.解析:在这个省略句中,由于谓语"lives"已经在上文中出现过,因此可以省略掉后面的谓语,仅根据上下文理解出Mary的具体情况。

(完整版)英语中省略句的用法与讲解

(完整版)英语中省略句的用法与讲解

省略句(elliptical sentences)定义:省略句是英语的一种习惯用法。

按照语法的分析,句子应该具备的成分,有时出于修辞上的需要,为了避免重复、突出新信息使上下文紧密连接的修辞手段。

省略的部分:单词、短语、分句,都可以省略,而且各有一定的衔接关系,不容臆断一、哪些部分可以省略(一)省略单词1、省略介词He spent four hours (in) going over his lessons. 他花了四个小时复习功课。

I ' ve studied Eng1ish (for) five years. 我已学五年英语了。

2、省略连词I believe (that) you will succeed .我相信你们会成功的。

It ' s a pity (that) he ' s leaving. 他要走,真遗憾。

I ' m sure (that) she will help you. 我肯定她会帮你的。

3、省略关系代词I ' ll give you all (that) I have. 我要把我所有的一切都给你。

He read the book (which) I got yesterday. 他看过我昨天买的书了。

二、省略句子成分1、省略主语Beg your pardon. (我)请你原谅。

(Beg 前省略了主语I )Take care! 当心!(Take 前省略了主语you )Looks as if it will rain. 看起来象要下雨。

(Looks 前省略了主语it )2、省略谓语Who next? 该谁了?(Who 后面省略了谓语comes )The river was deep and the ice thin. (ice 后面省略了was )We ' ll do the best we can. 我们将尽力而为。

(can 后面省略了动词do )3、省略表语Are you ready? Yes, I am. 你准备好了吗?我准备好了。

英语之省略法

英语之省略法

省略法一、从语法角度来看:1. He was thin and haggard and he looked miserable.他消瘦而憔悴,(……)看上去一副可怜相。

2. Everywhere you can find new types of men and objects in New China.新中国(……)处处可以看到新人、新事物。

3. The more he tried to hide his warts, the more he revealed them.他越是要遮掩他的烂疮疤,就越是会暴露(……)。

4. He shrugged his shoulders, shook his head, cast up his eyes, but said nothing. 他耸耸(……)肩,摇摇(……)头,(……)两眼看天,一句话不说。

5. Outside it was pitch dark and it was raining cats and dogs.外面一团漆黑,大雨倾盆。

6. It was only then that I began to have doubts whether my story would ever be told.只是在这个时候,我才开始怀疑,我的经历究竟能不能公诸于众呢!7. Despite the privation, and the mounting toll of dead and wounded, however, morale remained intact, and people still smile in the street.尽管供应不足,伤亡增加,然而士气并未受到影响。

街上,人们照常脸有笑容。

8. We knew spring was coming because we had seen a robin.我们看见了一只知更鸟,知道春天快要到了。

高考英语语法之省略知识精讲讲义

高考英语语法之省略知识精讲讲义

二十五、省略知识精讲为了避免重复,或为了使句子更简练,在一些句子中常常省去某些成分,这在英语中叫做省略。

一、在and连接的句子中,为避免重复常省略相同的部分(主语等)She set out soon after dark and arrived home an hour later.二、状语从句中的省略1.在while, when, whenever, till, as soon as, if, unless, as if,as, whether 等引导的状语从句中,若谓语动词有be,而主语又与主句的主语相同或主语是it时,常省略从句的主语和be,成为“连词+非谓语动词/形容词”形式作状语。

Errors, if (there are) any, should be corrected.如果有错误,就应该改正2.在as,than,however, whatever, no matter what等引导的从句中常省略某些成分the speaks English better than anyone else(speaks)in the class.她英语讲得比班上其他人3.虚拟语气条件句中常省略if将were.should,had提到主语前构成倒装语序三、定语从句中的省略.1.在限制性定语从句中,作宾语用的that,which,whom 可省略,在the same...as 和such.. as 引出的某些定语从句中可省略与主句相同的部分I don't like such a book as this (is).我不喜欢这样的一本书.定语从句中、“关系代词作主语+系动词be”可以省略,成为现在分词短语(表主动)或过去分词短语(表被动)作后置定语The goods (which were) ordered last month haven't arrived yet. 上个月订购的货物还未到I know the boy (who is) sleeping there.四、名词性从句的省略在know,think, consider, suppose, find, believe, say, decide 等动词后面接的宾语从句中,连词that可省略,若带有多个宾语从句,只能省第一个that,其余的不能省。

英语语法——省略句Ellipsis

英语语法——省略句Ellipsis

A .not to do B. not to
C. not do
D. do not
2. I could do anything but ___to him that I was wrong.
A. admit B. admitted
C. admitting D. to admit
3. She is no longer the girl she _______.
3) 介词but前若有动词do, 后面的不定式不带 to. The boy did nothing but play. I have no choice but to study hard for the future.
不定式to的省略
2.省略不定式符号to
4) 某些使役动词(let, make, have) 及感官动词(see, watch, hear, notice, observe, feel, look at, listen to等)后面作宾语 补足语的不定式一定要省去 to, 但在被动语态中须将to 还原。
2. They do not visit their parents as much as they ought to (visit their parents).
不定式to后省 略动词
不定式to的省略
1. 保留不定式符号to
①在 want, like, love, prefer wish expect,, hope, forget, refuse, seem, intend, mean, try等后面。 如: I asked him to see the film, but he didn’t want to. ②(3)在--h-Aavree,ynoeueda,toeuagchhet,rb?e going, used等后面。

高中英语语法——省略(53张PPT)

高中英语语法——省略(53张PPT)

You arrived earlier than necessary.
it was
Puccini wrote Turandot and (he also wrote) Madam Butterfly.
We can use ellipsis in two parts with the same pattern and the same verb.
Circle the words you could cross out (勾掉,划掉)and read again
and you will find that the
language would be more concise (简洁的).
Answers A Jane: How did you feel taking part in Turandot? Singer: It was a real opportunity for me to be cast. It had always been one of my strongest desires to have a part in Turandot. Jane: How were you hired for the job? Singer: Well, I’m a musical performer, but there was a short period when I was not working, and was just collecting unemployment benefits. One day, I saw a poster put up by the production company’s Personnel Department, saying they were looking for singers.

高中英语语法之省略

高中英语语法之省略

高中英语语法之省略英语中省略现象较为普遍,对省略的考查已成为高考中的热点。

句子成分的省略,可分为以下几种情况:为了使话说得简明扼要,英语句子中某个单词、短语甚至从句或主句都能够省去。

Ⅰ、状语从句中的省略用法一、如果从句的主语和主句的主语一致,且从句的谓语含有be动词的某种形式(am/is/are/was/were),可同时省略从句的主语和be动词的某种形式。

1、when,while引导的时间状语从句e.g. Do be careful when (you are) crossing the street.When/While (I was) on my way to work, I met her.2、if,unless,once引导的条件状语从句e.g. If (it is) properly treated, waste will do no harm to the environment.I’ll not go to the party unless (I am) invited.Once (you are) caught stealing in a supermarket, you will be punished.3、though,although,whether,no matter whether/what/how/who等引导的让步状语从句e.g. He was happy, though/although (he was) poor.Whether (she is) sick or well, she is always cheerful.No matter how/However hard the task (is), we must fulfill it in time.(注:从句的主语和主句的主语不一致时,只省略从句中的be动词形式)4、as if,as though引导的方式状语从句e.g. He rubbed his eyes and yawned as if/though (he was) waking up after along sleep.He stood up as if/though (he wanted) to leave.(as if/though + to do表示一个将来的动作)二、than,as引导的比较状语从句中的省略用法:当不同的主语实行比较时,一般省略从句中的谓语;当从句中的主语与谓语(be动词除外)和主句中的主语与谓语相同时,通常省略从句中的主语和谓语,只保留比较部分。

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