高中英語語法大全歸納總結(jié)資料講解

1、高中英語語法大全歸納總結(jié)高中英語語法權(quán)威解析目錄 :第 01 章 名詞性從句第02章It”用法及其句型和固定搭配講解第 03 章 高中英語語法中的省略現(xiàn)象第 04 章 主謂一致第 05 章 動(dòng)詞不定式第 06 章 倒裝結(jié)構(gòu)第 07 章 定語從句第 08 章 被動(dòng)語態(tài)第 09 章 祈使句第 10 章 感嘆句第 11 章疑問句第 12 章 名詞第一章 名詞性從句在句子中起名詞作用的句子叫名詞性從句 (Noun Clauses)。名詞性從句的功能相當(dāng)于名詞詞組, 它在復(fù)合句中能擔(dān)任主語、賓語、表語、同位語、介詞賓語等，因此根據(jù)它在句中不同的語法功能，名詞從句又可分別稱為主語從句、賓語從句、表語從句和

2、同位語從句。主語從句主語從句是在復(fù)合句中充當(dāng)主語的從句，通常放在主句謂語動(dòng)詞之前或由形式主語 it 代替，而本身放在句子末尾。It 作形式主語和 it 引導(dǎo)強(qiáng)調(diào)句的比較It 作形式主語代替主語從句，主要是為了平衡句子結(jié)構(gòu)，主語從句的連接詞沒有變化。而it 引導(dǎo)的強(qiáng)調(diào)句則是對(duì)句子某一部分進(jìn)行強(qiáng)調(diào)，無論強(qiáng)調(diào)的是什么成分，都可用連詞that。被強(qiáng)調(diào)部分指人時(shí)也可用 who/whom。例如：It is a pity that you didn t go to see the film. 你不去看那場(chǎng)電影真可惜。It doesn t interest me whether you succeed or

3、not. 我對(duì)你成功與否不感興趣。It is in the morning that the murder took place. 謀殺案是在早上發(fā)生的。(強(qiáng)調(diào)句型)It is John that broke the window.是 John打碎的窗戶。(強(qiáng)調(diào)句型)用 it 作形式主語的結(jié)構(gòu)It is 名詞 從句It is a fact that 事實(shí)是It is an honor that非常榮幸It is common knowledge that 是常識(shí)It is 形容詞 從句It is natural that很自然It is strange tha t奇怪的是It is 不及物動(dòng)詞

4、 從句It seems that似乎It happened that碰巧It appears that彳以乎It 過去分詞 從句It is reported that 據(jù)報(bào)道It has been proved that已證實(shí)It is said that據(jù)說主語從句不可位于句首的五種情況：if 引導(dǎo)的主語從句不可居于復(fù)合句句首。It is said/reported 結(jié)構(gòu)中的主語從何不可提前。例如：正確表達(dá)：It is said that President Jiang will visit our school next week.錯(cuò)誤表達(dá)：That President Jiang wil

5、l visit our school next week is said.It happens/occurs結(jié)構(gòu)中的主語從何不可提前。例如：正確表達(dá)： It occurred to him that he failed in the examination.錯(cuò)誤表達(dá)： That he failed in the examination occurred to him.It doesnt matter how/whether結(jié)構(gòu)中的主語從何不可提前。例如：正確表達(dá)： It doesn t matter whether he is wrong or not.錯(cuò)誤表達(dá)： Whether he is

6、wrong or not doesn t matter.5)含主語從句的復(fù)合句是疑問句時(shí)，主語從句不可提前。例如：正確表達(dá)： Is it likely that it will rain in the evening?錯(cuò)誤表達(dá)： Is that will rain in the evening likely?what與that在引導(dǎo)主語從何時(shí)的區(qū)別what 引導(dǎo)主語從句時(shí)在句時(shí)在從句中充當(dāng)句子成分，如主語賓語表語，而 that 則不然。例如：What you said yesterday is right.That she is still alive is a consolation二賓語從

7、句賓語從句就是在復(fù)合句中作賓語的名詞性從句，通常放在主句謂語動(dòng)詞(及物動(dòng)詞)或介詞之后。作動(dòng)詞的賓語(1)由that引導(dǎo)的賓語從句(that通?？梢允÷?,例如：I heard that be joined the army 我聽說他參軍了。由 what, whether (if) 引導(dǎo)的賓語從句，例如：She did not know what had happened. 她不知道發(fā)生了什么。I wonder whether you can change this note for me. 我想知道你是否能幫我改一下筆記。動(dòng)詞間接賓語賓語從句。例如：She told me that she

8、would accept my invitation. 她對(duì)我說她會(huì)接受我的邀請(qǐng)。作介詞的賓語，例如：Our success depends upon how well we can cooperate with one anothe戒們的成功取決于我們之間的合作。6. 不可用 that 從句作直接賓語的動(dòng)詞作形容詞的賓語，例如：I am afraid (that) I ve made a mistake. 我恐怕我已經(jīng)犯了一個(gè)錯(cuò)誤。注意： that 引導(dǎo)的從句常跟在下列形容詞后作賓語： anxious, aware, certain, confident, convinced, determ

9、ined, glad, proud, surprised, worried, sorry, thankful, ashamed, disappointed, annoyed, pleased, hurt, satisfied, content。 也可以斗等止匕類詞后的 that 從句的看作原因狀語從句。it 可以作為形式賓語it 不僅可以作為形式主語，還可以作為形式賓語而真正的賓語that 從句則放在句尾，特別是在帶復(fù)合賓語的句子中。 例如：We heard it that she would get married next month 我聽說她下個(gè)朋就會(huì)結(jié)蠟了。后邊不能直接跟 that 從

10、句的動(dòng)詞這類動(dòng)詞有allow, refuse, let, like, cause, force, admire, condemn, celebrate,dislike, love, help, take, forgive等。這類詞后可以用不定式或動(dòng)名詞作賓語，但不可以用 that 引導(dǎo)的賓語從句。如：正確表達(dá)： I admire their winning the match.錯(cuò)誤表達(dá)： I admire that they won the match.有些動(dòng)詞不可用于“動(dòng)詞+間接賓語+ that從句”結(jié)構(gòu)中，常見的有envy, order, accuse, refuse, impress,

11、forgive, blame, denounce, advise, congratulate 例 如：正確表達(dá)：He impressed the manager as an honest man.錯(cuò)誤表達(dá)：He impressed the manager that he was an honest man.否定的轉(zhuǎn)移若主句謂語動(dòng)詞為 think, consider, suppose, believe, expect, fancy, guess, imagine等，其后的賓語從何若含有否定意義，一般要把否定詞轉(zhuǎn)移到主句謂語 上，從句謂語用肯定式。例如：I don t think this dre

12、ss fits you well. 我認(rèn)為這件衣服不適合你穿。三 . 表語從句表語從句在復(fù)合句中作表語的名詞性從句，放在系動(dòng)詞之后，一般結(jié)構(gòu)是“主語連系動(dòng)詞表語從句”?？梢越颖碚Z從句的連系動(dòng)詞有 be, look, remain, seem等。引導(dǎo)表語從句的that?？墒÷?。另外，常用的還有the reason is that和It is becaus巡結(jié)構(gòu)。例如：The question is whether we can make good preparation in such a short time.This is why we can t get the support of th

13、e people.But the fact remains that we are behind the other classes.The reason he is late for school is that he missed the early bus.四. 同位語從句同位語從句就是在復(fù)合句中作名詞的同位語的名詞性從句。同位語從句的功能的。）（同位語從句， that 在句中不作任何成分）同位語從句對(duì)于名詞進(jìn)一步解釋，說明名詞的具體內(nèi)容，一般由 that 引導(dǎo)，例如：The king s decision that the prisoner would be set free surp

14、rised all the people.The order that all the soldiers should stay still is given by the general.同位語在句子中的位置同位語從句有時(shí)可以不緊跟在它所說明的名詞后面，而是被別的詞隔開。例如：He got the news from Mary that the sports meeting was put off.同位語從句與定語從句的區(qū)別定語從句中的 that 既代替先行詞，同時(shí)以在從句中作某個(gè)成分（主語或賓語），而同位語從句中的that是連詞，只起連接主句與從句的作用，不充當(dāng)句中任何成分。定語從句是形容

15、詞性的，其功能是修飾先行詞，對(duì)先行詞加以限定，描述定的性質(zhì)或特征；同位語從句是名詞性的，其功能是對(duì)名詞進(jìn)行補(bǔ)充說明。例如：1） The news that he told me is that Tom would go abroad next yea r.他告訴我的消息是湯姆明年將出國(guó)。）（第一個(gè)that引導(dǎo)的從何是定語從句，that在從句中作賓語）2）The news that Tom would go abroad is told by him.（湯姆將出國(guó)的消息是他講高一英語名詞性從句專項(xiàng)練習(xí)he does has nothing to do with me.A. whatever B.

16、 No matter what C. That D. IfThe manager came over and asked the customer howA. did the quarrel came about B .the quarrel had come aboutC. had the quarrel come about D. had the quarrel come aboutEnergy is makes thing work.A. what B. something C. anything D. thatInformation has been put forward more

17、middle school graduates will beadmitted into universities.A. while B. that C. when D. asThis is _the Shenzhou V Spaceship landed.A. there B. in which C. where D. whenThey have no idea at all.A. where he has gone B. where did he goC. which place has he gone D. where has he goneThe doctor did a lot to

18、 reduce the patient s fear he would die of the disease.A. that B. which C. of which D. of thatThe order came _the soldiers the small village the next morning.A. that ;had to leave B. that; should leaveC. /; must leave D. when; should leave_is no possibility Bob can win the first prize in the match.A

19、. There; that B. It; that C. there; whether D. It; whetherThe question came up at the meetingwe had enough money for our research.A. that B. which C. whether D. ifIs he said really true?A. that B. what C. why D. whetherthe meeting should last two days or three days doesn t matter.A. That B. Whether

20、C. If D. WhereIt worried her a bit her hair was turning gray.A. while B. if C. that D. for?more countries can use natural energy in the future remains to be seen.A. Whether B. This C. who D. Ifhe will go to work in a mountain village surprises all of us.A. What B. That C. Whether D. Ifyou don etlhik

21、im is none of my business.A. What B. That C. Who D. Howall the inventions have in common is they have succeeded.A. What; what B. That; that C. what; that D. That ; whatappeared to me that he enjoyed the food very much.A. What B. It C. All that D. ThatIt is widely that smoking can cause cancer.A. bel

22、ieved B. think C. say D. hopedcaused the accident is still a complete mystery.A. What B. That C. How D. WhereKeys:5 ABABC 6 10 AABAC 11 15 BBCAB 16 20 BCBAA第二章It”用法及其句型和固定搭配講解It 用法及其句型和固定搭配，是高中英語語法的重點(diǎn)、難點(diǎn)，又是近幾年高考的熱點(diǎn)，因此應(yīng)給予充分的重視，現(xiàn)將it 用法歸納如下：It 用作實(shí)詞表達(dá)以下概念：指代前文提到的事物，前文中的this, that;替代前文中的內(nèi)容；指代一位性別不明的小孩或未知

23、的人；指代未指明但談話雙方都知道的那件事；指代時(shí)間、天氣、氣候、距離等自然現(xiàn)象It 用作形式主語替代作主語的從句、動(dòng)詞不定式、動(dòng)名詞，而把真正作主語的從句、動(dòng)詞不定式、動(dòng)名詞置于句尾。It 作形式主語的常見句型：.代作主語的動(dòng)詞不定式，其句型為It be adj. (for sb.) to do sth.此處 adj. 通常為描述事件的形容詞： easy, difficult, hard, necessary,unnecessary, possible, impossible, likely, unlikely, right, wrong, important, unimportant, le

24、gal, illegal, well-mannered, ill-mannered, polite, impolite, clear, obvious, certain, suitable, properfit, useful, useless, dangerous例 It is illegal (for a teenager) to drive a car without a license.It be adj. of sb. to do sth.此處 adj. 通常為描述人的形容詞： kind, unkind, nice, rude, cruel, considerate, thought

25、ful, thoughtless, careful, careless, silly, foolish, stupid, clever, wise, crazy.例 Its kind of you to help me with the problem.It替代作主語的動(dòng)名詞的常見句型 TOC o 1-5 h z Its no good/use doingIts (well)worth doingIts (well)worth ones while doing/to doIts (well)worth while doing/ to do例 Its no use crying over spi

26、lt milk. It 替代作主語的從句常見句型It is + noun +從句例 It is no secret that the president wants to have a second term at office.It is adj. +clauseIts surprising that- - (should)竟然Its a pity/shame tha t-(should)竟然例 Its important that you should apologize to her for your rudeness.(=Its of much importance that you

27、should apologize to her for your rudeness.)It verb sb. + clause= It is v-ing + clauseIt+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze /bother/concern/frighten/please/anger sb. that例 It worried me that she drove so fast.(= It was worrying that she drove so fast.)It verb (to sb.) that

28、 =sb/sth verb to do (verb = appear, seem, come about, emerge, follow, chance, happen, occur, transpire, turn out , work out)例 It (so) happened/chanced that they were out.(= They happened/chanced to beout.)It is v-ed that =sb/sth is to do (verb=say, report, think, believe, hope, expect, agree, accept

29、, decide, determine,intend, plan, understand, know)例 It is said that the couple have gotten divorced.(=The couple are said to have gotten divorced.)It is v-ed that (should) (verb=demand, request, require, order, suggest, advise, recommend例 It is suggested that they should begin with the third questi

30、on.It 作主語的句型It takes sb.to do- (=sb takes to do)某人用多長(zhǎng)時(shí)間做某事例 It took the men a week to mend our roof.(= The men took a week to mend our roof.)Its (just)(un)like sb. to do(不)像某人做某事的風(fēng)格例 It was (just) like him to think of helping us.Its (about/high) time thalshould /v-ed 是該做某事的時(shí)候了例 Its(about/high) time

31、that we should take action.Its the x-th time (that)have v-ed 第幾次做某事了例 Its the third time that he has failed the driving test.It is/has been- since - continuous v-ed您續(xù)性動(dòng)詞)某動(dòng)作已有多長(zhǎng)時(shí)間不發(fā)生了例 Its 10 years that he lived hereIt was(not)before過(不)了多長(zhǎng)時(shí)間某動(dòng)作發(fā)生了例 It was not long before they arrived.It 作形式賓語用來替代作賓

32、語的從句、動(dòng)詞不定式、動(dòng)名詞，而把真正作賓語的從句、動(dòng)詞不定式、動(dòng)名詞置于句尾。It 作形式賓語的常見句型：verb+ it+ adj./noun (for/of) to do/clause (verb=think, believe, suppose, consider, feel, make, keep )例 I think it hard for you to do the task on your own./I think it hard that youll dothe task on your own.verb+it+adj./noun (ones) doing (adj.=usel

33、ess/worth/worthwhile)(noun=no use/no good/worth ones while/a waste of time/money/energy/words) (verb=think, believe, suppose, consider, feel, make, keep)例 Ill make it worth your while telling me about his secret.verb+it+ important/unimportant/necessary/unnecessary/natural/essential that (should)verb

34、+it+of much/great/no/little importance that(should) (verb=think, believe, suppose, consider, feel, make, keep)例 I think it important that you (should) attendthe conference.verb + it+ as+ noun/adj.+ clause (verb=accept, regard, take, see, view)例 The lecturer takes it as encouraging when so many stude

35、nts attend his lecture.v. +it + prep. + that owe it to sb. that 把歸功于leave it to sb that 把留給某人去做take it for granted that 想當(dāng)然keep it in mind that 例 Dont bother to arrange anything. Just leave it to me to sort out.It 用在不能直接跟賓語從句的動(dòng)詞后面，尤其是表示好惡的動(dòng)詞后，enjoy, like, love, dislike, resent, hate, dont mind, be f

36、ond of, feel like, see to 賓語從句緊跟 it 之后例 I hate it you can swim so well and I cant.It用在不能直接跟賓語從句的介詞后面，賓語從句緊跟 it之后(exceptthat例外)例 Im for it that you will follow their advice.五、強(qiáng)調(diào)句型It is/was+被強(qiáng)調(diào)部分+ that(who)強(qiáng)調(diào)句型用來強(qiáng)調(diào)謂語動(dòng)詞以外的任何句子成分。當(dāng)被強(qiáng)調(diào)部分是人時(shí)也可以用 who。在使用強(qiáng)調(diào)句強(qiáng)時(shí)需注意以下幾點(diǎn)：.請(qǐng)注意強(qiáng)調(diào)句強(qiáng)的特殊疑問句例 When was it that he chan

37、ged his mind to take part in the activit？y.在強(qiáng)調(diào)原因狀語從何時(shí)，只能強(qiáng)調(diào)由becaus薪引導(dǎo)的從旬例 It was because he was ill that he didnt come to school yesterday.在強(qiáng)調(diào)notuntil結(jié)構(gòu)時(shí)必須把not與until 一起放到被強(qiáng)調(diào)的位置上例 It was not until she took off her dark glasses that I realized she was my brother. 注意強(qiáng)調(diào)句強(qiáng)與定語從句的區(qū)別例 It was at 7 oclock that

38、 he came here yesterday強(qiáng)調(diào)句型)It was 7 oclock when he came here yesterday.(語從句)六、 It 常用的固定搭配make it.在口語當(dāng)中相當(dāng)于succeed：成功、做到、說定、趕上、及時(shí)到達(dá)例 Its hard to make it to the top in show business.在口語中相當(dāng)于fix the date for,表示“約定好時(shí)間”例 Shall we meet next week? OK. We just make it next Saturday.as it is.相當(dāng)于in fact, in re

39、ality表示“事實(shí)上，實(shí)際情況是”例 We had planed to finish the task today, but as it is we probably wont finish it until next week.相當(dāng)于方式狀語從句，表示“照原樣”例 Leave the table as it is.as it were 相當(dāng)于 as one might say, that is to sa濃示 ”也就是說， 可以說，換句話說”例 He is, as it were, a modern Sherlock Holmes.if it werent for if it hadnt

40、been for用來引導(dǎo)虛擬語氣，相當(dāng)于 without,or but for,表示“如果不是，要不是”例 If it werent for Tom, I wouldnt be alive today.thats it.相當(dāng)于Thats all. Thats so much.表示“至此為止，沒有別的了”例 You can have one more sweet, and thats it.相當(dāng)于Thats right.表示“對(duì)啦”例 I guess the key to the problem is thechoice“A ” Thats it.catch it 在口語中，相當(dāng)于當(dāng)于 be p

41、unished/scolded for doing sth. wrong表示 “因做錯(cuò)事而挨罵，受責(zé)備，受批評(píng)，受懲罰”例 Well really catch it form our teacher if were late for class again.have it.相當(dāng)于say, insist表示“說，主張，表明，硬說”例 Rumour has it that they are getting divorced.相當(dāng)于get to know something表示“了解，知道，獲悉”例 I had it from John that she was going abroad.have

42、what it takesft口語中,相當(dāng)于 be well qualified for,表示“具有成功的 條件”例 You can take it from me that your daughter has what it takes to be a star.so it seems / appears.Keep at it! (Dont give up!)相當(dāng)于go on表示“繼續(xù)做，不放棄”例 My teacher asked me to keep at it.Go it! (Go on!) 拼命干 ,莽撞Now you have done it! (You have done sth

43、. wrong.)Now youll catch it! (Youll be punished.)As it happened,在口語中，相當(dāng)于its a pity that,表示“真不湊巧，真 遺憾”例 As it happened, they were out.As it turned out,在口語中, 相當(dāng)于 it was found to be in the end,表示 “最 后被證明是”例 As it turned out, his statement was false.Such as it is(they are底口語中, 相當(dāng)于 although it may not be

44、 worth much, 表示“雖然沒有多大價(jià)值”例 You can borrow my exam notebook, such as it is.Take it/things easy.相當(dāng)于 Dont worry or dont hurry.用來勸告別人，表示 “不要慌，別擔(dān)心，存住氣”例 Take it easy! He will do it well.Take it from me.在口語中，相當(dāng)于 believe me what I say表示“請(qǐng)相信我的 話，我敢擔(dān)?！崩?You can take it from me that he will make it this time.

45、For what it is worth在口語中， 相當(dāng)于 although Im not sure its of value, 表示“不管其價(jià)值如何”例 Here is the article I promise you, for what its worth.Worth it在口語中，相當(dāng)于useful,表示“有好處，值得做”例 Dont hesitate about it! Its worth it.Believe it or not.表示“信不信由你”例 Believe it or not, Tom is getting married to Mary next Sunday.Take

46、 it or leave it. v. 要么接受要么放棄例 That is my last offer. You can take it or leave it.It all depends/that all dependst口語中, 相當(dāng)于 it hasnt been decided yet, 表示“那得看情況，還沒有定下來”例 Are you going to the countryside for holiday? It/That all depends.Its up to sb.在口語中，相當(dāng)于its decided by sb.表示“由決定，由負(fù)責(zé)，取決于”例 Shall we go

47、 out for dinner? Its up to you.“It ”用法及其句型和固定搭配專練Was it during the Second World Warhe died?A.that B.while C.in which D.then (88)Is necessary to complete the design before National Day?A.this B.that C.it D.he (89)I dont think possible to master a foreign language without much memorywork.A.this B.that

48、 C.its D.it (91)Does matter if he cant finish the job on time?A.this B.that C.he D.it (91)It was not she took off her glasses I realized she was a famous filmstar.A.when , that B.until , that C.until , that D.when , then (92)I was disappointed with the film. I had expected to be much better.A.that B

49、.this C.one D.it (93)It was not until 1920 regular radio broadcasts began.A.while B.which C.that D.since (94)is a fact that English is being accepted as an international language.A.There B.This C.That D.It (95)It was only when I reread this poems recently I began to appreciate theirbeauty.A.until B.

50、that C.then D.so (97)I hatewhen people talk with their mouths full.A.it B.that C.these D.them (98)It is the ability to do the job matters not where you come from or what youare.A.one B.that C.what D.it (2000)I like _ in the autumn when the weather is clear and bright. (2004)A. this B. that C. it D.

51、one Do you like _ here? Oh, yes. The air, the weather, the way of life. Everything is so nice全國(guó)卷)A. this B. These C. That D. itWe needed a new cupboard for the kitchen. So Peter made _ from some wood.(全國(guó)卷)A. it B. One C. Himself D. anotherThe foreign Minister said, our hope that the two sides will w

52、ork towardspeace.(2004北京)A. This is B. There is C. That is D. It isis reported in the newspaper, talks between the two countries are makingprogress. (2004北京 )A. It B. As C. That D. What How often do you eat out?(2004,天津) , but usually once a week.A. Have no idea B. It depends C. As usual D. Generall

53、y speakingWe wanted to get home before dark, but it didnt quite as planed. (200浙4江卷 )A. make out B. turn out C. go on D. come up What do you want to do next? We have half an hour until the basketball game. . Whatever you want to do is fine with me.A. It just depends B. Its up to you C. All right D.

54、Glad to hear thatIt was back home after the experiment.not until midnight did he gountil midnight that he didnt gonot until midnight that he wentuntil midnight when he didnt goKEYS:1-5 ACDDB 6-10 DCDBA 11-15 ACDBD 16-20 BBBBC第三章 高中英語語法中的省略現(xiàn)象在英語語言中，為了使語言簡(jiǎn)潔明了，重點(diǎn)突出或上下文緊密相連，可以省去某些句子成分而保持句子愿意不變，這種語言現(xiàn)象稱之為

55、省略?，F(xiàn)就英語中的種種省略現(xiàn)象分析如下：一、并列復(fù)合句中的省略在并列句中后邊的分句可以省略與前邊分句中相同的成分。如：The boy picked up a coin in the road and (the boy ) handed it to a policeman.個(gè) 男孩在馬路上拾起一枚硬幣并把他交給了警察。Your advice made me happy but(your advice made) Tom angry.：的建議使我高 興但使湯姆生氣。Tom must have been playing basketball and Mary (must have been)doin

56、g her homework.湯姆肯定一直在打籃球，瑪麗一直在寫作業(yè)。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、主從復(fù)合句中的省略1狀語從句中的省略一般說來省略現(xiàn)象多出現(xiàn)在下列五種狀語從句中：由 when ,while ,as ,before,after , till, until, once等引導(dǎo)的時(shí)間狀語從句；由 whether ,if , unless等引導(dǎo)的條 件狀語從句；由though , although ,even if ,whateve序引導(dǎo)的讓步狀語

57、從何；由 as ,than等引導(dǎo)的比較狀語從句；由as, as if , as though引導(dǎo)的方式狀語從句。上述狀語從句在省略時(shí)應(yīng)遵循下面原則：1) 當(dāng)狀語從句的主語與主句的主語一致時(shí)，可以省略狀語從句的主語和系動(dòng)詞be,這時(shí)從句中可出現(xiàn)如下結(jié)構(gòu)：(1)連詞(as, as if , once +名詞；(2)連詞( though, whether , when) +形容詞；(3) 連詞 (whether, as if ,while )+介詞短語；連詞 (when , while , though )+ 現(xiàn)在分詞；(5) 連詞 (when ,if ,evenif ,unless ,once ,

58、until, than , as ) +過去分詞；(6) 連詞 (as if ,as though ) +不定式。如：Once (he was)a worker ,Pang Long now becomes a famous singer 龍?jiān)?jīng)是個(gè)工 人，現(xiàn)在變成一位著名的歌手。Work hard when (you are) young ,or youll regret趁年輕要努力學(xué)習(xí),要不然你會(huì)后悔的。He looked everywhere as if (he was)in search of something 至 U 處看彳以乎在找什么東西。While (he was) holdi

59、ng talks with President Hu Jintao ,US President George W. Bush thanked China for its important role in the Six-Party Talks 美國(guó)總統(tǒng)布什在與胡錦濤主席會(huì)談時(shí)，感謝中國(guó)在六方會(huì)談中起的重要作用。The exhibition is more interesting than (it was) expected這次展覽比被預(yù)料的有趣的多。Olympic gold medallist hurdler Liu Xiang opened his lips as if (he were)

60、 to speak奧林匹克金牌獲得者跨欄運(yùn)動(dòng)員劉翔張開嘴好像要說什么。注意：當(dāng)從句的主語和主句的賓語一致時(shí)，間或也有這樣的省略,如：Her father told her to be careful when (she was)crossing the street.她過馬路時(shí)父親 告訴她要當(dāng)心。2)當(dāng)從何的主語是it,謂語動(dòng)詞中又含有系動(dòng)詞be時(shí)，可以把it和系動(dòng)詞be 一起省略。此時(shí)構(gòu)成連詞(if , unless ,when , whenever)+W容詞的結(jié)構(gòu)。如： Unless (it is) necessary ,youd better not refer to the dicti