【正文】 It is wrong to tell a lie. 此時it只起先行引導(dǎo)作用，本身無詞義。一、 It 用作形式主語現(xiàn)將it在特殊句型中作形式主語和形式賓語用法，進(jìn)行如下歸納分析，以供學(xué)習(xí)參考。It作形式主語和形式賓語用法，是中學(xué)階段英語學(xué)習(xí)的主要語法工程之一。 26—30 DCBADIt”作形式主語和賓語 21—25 11—15 6—10 BBDCC C. Keep A. To be keeping B. Kept hear29. It took the workmen only two hours to finish ________ my car. hearingC. looking。 A. to look。C. readings worth ___a second time. —What do you think of the book？ B. of ,help A. for, helping A. to have ___ her new bicycle.A. As she lostB. Lost D. you24 . What do you think made Mary so upset? B. it A. that 23. I’d appreciate ________ if you would like to teach me how to use the puter. D. it B. this D. One22. We think _______ our duty to pay taxes to our government. B. There A. him B. that C. one D. it21. _______ will do you good to do some exercise every morning. A. This B. That C. There D. It19. Is _______ possible to fly to the moon in a spaceship? C. It was said he A. He is said that D. It。 which who A. This。 A. that B. this C. it D. them15. _______ that the scientist will give us a talk next month? D. He。 C. It。 that that 13. _______ happened _______ he is unfit for the office. A. this B. that C. it D. one D. It11. I hate _______ when people talk with their mouths full. C. That A. he B. which C. she D. it 10. _______ is a fact that English is being accepted as an international language. D. it8. Does _______ matter if he can’t finish the job on time? C. its A. this B. that C. it D. he7. I don’t think _______ possible to master a foreign language without much memory work. C. to play B. plays D. it’s5. Do you think it important _____ puter well? to learn4. Children find___ interesting to play puter games. C. of。B. of。 A. for。 C. goesB. to goD. saying, doing2. It takes me 30 minutes ________ to school by bike every day. s easier _____ than ________.　?、?There be difficulty/ trouble (in) doing sth.　　 干…有困難　　There was no difficulty in finding ?！　、?There be no/ some differences between…and……和…之間沒/有區(qū)別　　There are some differences between the two ?！　、赥here is no possibility that we’ll see him this ?！?⒊ There is no need (for sb.) to do sth.　　 沒必要…　?、賂here was no need for him to remain in 。 There is no doubt that…對…毫不懷疑　?、賂here is no doubt about his suitability for the job毫無疑問，他適合這個工作?！　、?易混用其他句型　　英語中有一些句型不含it, 但卻易被誤用了it，常見的有以下句型：　　⒈ There is something/nothing wrong/ the matter with sb./ sth.　　There is nothing wrong /the matter with him. He’s just pretending.　　他沒什么事，他只是在裝呢?！　、窱t won’t be …before…用不了（多長時間）就會…　　It wasn’t …before…沒過（多長時間）就…　?、買t will be a long time before we finish the ?！　、贗t’s high time that we stopped/should stop this ?！　、?believe it or not 信不信由你　?、貰elieve it or not, I’ll go abroad next month.　　不管你信還是不信，我下個月要出國?！　、贗t was 8 o’clock when he returned.(8 o’clock 是時間名詞，時間狀語從句)他回來的時候是八點(diǎn)鐘。 ②It was in the town that I was born.　　(in the town為地點(diǎn)狀語，強(qiáng)調(diào)句型)我出生在這個鎮(zhèn)子。　?、?It be + 被強(qiáng)調(diào)部分 + that/ who + 其他成分　　I met Peter in Japan last year.　?、?It was　　 I 　　who/that met Peter in Japan last year.　?、?It was Peter 　　whom/that I met in Japan last year.　?、?It was in Japan that I met Peter last year.　　⑷ It was last year that I met Peter in Japan.　　* not …until 也可用于強(qiáng)調(diào)句型　　例１　Mr Brown didn’t e back until eleven o’clock.　　可變?yōu)椋篒t was not until eleven o’clock that　Mr Brown came back.　　* 強(qiáng)調(diào)句也可變?yōu)樘厥庖蓡柧洹　±薄t was in 1949 that the PRC was founded.　　可變?yōu)椋篧hen was it that the PRC was founded?　?、?　It’s + 地點(diǎn)狀語+ that…（強(qiáng)調(diào)句）　　?、跧’ll see to it that everything is ready in ?！?⒊ it代替賓語從句：　?、賅e all thought it a pity that the conference should have been cancelled.　　會議取消了我們都感到很遺憾?！　、跦e found it useless( no use) arguing with him.　　他發(fā)現(xiàn)和他辯論沒有用。　?、轆ll these noises made it impossible for me to go on with the work.　?。?it 作形式賓語，代替不定式短語to go on with the work）這些噪音使我無法繼續(xù)工作?！　、?it代替不定式短語　　think/ find/ feel/ consider/ make/ regard…+ it +形容詞/名詞 + 不定式短語　　①I find it pleasant to work with him.　　(it 作形式賓語，代替不定式短語to work with him)我覺得和他一起工作很愉快?！　、?it作形式賓語：　　it作形式賓語時，可以代替三種形式：不定式、動名詞和賓語從句?！　?It doesn’t matter +連接代詞或副詞…　　It doesn’t make too much difference　　 +連接代詞或副詞…　　①It doesn’t matter whether he es or not.　　他來還是不來都沒關(guān)系。 (should) + 動詞原形　　①It is requested that he give a performance at the party.　　有人請求他在聚會上表演一個節(jié)目?！　、跧t is reported that more than twenty people were killed in that bus accident.　　據(jù)報道在那次的公共汽車事故中有二十多人喪生?！　　?It seems/ happened/ turned out/ suddenly struck me/ occurred to me…that …　　①It happened that I wasn’t there that day. 　恰好那天我不在那里。　 ◆ It is + 形容詞（如： strange/ natural/ surprising/ obvious/ true/ fortunate/ wonderful/ funny/ possible/ impossible/ likely/ unlikely/ clear/ unusual/ certain/ important…）that …　?、買t is certain that he will win.（ it作形式主語,代替主語從句what she meant）　　用it作形式主語，把真正的主語從句移至后面的常見句型有：　　◆ It is a pity/ a shame/ a fact/ an honour/ good news/ no wonder/ a wonder… that…　　①It was a pity that the engineer couldn’t e.　　可惜工程師沒能夠來。　?。?it作形式主語,代替主語從句that they had no desire for peace）　?、贗t is doubtful whether she will be able to e.　　她能否來還很難說。（ it作形式主語,代替動名詞短語asking him）　 ⒊ it代替主語從句：　　這個主語從句可以用連詞that引導(dǎo)，也可以用連接代詞或連接副詞引導(dǎo)。( it作形式主語,代替動名詞短語having a car)　?、贗t