人教课标版 高二选修 6 Unit 4 人教课标版 高二选修 6 Unit 4

I. 代词 it a. 用作人称代词, 代替前文提到的事物。 My watch is missing. I can’t find (it) anywhere. Her father has gone abroad. Have you heard about (it)?

b. 代替指示代词 this, that 。 What’s this? (It’s) a computer. Whose pen is that? It’s mine. c. 表示时间、天气、距离、季节、明暗 等。 It’s time for lunch. It’s getting warmer and warmer ．

It’s forty years since my hometown was liberated. It’s summer now. How far is it from here to the airport ？ It’s about twenty minutes’ walk from here to the bus stop.

II. 引导词： a. 作形式主语, 代替由不定式, 动名词或 从句表示的真正主语。其基本句型为： It ( 形式主语 ) +adj. + to+ v. It ( 形式主语 ) +adj. + that (subject ( 主 语 )+v. )

It ( 形式主语 )+adj.+ whether (subject +v.) It is ＋ adj. ＋ for ／ sb. to do sth. (of ) It ＋ seems (appears) ＋ that (subject ＋ v.) happens

① It is very important to help each other ． ② It is no use / useless going there again ． ③ It’s not decided yet when they will leave for Shanghai ． ④ It seems that he has caught a cold. =He seems to have caught a cold ．

⑤ Is ____ possible to master a foreign language in two months? A. now B. that C. it D. man ⑥ Is ____ necessary to tell his father the truth? A. it B. that C. what D. he

b. 作形式宾语, 代替由不定式、动名 词或从句表示的真正宾语。其主要 基本句型为 : 主语＋谓语＋ it ( 形式宾语 ) ＋宾语 补足语＋ to do sth. (doing sth. 或 that 从句 ).

① Marx found it important to study the situation in Russia. ② She thought it no use to write to him again. ③ They want to make it clear to the public that they do an important and necessary job.

④ Do you think ___ difficult to work out this maths problem? A. that B. very C. yourself D. it ⑤ Having been there many times, ___ to find Mr. Wang’s house. A. it was easy for him B. for him it was easy C. he found it easy D. he found easy

c. 用在强调句型中, 为了强调句子的某 一成分 ( 通常是主语、宾语或状语 ), 常用结构 : It is / was ＋被强调部分＋ that (who) …. I met Tom in the street yesterday ．

① It was I who (that) met Tom in the street yesterday. ② It was Tom that I met in the street yesterday. ③ It was in the street that I met Tom yesterday. ④ It was yesterday that I met Tom in the street. 主语 宾语 时间状语 地点状语

⑤ ____ she had arrived home that she remembered her appointment ( 预约 ) with the doctor. A. It was not until B. Not until it was C. Not until D. Until it was not

1. It ___ for this reason ___ her uncle moved out of New York. A. is... which B. was... why C. was... that D. were... how 2. It was ___ he said at the meeting __ disappointed me. A. what.., that B. that.., that C. what.., what D. that.., what Drills

3. ---Wasn’t it Dr. Li who spoke to you just now? --- ______. A. I didn’t know he was B. Yes, he did C. No, he didn’t D. Yes, he was 4. Was it during the Second World War ____ he died? A. this B. then C. that D. while

5. I don’t think _____ possible to master a foreign language without much memory work. A. this B. it C. that D. its 6. Does ____ matter if he can’t finish the job on time? A. it B. this C. that D. he

7. Tom’s mother kept telling him that he should work harder, but __didn’t help. A. he B. which C. she D. it 8. Was ___ in 1998 ___ your teacher graduated from university? A. that.., that B. it... which C. it... that D. it... when

9. He felt ___ duty to work for human rights and progress. A. it his B. his C. that is a D. that is his 10. ___ is no good ___ without doing anything. A. This... talking B. It... to speak C. That... to say D. It... talking

11. All the children except my partner ___ late because of traffic jam. A. is B. are C. was D. has been 12. Your new clothes fit you, but mine ___ me. A. don’t fit B. doesn’t fit C. don’t fit for D. aren’t fit

(II) It 的用法及强调句型

性质性质 功 能功 能例 句 代词代词 用作人称 代词，代 替上文提 到的人或 事物。 — Who is it? — It’s me. You’ve helped me a lot; I’ll never forget it.

性质功 能功 能例 句 代词代词 用以代替 指示代词 this 或 that 。 — What’s this? — It’s a computer ． — Whose book is that? — It's hers ．

性质功 能功 能例 句 代词代词 表示时间、 天气、距离、 价钱等。 It’s time for lunch ． It’s raining hard ． It’s two miles from the school to our home ．

引导词引导词 作形式主语, 代替由不定 式、动名词 或从句等表 示的真正主 语。 It is easy to buy a new radio. It is no use telling him that. It doesn’t matter whether she comes or not.

引导词引导词 作形式宾语, 代替由不定 式、动名词 或从句等表 示的真正宾 语。 I feel it my duty to help him. We thought it no use doing that. I’ve made it clear that nobody is allowed to smoke here.

引导词引导词 表示强调, 其结构是 : It is/was+ 强调 部分 + that+ 原句剩余部分。此结构 只限于强调状语、主语和宾语。 注意：①如果强调的是人, 其后用 that 或 who 均可 ; ②如果强调的是物、 时间或地点等状语, 其后只能用 that 不用 where 、 when 、 why 。

引导词引导词 I saw Tom yesterday here. ① It was I that/who saw Tom yesterday here ． ② It was Tom that /who I saw yesterday here ． ③ It was yesterday that I saw Tom here ． ④ It was here that I saw Tom yesterday ．

引导词引导词 注意 : 若原句是 not…until 句型, 在强 调 until 部分时, 要把否定形式放入被 强调部分。例如 : He didn’t leave until l returned. = It was not until I returned that he left ．

易与强调句型易与强调句型 * 若强调谓语, 则 用 do /does /did + 动词原形, 常 译为 “ 的确 ” “ 一 定 ” 等, 该结构只 能用于陈述句 或祈使句中。 引导的强调句 与其它从句的 区别在于： Do be patient! ( 一定要 耐心点 ) He does want to learn English well. ( 他的确 想学好英语。 ) It was in the place that I was born. ( 强调句 ) It was the place where I was born. ( 定语从句 )

混淆的其它从句混淆的其它从句 ① 强调句型中前 后时态应一致 ; ② 被强调的部分为 主语、宾语和状 语, 若把 it is ／ was 和 that ／ who 去掉, 剩下的词语能重 新组成正确的句 子, 而且不缺成分, 否则就是其它从 句。 It was in 1945 that World War II ended. ( 强调句 ) It was 1945 when World War II ended.( 定 语从句 ) ③ It was a long time since I met you last. ( 时 间状语 ) It is time that you went to bed. ( 定语从句 )

口诀： 代词 it 本意它, 既可指这又指那 ; 时间天气均可指, 谈到距离也用它 ; 假主假宾均可做, 强调句型跟 that 。

1. It was this village ___ I was bought. A. where B. that C. on which D. which 2. It was in this village ___ I was bought up. A. where B. that C. on which D. which

3. Can it be in the drawer ___ you put your passport? A. where B. in which C. there D. that 4. It was July 1, 1997 ___ saw the return of Hong Kong to the motherland. A. that B. when C. which D. in which

5. It is two years __ I joined the army. A. before B. since C. that D. after 6. It was two years ___ I joined the army. A. before B. since C. that D. after

Was it under the tree ___ you were away talking to a friend? --- Sure. But when I got back there, the bike was gone. A. that B. where C. which D. while Why don’t we take a little break? --- Didn’t we just have ____? A. it B. that C. one D. this

9. It was not until 1920 ____ regular radio broadcast began. A. while B. which C. that D. since 10. ___ is the fact that English is being accepted as an international language. A. There B. This C. That D. It

11. It was about 600 years ago ___ first clock with a face and an hour hand was made. A. that B. until C. before D. when 12. I hate ____ when people talk with their mouths full. A. it B. that C. these D. them

13. It was only when I reread his poems recently ____ I began to appreciate their beauty. A. until B. that C. then D. so 14. It is the ability to do the job ____ matters not where you come from or what you are. A. one B. that C. what D. it

15. The Parkers bought a few house but __ will need a lot of work before they can move in. A. they B. it C. one D. which 16. ____ no need for us to discuss the problem again since it has already been settled. A. It has B. There has C. It is D. There is

17. Was it in 1969 __ the American astronaut succeeded ___ landing on the moon. A. when; on B. that; on C. when; in D. that; in 18. Was ___ that I saw last night at the concert? A. it you B. not you C. you D. that yourself

19. ____ was in 1979 ___ I graduated from the university. A. That; that B. It; that C. That; when D. It; when 20. What a pity my new computer doesn’t work! ____ must be something wrong with it. A. It B. There C. This D. That

21. I like ____ in the autumn when the weather is clear and bright. A. this B. that C. it D. one 22. Someone is knocking at the door, but who can ___ be? A. one B. he C. she D. it

23. A knock on the door made him look up. But ___ was only the manager. A. this B. that C. she D. it 24. Someone is ringing the doorbell. Go and see ____. A. who is he B. who he is C. who is it D. who it is

25. Is ___ necessary to complete the design before National Day? A. this B. that C. it D. he 26. Does ___ matter if he can’t finish the job on time? A. this B. that C. he D. it

27. It worried her a bit ___ her hair was turning grey. A. while B. that C. if D. for 28. They have made __ a rule __ in the room. A. this; not to smoke B. it; smoking C. it; to not smoke D. it; not to smoke