高考英语复习之it的用法及改错十大典型讲课教案

1、高考英语复习之it的用法及改错十大典型it可以作代词（如人称代词、非人称代词）和引导词，可以作代词（如人称代词、非人称代词）和引导词，也可以用于强调句式中，还可以用于一些固定表达中。也可以用于强调句式中，还可以用于一些固定表达中。一、一、it作代词作代词1. 用作人称代词，指代：用作人称代词，指代：上文提到过的人、事、物上文提到过的人、事、物或情况等；或情况等；婴儿、性别不明或没必要区分性别的人婴儿、性别不明或没必要区分性别的人或动物。此外，或动物。此外，it也可指代未知的人。如：也可指代未知的人。如：In my opinion, life in the twenty-first centur

2、y is much easier than it was used to.Someone is ringing the doorbell. Go and see who it is.Its John on the phone.2. 用作非人称代词，指时间、天气、距离或自用作非人称代词，指时间、天气、距离或自 然现象等。如：然现象等。如：It is only half an hours walk to the hospital. Its about two kilometers from here to the station.It is raining heavily outside.二、二、

3、it作引导词作引导词1. it作形式主语的常用句型作形式主语的常用句型 “It + be +名词名词+主语从句主语从句”中从句谓语常用中从句谓语常用“（should +）动）动词原形词原形”。常用于本句型的主要有。常用于本句型的主要有a pity, a shame, no wonder, no accident等。如：等。如：It is a great pity that he should be so greedy. It is a shame that he should attempt to injure the reputation of an honest man. It was n

4、o accident that such a book should appear in the 18th century. “It + be +形容词形容词+主语从句主语从句”中从句谓语常用中从句谓语常用“（should +）动词原形（或完成时）动词原形（或完成时）”。常用于本句。常用于本句型的形容词主要有型的形容词主要有impossible, strange, surprising等。如：等。如：It is impossible that it should be a mere coincidence. Its strange that she should have been arres

5、ted for stealing. It was surprising that he should have finished writing a novel in only twenty days. “It +动词（动词（+宾语或状语）宾语或状语）+主语从句主语从句”。常用于。常用于本句型的动词主要有本句型的动词主要有please, happen等。如：等。如：It pleased me very much that he succeeded. It pleases me that he should want to talk with me. It so happened that he

6、 had just left for Tianjin. “It +动词的被动语态+主语从句”。常用于本句型的动词主要有accept, admit, allow, announce等。如：Its accepted that the universe is endless. It is generally admitted that he is a trustworthy person. It was announced that all prisoners would be set free. 2. it作形式宾语作形式宾语根据句子结构的需要，人们常用根据句子结构的需要，人们常用it作形式宾语，

7、而作形式宾语，而将真正的宾语放在宾语补足语后。常用于这种句型的将真正的宾语放在宾语补足语后。常用于这种句型的动词有动词有believe, bring, consider, declare, feel, find, make, prove, think等。如：等。如：I find it amazing that anyone would want to listen to that music.I dont think it possible to master a foreign language within 3 months. I found it worthwhile reading t

8、his book.it作形式宾语的常用句型：1）动词+ it + if / when从句当enjoy, like, dislike, love, hate, prefer, appreciate等动词后需要接一个if或when引导的从句时，需要在动词后接it作形式宾语。如：She wont like it if you arrive late. He hates it when people use his bike. Id prefer it if I didnt have to do so much work. I would appreciate it very much if you

9、would help me with it. 2）动词）动词+介词介词+ it + that从句从句能用于此句型的主要有：能用于此句型的主要有：depend on, answer for, see to。如：如：You may depend on it that he will turn up in time. I cant answer for it that the boy is honest. Ill see to it that all these letters will be sent to the post before twelve.三、三、it用于强调句型中用于强调句型中强调

10、句型可以对句中除谓语动词以外的成分加以强调。强调句型可以对句中除谓语动词以外的成分加以强调。四、四、it用在一些固定表达中用在一些固定表达中As someone puts it, . 像某人所说的那样Please see to it that . 请务必When it comes to . 当提到时It looks / seems as if . 看起来好像Its time for sth. 该做某事了Its time (for sb.) to do sth. （某人）该干某事了It is (high) time that . （早就）该Its first / second / third /

11、 . time + that . 这是某人第几次干某事（从句谓语用现在完成时）It is / has been +一段时间一段时间+ since . 自从自从已经已经；It wasnt / wont be long before . 没过多久就没过多久就 / 很很快快Its + 时间段时间段 + before . 过过时间才时间才五、五、it与与one的区别的区别两者均可代替前面提到的事物，区别是：两者均可代替前面提到的事物，区别是：it指的是与指的是与前面已提到的事物为同一物，此时的前面已提到的事物为同一物，此时的it等于等于“the +名名词词”；而；而one 指的是与前面已提到的事物为同

12、一类物，指的是与前面已提到的事物为同一类物，此时的此时的one等于等于“a +名词名词”。如：。如：I have a dictionary but Ive lent it to Mary. I havent a dictionary; can you lend me one?I. 选用括号内合适的词填空。选用括号内合适的词填空。1. It was only after she had begun to carry out the task _ (that, when) Mary realized it was extremely difficult to complete. 2. _ (It,

13、 As) is our belief that we can make a good life if we work hard.3. _ (It, What) is suggested that parents should pay more attention to their childrens inner world.thatIt It 4. As a matter of fact, _ (that, it) is not failure itself, but what we think of failure and what we do afterwards that counts.

14、 5. Do you still drive your Ford car? No, I sold _ (it, that) two years ago.6. You must keep _ (it, what) in mind that you can never be too careful when proofreading the newspaper.7. Will _ (that, it) be convenient for you to start work tomorrow?itititit8. _ (There, It) is no doubt that the visiting

15、 team, which has better players, will win the match.9. I dont think I can work out the maths problem. Its too difficult. Think it over, and perhaps you will make _ (it, that).There itII. 用用there或或it的正确形式填空。的正确形式填空。1. During my stay there I made _ a rule not to eat fatty foods.2. Id appreciate _ if y

16、ou could help me find out the reason why the computer doesnt work. 3. I kept telling Mary not to stay up too late any more, but _ didnt help. 4. _ is an urgent need for qualified teachers.5. I like _ when I am with people like Mr. Ma, who is always willing to help others. itititThere it6. Who is mak

17、ing loud noises outside the window? _ is Tom, my neighbours son.7. _ was no point in staying any longer.8. Im as good a cook as she is except when _ comes to making pizza.9. I have no idea who _ was that taught me the trick, which helped me to solve the problem.10. _ is a hard job for such a little

18、boy to carry the heavy box upstairs. Lets give him a hand.ItThere ititIt III. 选择正确的词完成下面短文。选择正确的词完成下面短文。it, these, that, what, theDo you have a drawer or a box of your special stuff? 1. _ may look like junk to anybody else, but to you 2. _ may be very important. Maybe 3. _ is your set of last years

19、hockey cards, a bottle top you hoped would show the winning number, the smoothest pebbles you could find on the beach, and your class photo. If you have kept things like 4. _, then you are a collector! Some people might call 5. _ collection junk, ititIt thesethebut you can call 6. _ MEMORABILIA (MEM

20、-or-a-BILLY-a) (值得纪念的事物值得纪念的事物). That sounds more impressive, doesnt 7. _?If you think about 8. _ happens when you look through your collection, you might guess what memorabilia are. Sometimes just looking at one of your special things helps to trigger (触发触发) a memory of how you got 9. _. In most ki

21、nds of collections 10. _ is easy to see how the items belong together. ititwhatititIf you collect stamps, anybody can see how they make a collection. 11. _ is not so easy for somebody else to understand how your memorabilia make a collection. Thats why other people think they are junk. But they do b

22、elong together because they are all part of your life. They are part of that special something 12. _ makes you different from anybody else.It that从从A、B、C、D四个选项中，选出可以填入四个选项中，选出可以填入空白处的最佳选项。空白处的最佳选项。1. Sarah made _ to the airport just in time to catch her plane this morning. (2012 大纲全国卷大纲全国卷II) A. her

23、self B. this C. that D. it2. New technologies have made _ possible to turn out new products faster and at a lower cost. (四川四川2012) A. that B. this C. one D. it 3. The employment rate has continued to rise in big cities thanks to the efforts of the local governments to increase _. (北北 京京2011) A. them

24、 B. those C. it D. that4. Why dont you bring _ to his attention that youre too ill to work on? (江西江西2011) A. that B. it C. this D. him 做形式主语 作形式宾语 用于强调结构 用作人称代词 作为非人称代词 习惯用法1. It is honest for you to tell me the truth.it十大典型错误例析十大典型错误例析of Its kind/nice of sb. to do sth【改错】_Its important/necessary fo

25、r sb. to do sth2. It is great importance to protect the environment.it十大典型错误例析十大典型错误例析of It is very important to do sth.【改错】3. It was clear they had no desire for peace. it十大典型错误例析十大典型错误例析thatIt is + 形容词 + that【改错】做形式主语做形式主语4. It is illegal drive a car without a license. it十大典型错误例析十大典型错误例析toIt is +

26、形容词 + to do sth.【改错】做形式主语5. It is no doubt that he will study abroad.it十大典型错误例析十大典型错误例析There There is no doubt/possibility /chance等常常引出同位语从句，进一步说明doubt, possibility, chance等中心词的具体内容。【改错】对比：Its no wonder (that)没什么奇怪。与there be结构的惯用句型的区别61. I find this difficult to remember so many grammars.it十大典型错误例析十

27、大典型错误例析itfind it + adj. + to do sth.【改错】形式宾语62. No matter where he is，he makes a rule to go for a walk before breakfast.it十大典型错误例析十大典型错误例析itmake it a rule to do sth.养成做某事的习惯，该结构中it为形式宾语，真正的宾语是动词不定式to go for a walk【改错】形式宾语7. I hate so when the weather in Changsha becomes freezing cold because there i

28、s no heater inside.it十大典型错误例析十大典型错误例析it 【改错】固定结构8.You may depend on that they will support you.it十大典型错误例析十大典型错误例析it 固定结构depend on it that. 表示“相信某事”，it为形式宾语。【改错】固定结构9. If youre buying todays paper from the stand，could you get it for me？ it十大典型错误例析十大典型错误例析one 【改错】_10. That is half an hours walk to the city center. it十大典型错误例析十大典型错误例析It It作为非人称代词,