专题It的用法PPT课件

1、2019届英语复习专题It的用法 it是常见代词之一，它既可以指代时间、地点、天气、间隔等，还能作方式主语或方式宾语，同时可以引起强调构造，是历年高考热点之一。现结合高考试题对其用法作一引见。一、用来表示时间、天气、地点、间隔、环境、情势等。例如： It is two miles to the beach. (Oxford) 这里到海滨有两英里。It was raining in the morning. (Oxford) 今天早晨下着雨。If its convenient I can see you tomorrow. (Oxford) 假设方便，我明天能见他。it表示时间常用于句型： 1、

2、It is/has been一段时间since 从句。意为“自以来已有多长时间了或“自不以来已有多长时间了。例如： 1It is/has been many years since I was last in London (P. SEFC Book 2B) 自从我上次到伦敦，曾经有许多年了。2Its a long time since we met last. (P. 89 JEFC Book 3) 自从我们上次见面以来曾经有很长一段时间了。2、It is/ was/ will be + 一段时间 + before 从句。表示“在做某事前过了多长时间，或“过了多长时间才。如：But it _

3、more than 100 years before the country begins once again to look as it did before. 但是在100年之后，这个国家才干恢复到以前的样子。will be二、用来指代人。阐明某人的身份或者做某事的人；指代婴儿或儿童；在不清楚某人性别时，也可运用 it，尤其在问答的方式中更为常见。例如： 1. -Look, someone is coming. Who can it be? -It may be the headmaster. -It cant be him. He has gone to Shanghai. -It m

4、ust be Mr. Zhang. He looks like the headmaster. 2. _Doctor Stone, isnt it? Shes usually good. That is B. It is C. This is D. She is3. -Is that Doctor Stone? -Yeah. -Who is _? A. this B. that C. she D. it三、用来指代前文中的内容，或指代整个主句。如：1. Take your pound of flesh! I declare the court allows it and the law giv

5、es it to you. (P. 63 SEFC Book 3A) 割下他要的那一磅肉吧！我宣布法庭允许他这么做，法律把那一磅肉判给他了。2. If it is possible, hod up the part of the body which is bleeding. (P. 44 SEFC Book 2A) 假设能够的话，就把出血的部位抬起来。3. I was disappointed with the film ，I had expected _ to be much betterAthat Bthis Cone Dit4. Toms mother kept telling him

6、 that he should work harder, _ didnt help. he B. which C. she D. but it 5. It is said that in Australia there is more land than the government knows _. A. it what to do with B. how to deal with it C. what to do with it D. to do what with 6. The Parkers bought a new house, _will need a lot of work be

7、fore they can move in.Abut that Bbut it Cone Dwhich7. I love swimming, _ keeps me fit. and it B. which C. it D. as 8. They said they had finished the work, but_.I cant believe it B. what I cant believeC. which I cant believe D. I dont believe四、在一些相对固定的词组中出现，没有特殊含义，经常不翻译。如： Hes never really made it a

8、s an actor. (Oxford) 作为演员，他从未获得过真正的胜利。 It is my turn 轮到我了。3. Thats just it-I cant work when youre making so much noise. (Oxford) 缘由就在这儿-他们这么吵，我没法任务。4. _. Ive got so much work I dont know where to start. What an awful! B. Its awful!C. That was awful! D. As is awful, 5. _with you? _ Very well, thank y

9、ou.What is going on B. How is it going C. How is everything going D. What is up五、指代不定式、动名词、从句等，用作方式主语或方式宾语。如：_ always difficult to be in a foreign country, especially if you dont speak the language. That is always B. It is always C. It will be always D. That will always be2. We must make _ to the pu

10、blic that something should be done to stop pollution.What is clear B. it is clearC. It clear D. that clear3. I hate _ when people talk with their mouths full. A. it B. that C. these D. them4. _ one day they will have enough animals to set them free. It is hoped for B. what is hoped thatC. As is hope

11、d that D. It is hoped that5. _ inside his heart was beating wildly with fear. A. It appeared calm but B. He appeared calm, but C. What appeared calm was D. It was appeared calm, but用 it 作方式主语或方式宾语的句型主要有:It + be + adj./ n. (for sb./of sb ) + to do sth. It + be + fun/ a waste of time/ no good/ no use

12、doing sth. It be过去分词that从句 It be描画词 that从句 5、It be名词词组that从句 Is it possible necessary to tell his father everything? In fact it is a hard job for the police to keep order in an important football match. I dont think it possible to master a foreign language without much memory work. How silly of you

13、it is to have done it!It + be + adj./ n. (for sb./of sb ) + to do sth. 留意：留意：该句型中的描画词通常是表示事物的特点或该句型中的描画词通常是表示事物的特点或特征的如特征的如difficult，hard，easy，impossible，necessary，important等，等，此时用此时用for；表示人的性格特征或特点的如表示人的性格特征或特点的如nice，good，bad，kind，silly，foolish，wise，clever， careless，rude，brave，cruel，careful， gratef

14、ul等，这时要用等，这时要用 of。 It + be + fun/ a waste of time/ no good/ no use doing sth. _ to jump into a river on a hot summer day!How fun it is B. What fun it isC. What fun of it is D. What a fun it is It is no use crying over spilt milk. 谚 牛奶已泼，哭也无用。It be过去分词that从句 It is said, reported, announced, hoped, th

15、ought，told，believed，expected，decided，suggested, known + that 从句该句型通常可以转换成sb/sth is said that 如：It is said that the book was translated into many languages in 1950.The book is said to have been translated into many languages in 1950.It be描画词 that从句 可用于此句型的描画词还有wonderful， true，good，right，wrong，importa

16、nt ，useless，surprising，clear，unusual，lucky，certain等。 如：1It is quite certain that he will not make a speech at the meeting. 2It is important that we (should) study hard. 5、It be名词词组that从句。适用该句型的名词词组还有a pity，an honor，a good thing，a fact，a surprise，good news等。 如：1It is a pity (that) you missed the spor

17、ts meeting last week. 2_ is a fact that English is being accepted as an international language. A. There B. This C. That D. It6、It seem appear happen的适当方式that从句。该句型常可以转换成含不定式的简单句。如：1It seems that there is a big waste pipe coming down from the town. (P. 31 SEFC Book 3A)There seems to be a big waste p

18、ipe coming down from the town.2He appeared calm, but inside his heart was beating wildly with fear. (P.56 SEFC Book 3A)It appeared that he was calm, but inside his heart was beating wildly with fear.7、It doesnt matterIts no wonder；It doesnt make too much difference等 when/ where/ which/ whether 等从句。

19、如：1Does _ matter if he cant finish the job on time?A. this B. that C. he D. it2They are all classmates_ is no wonder _ they should help each other with their studies上海 98 AThis；whether BIt；if CThat；that DIt；that 8、S. + v. it + adj. / n./ + 不定式或从句。常用于这一句型的动词有 find, consider, feel, make, think 等。如：1he

20、 found it important to study the situation in Russia.2I want to make it clear whether she is still at school. 3I feel it our duty to study English well. 4I dont think _ possible to master a foreign language without much memory work. (NMET 90)A. this B. that C. its D. it1. Was it Bill, _ plays footba

21、ll well, _ helped the blind man cross the road.that/that B. who/that C. who/who C. that/who 六、it 用来引起强调句型 解析解析Who 引导一个非限定性定语从句修饰Bill; that 指代被强调部分Bill.2. It was in the school, _ I once studied, _we held a party.正是在我曾经就读的那所学校我们举行了一次聚会.where/that B. in which/ that C. that/where D.that/in which解析解析wher

22、e I once studied 非限定性定语从句修饰school。3. It was in the 1990s, _ great changes were taking place in china, _he made a lot of money.正是在中国发生着宏大变化的二十世纪九十年代,他挣了大把的钞票.that /when B. during which/thatC. when/that D. that/that解析解析强调部分in the 1990s 后跟了一个非限定性定语从句。4. -Where did you meet him? -It was in the park _ hi

23、s wife and he first met.A. that B. where C. in which D. when这是个强调举行的省略句，完好句子是：It was in the park where his wife and he first met that I met him. 解析解析4. -Do you still remember _ you lost your wallet? -Yeah. It was at the crossing _ I got lost.where was it/ that B. where was it/thatC. The place where/

24、where D. where it was that/where 第一个空是强调句型用作宾语从句；第二空where引导定语从句，后边省略了that lost my wallet.解析解析5. It was five oclock in the afternoon _ they climbed up to the top of the mountain Asince Bwhen Cthat Duntil five oclock in the afternoon不能独立作时间状语，不能作为一个强调部分；at five oclock才可以构成独立的时间状语。解析解析6. -Can it _ the

25、manager that talked to your brother? -No. It _ someone else that spoke to your brother.be/must have been B. have been/ must have been C. have been/must be D. be/ must be解析解析这是强调句型表示判别的用法，对过去情况推测、判别。1. _ in the regulations that you should not tell other people the password of your account. A. What is

26、 required B. What requiresC. It is required D. It requires (2019 上海)综合练习解析解析It 在此作方式主语，实践宾语为that you should .2. Catherine bought a postcard of the place she was visiting, addressed _to _ and then posted it at the nearby post office. (2019 安徽) A. it; her B. it; herself C. herself; her D. herself; her

27、self addressed it to herself, it 代指the postcard; 意思是“在明信片上写上本人的地址寄给她本人。解析解析3. As the busiest woman in Norton, she made _ her duty to look after all the other peoples affairs in that town. A. this B. that C. one D. it (2019 湖南)解析解析It 为方式宾语，指代不定式to look after all the other peoples affairs in that town

28、.4. _ is our belief that improvements in health care will lead to a stronger, more prosperous economy. (2019 浙江)A. What B. That C. This D. It解析解析It 方式主语指代that improvements in health care will lead to a stronger,5. Id appreciate _ if you would like to teach me how to use the computer. A. that B. it C

29、. this D. you (2019 山东) 解析解析It 为方式宾语，指代if you would like to teach me how to use the computer.6. I dont like working late into the night， but I cant help _. A. so B. that C. it D. them.解析解析I can help it. 为习惯用法，意思是“我真实控制不住，“这不能怪我。全句意思是“我不想熬夜，但我控制不住本人。 7. I prefer a flat in Inverness to _ in Perth, bec

30、ause I want to live near my Moms.A. one B. that C. it D. this (2019 天津) One不定代词，指代a flat in Perth。全句的意思是：我更在 Inverness有一套房子，而不是在Perth，由于我想住在我妈妈附近。 解析解析8. Weve been looking at houses but havent found _ we like yet.A. one B. ones C. it D. what 解析解析调查不定代词的用法。one 指代 a house; what we like我们喜欢的东西，指房子。9. T

31、he doctor advised strongly that she should take a holiday, but _ didnt help.A. it B. she C. which D. heIt 指代前文中的事情。解析解析10. Cars do cause us some health problems in fact far more serious _ than mobile phones do. A. one B. ones C. it D. those 解析解析Ones 指的是前边的problems, far more serious ones than mobile

32、phones do 是前边health problems 的同位语, 对health problems 进展补充阐明。11. I intended to compare notes with a friend, but unfortunately _ couldntspare me even one minute.A. they B. one C. who D. it 从句子构造上，可排除选项C；从代词的意义上可排除D；根据前半句的意思，句中的a friend指恣意一个朋友，可了解为a friend 0f mine而后半句意指“我这些朋友们，为复数。解析解析12. I like _ in the