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1、It的用法总结及写作训练高考命题趋势综观全国各地高考试卷和模拟试题，不难发现的it用法在英语基础知识部分考查的比较多，出现的频率也很高，it的用法涉及到的考点不外乎以下几点：1It作代词的用法（包括人称代词和非人称代词），而尤以后者出现的形式多。2作形式主语3作形式宾语4用在固定搭配中5强调句（此种结构考查的次数最多，应该引起我们平时备考的足够重视） 强化记忆部分 一.it作人称代词1.it的最基本用法是作代词，主要指刚提到的事物，以避免重复:Ningbo isabeautifulcity, isntit?They watched the train until it disappeared
2、in the distance.注意:区别it 和one 的用法2.也可以指动物或婴儿(未知性别的婴儿或孩子):Is this your dog？No, it isnt.3.也可指抽象事物:Itwas a great surprise to me when he did a thing like that-I want to stay. -Your father wont like it.二、.非人称代词itit有时并不指具体的东西，而泛指天气、时间、日期、距离、价值、度量、温度、环境等，称为非人称的it：1.指天气：It is a lovely day, isntit? It is a bi
3、t windy.2.指时间: It was nearly midnight when she came back. 3.指环境: It was very quiet inthecaf. 4.指距离：It is half an hourswalkto the city centre. 5指日期：Whats the date toda? Its the eleventh, October.6指季节：It is summer now.7指度量：It is about 20 pound/kg8.指价值：- Whats the cost of the dictionary?-It is sixty-th
4、ree.9 Its 35 centigrade now. So I feel hot.三.it用在一些词组中，it 没有特别的意思 The last trains gone. Come on, well foot it. (来，咱们步行吧。）Make it！ Get it Take it easy Forget it Its up to you 配套练习1. She heard a terrible noise, and_ brought her heart into her mouth.A. it B. which C. this D. that2.She heard a terrible
5、noise, _brought her heart into her mouth.A. it B. which C. this D. that3.Toms mother kept telling him that he should work harder, but _didnt help. A. he B . which C. she D. it4.The weather turned out to be very good, and _was more than we had expected.A. what B. which C. that D. it5.In the United St
6、ates, bus travel doesnt cost much as train travel, _?A. dont they B. does it C. do they D. doesnt it6.Someone is at the door, who is_ ?A. this B. that C. it D. he7.-It is raining cats and dogs.- _. .A. So it is B. So is it C. Neither it is D. Neither is it8.-Has the boy got his missing bicycle now?-
7、Yes, the police gave_. .A. him to him B. it to it C. it to him D. him to it9-Has the boy got his missing bicycle now? - No, but his father _(又给他买了一辆新的) 能力提升部分1、作形式主语，替代不定式，ing 形式或主语从句作形式主语替代主语从句. It is clear ( obvious， true， possible， certain，uncertain.) that . 该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为清楚（
8、显然，真的，肯定,不确定）是主语从句最常见的一种结构。 It is very clear that hes round and tall like a tree. = Thathes round and tall like a tree is very clear. It is important ( necessary， right， strange， natural.) that . 该句型和上一个同属一个句型；由于主句中的形容词不同，that 后的从句中要用虚拟语气（should + 动词原形），should 可以省去，建议记住该句型中的形容词。It is important that
9、we (should) learn English well. It is necessary that he (should) remember these words. .It is a pity ( a shame /an honor/a good thing/a fact,/a surprise/a question. ) that . 该句型中，that后的从句一般用虚拟语气（should + 动词原形），should可省去表示出乎意料，常译为竟然。没有这种意义时，则不用虚拟语气。It is a pity that such a thing ( should ) happen in
10、your class. 这种事竟然发生在你们班上，真是遗憾！ It is a pity that he is ill. 他生病了，真遗憾！4It is said (reported/ learned/believed/thought/known/told/hoped.) that . 该句型中的it 仍是形式主语，真正主语是that 引导的主语从句；该结构常译为据说（据报道，据悉）。 It is said that he has come to Beijing. It is reported that another earth satellite has been put into orbi
11、t. It is suggested ( ordered /demanded/insisted/commanded. ) that . 该句型和上一个同属一个句型，主句中的过去分词是表示请求，建议，命令等词时，that后的从句要用虚拟语气（should + 动词原形），should 可以省；常译为据建议；有It is suggested that the meeting ( should ) be put off. It was ordered that we ( should ) arrive there in two hours.配套练习1._(据报道)that dozens of chi
12、ldren died in the accident.2._(真遗憾)that he cant swim at his age.3._(很可能)that they will beat us tonight.4._（仍然是一个问题）when we shall have our sports meet.5._(还不确定)whether he can attend this conference or not. It is time ( about time ，high time ) that . 该句型中that 后的从句应该用虚拟语气，值得注意的是 常用过去时态表示虚拟 有时也用should +
13、 动词原形，should 不能省，常译为是（正是）的 时侯 It is time that children should go to bed. = It is time that children went to bed. =Its time for children to go to bed.It is time you bought a new car.It is (high ) time you made up your mind. It is the first ( second . ) time that . 该句型要和上一个句型区别开来，该句型中的 that 从句不用虚拟语气，而
14、用完成时态，。至于用什么完成时态，由主句的谓语动词的时态决定。如果是一般现在时，后面从句用现在完成时态；如果是一般过去时，后面从句则用过去完成时态，该结构中 that 可以省去；it有时用 this 替换常译为是第一（二）次。 It is the first time I have been here. = This is the first time I have been here. 注意区分 time 的不同含义1._（该 的时候了）she wrote a letter to her boyfriend.2._(这是第一次)that these Europeans have visited the Great Wall.3._（我们该）to go to school.作形式主语替代不定式1. . It is kind ( of sb. ) to do sth. 该句型中的不定式短语是真正主语，如果不定式的逻辑主语是由 of引起，主句中的形容词必须是能表示逻辑主语特征的形容
