---------------------------------------------------------------最新资料推荐------------------------------------------------------it用法考点归纳it 用法考点归纳一、考点聚焦（一）、it 的基本用法 1. 用作人称代词，代替前文提到过的事物。
The train has arrived. It arrived half an hour ago. 2. 用以代替提示代词 this, that。
Whats this? Its a knife. Whose watch is that? Its mine.3. 起指示代词的作用，指一个人或事物。
Who is knocking at the door? Its me. 4. 指环境情况等。
It was very noisy (quiet) at the very moment. 5. 指时间、季节、天气、气候等。
What time is it? Its eight oclock. It often rains in summer here. 6. 指距离。
It is a long way to the school. 7. 作形式主语。
替代作主语的从句、动词不定式、动名词，而把真正作主语的从句、动词不定式、动名词置于句尾。
It 作形式主语的常见句型：1) 代作主语的动词不定式，其句型为（1）It be adj. (for sb.) to do sth. 此处 adj. 通常为描述事件的形容词如：easy, difficult, hard, necessary, unne-cessary, possible, impossible, likely, unlikely, right, wrong, important, unimport-ant, legal, illegal, well-mannered, ill-mannered,1 / 12polite, impolite, clear, obvious, certain, suitable, proper,fit, useful, useless, dangerous 等。
例如：It is illegal (for a teenager) to drive a car without alicense. （2）It be adj. of sb. to do sth. 此处 adj. 通常为描述人的形容词：kind, unkind, nice, rude, cruel, considerate, thoughtful, thoughtless, careful, careless, silly, foolish, stupid, clever,wise, crazy 等。
例如：Its kind of you to help me with the problem. 2) It 替代作主语的动名词的常见句型 Its no good/use doing Its (well)worth doing Its (well)worth ones whiledoing/to do Its (well)worth whiledoing/ to do 例如: Its no use crying over spilt milk.3) It 替代作主语的从句常见句型（1）It is + noun +从句例如：It is no secret that the president wants to have a secondterm at office. （2）.It is adj. +clause Its surprisingthat (should)竟然 Its a pity/shame that(should)竟然例如：Its important that you should apologize to her for your---------------------------------------------------------------最新资料推荐------------------------------------------------------ rudeness.(=Its of much importance that you should apologize toher for your rudeness.) （3）It verb sb. + clause= It is v-ing+ clause It+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze/bother/concern/frighten/please/anger sb. that 例如：It worried me that she drove so fast.(= It was worrying thatshe drove so fast.) （4）It verb (to sb.) that= sb/sth verbto do 此处常用的动词有：appear, seem, come about, emerge, follow, chance, happen, occur, transpire, turn out , work out 等。
例如：It (so) happened/chanced that they were out.(= They happened/chanced to be out.) （5）It is v-ed that=sb/sth isv-ed to do 该句型常用下列一些动词的过去分词：say, report, think, believe, hope, expect, agree, accept, decide, determine, intend, plan, understand, know。
例如：It is said that the couple have gotten divorced.(=The couple are said to have gotten divorced. （6）It is v-ed that (should) 该句型常用一些表示要求、建议、命令的动词如 demand,3 / 12request, require, order, suggest, advise, recommend 等，在他们后边的从句一般用虚拟语气，即 should + 动词原型，should 可省略。
例如：It is suggested that they should begin with the third question. 8. 作形式宾语。
it 作形式宾语，用来替代作宾语的从句、动词不定式、动名词，而把真正作宾语的从句、动词不定式、动名词置于句尾。
it 作形式宾语的常见句型：1) verb+ it+ adj./noun (for/of sb.) to do/clause 此处verb 指 think, believe, suppose, consider, feel, make, keep 等动词。
例如：I think it hard for you to do the task on your own./I think it hard that youll do the task on your own. 2) verb + it + adj./noun (ones) doing 该句型的 adj.指 useless，worth，worthwhile 等； noun 指 no use，no good， worth ones while，a waste of time/money/energy/words 等； verb 常见的有 think, believe, suppose, consider, feel, make, keep 等。
例如：Ill make it worth your while telling me about his secret.3) verb + it +---------------------------------------------------------------最新资料推荐------------------------------------------------------ important/unimportant/necessary/unnecessary/natural/essenti al that (should) verb + it + of much/great/no/little importance that(should) 该句型的 verb 常见的有 think, believe, suppose, consider, feel, make, keep 等。
例如：I think it important that you (should) attend the conference. 4) verb + it+ as+ noun/adj.+ clause 常用的动词有 accept, regard, take, see, view 等。
例如：The lecturer takes it as encouraging when so many students attend his lecture. 5) v. +it + prep. + that owe it to sb. that把归功于 leave it to sb that把留给某人去做 take it for granted that 想当然例如：Dont bother to arrange anything. Just leave it to me to sort out.6) it 用在不能直接跟宾语从句的动词后面，尤其是表示好恶的动词后，enjoy, like, love, dislike, resent, hate, dont mind, be fond of, feel like, see to 宾语从句紧跟 it 之后例如：I hate it you can swim so well and I cant. 6) it 用在不能直接跟宾语从句的介词后面，宾语从句紧跟 it 之后（except that 例外）例如：5 / 12Im for it that you will follow their advice. 9. 用于强调结构 It is/was+被强调部分+ that(who) 强调句型用来强调谓语动词以外的任何句子成分。