it 用法讲解与练习.docVIP

it的用法 it 用作实词（代词）和虚词（助词）。 一、代词：人称代词或者前文刚提到的人或事；作主语还可以表示时间、距离、天气、地点、温度等。 Who is it？Where is my book? It is on the table. 1. My bike is missing. I cant find__ anywhere. A. one B. ones C. it D. that 2. ____ four years since I joined the Army. A. There was B. There is C. It was D. It is 3. Someone is ringing the doorbell. Go and see __. ?A. who is he ?B. who he is ? ? ? C. who is it ? D. who it is 二、虚词（高考考点）： 一）it用作形式主语 替代从句、动词不定式、动名词，把真正作主语的从句、动词不定式、动名词置于句尾。 It替代作主语的不定式的常见句型 1. It be adj. (for sb.) to do sth. 2. It be adj. (of sb.) to do sth. 1） Everyone knows that _______ is dangerous to play with fire, but _______ is difficult is to prevent children from playing with fire. A. it, it B. what, what C. it, what D. what, it 2）I know_____ is important to know my own limitations, but _______ is difficult is to help others to know their own limitations. A. it, it B. what, what C. it, what D. what, it It替代作主语的动名词的常见句型 It’s no good/use doing… It’s (well) worth doing… It’s? no? use?_over?? spilt?? milk.　 A. cry B. crying C. that?you?cry D. for?you?to?cryt作形式主语替代主语从句 ① It is adj. +clause ② It is v-ed that…=sb./sth. is to do ③ It is + noun +从句 1）______ was known to them all that William had broken his promise _____ he would give each of them a gift. A. As; Which B. What; that C. It; that D. It; which 2）_______certain that his invention will make people’s life convenient. A. That’s B. This is C. It’s D. What’s 3）_____ that their daughter got an opportunity to study abroad. A. It’s a exciting news B. This is an exciting news C. This is exiting news D. It’s exciting news 二）it作形式宾语 vt+it+宾补+真正的宾语（to do 不定式，v-ing，宾语从句）。常用的动词有think, believe, make, find, consider, feel，suppose，regard，take，imagine等。 14.The doctor thought ____would be good for you to have a holiday. （10全国Ⅱ） A. this B. that C. one D. it 33.The fact that she was foreign made _difficult for her to get a job in that country（10辽宁） A so B. much C. that D. it “It is/was+被强调部分+that/who+句子的其他部分”。