it的用法总结
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it的用法总结和练习
①It is never too old to learn. 活到老，学到老。
②It is easier said than done. 说起来容易做起来难。
③It is no use crying over spilt milk. 覆水难收。
④It never rains but it pours. 不鸣则已一鸣惊人。
一、it的常用固定词组
二、it 做代词的用法
1.Tom has failed in the exam. Have you heard about it?代替前文提到的东西或事情。
2.Tom bought a new house, but it needed lots of work before he moved in. 代替同名同物。
3.Whose room is this? It is theirs.代替指示代词this,that的作用。
4.Let’s go to see who it is. 指明某人某事的身份或不知男女用it。
5.It’s Sunday today.（date）
It is very cold today. （weather）
It is about 8:30 now. （time）
It’s 5 yuan. （value）
It lies in the south of Shaoguan city. （place）
It is 5 kilometers from A to B. （distance）
三、it做形式主语的用法
1.It+ be+ adj+ of/for+ sb +to do sth（用of的形容词bad / brave / careless / clever / cruel / foolish / good（好心的）/ honest / horrible / kind / lazy / modest / naughty / nice（有教养的）/ polite / rude / silly / stupid / wise / wrong（错误的））
2.It+ be+ adj +that/whether +从句（true /easy /hard /necessary /curious / obvious /likely /possible /probable /good /wonderful /natural /certain / natural / strange / normal / unusual/ impossible / pleasant / important）
3.It+ be+ pp（said /reported /believed /supposed/ expected /proved / hoped / thought / known / decided / advised / ordered / demanded ）+that+ 从句
4.it is/was a pity that …it is/was no wonder that …
it is/was a shame that …it is/was no surprise that …
it is/was an honor that …
it is/was a good thing that …
it is/was a fact that …
5. It seems/seemed that/as if …
It happens/happened that/as if …
It appears/appeared that/as if …
6.It hits/hit sb that …It strikes/ struck sb that …
It occurs to sb that …It occurred to sb that …
7.It is/was no use doing sth It is/was no good doing sth
It is/was useless doing sth
四、it作形式宾语的用法
1.Sb +动词+ it +if/ when 引导的宾语从句（like / dislike / hate / enjoy / love / appreciate）
2. 6123结构think / make / find / consider / feel/ believe
3.I take it that you will be leaving for Shanghai soon.认为
The rumor has it that the mayor will resign to take the responsibility for the crisis. 据传
You can count on it that he will arrive on time. 期待
She will see to it that he goes ahead. 确保
You can depend on it that the result will be announced.
五、常用句式。
1.强调句型
基本结构It is/was + 被强调部分+ that(who)+其他部分
一般问句Is/Was it + 被强调部分+ that+其他部分？
特殊问句特殊疑问词+is/was + it + that +其他部分？
2.It takes/ took / will take sb some time to do sth
3.It is time/ about time/ high time that …
It is time for sb to do sth ; It is time for sth / to do sth