It作形式主语和形式宾语的用法
It作形式主语和形式宾语的用法
一、 it作形式主语
1. 不定式作真正主语常用句式归纳:
It is no use/good/need/help doing…做……没用处/没好处/没必要/没帮助; It is great fun doing做……非常有趣;It is a waste of time/money doing做……简直是浪费时间/金钱的
2. that从句作真正主语常用句式归纳:
1)it+be+过去分词+that…
It is argued that…大家争论……;It is assumed that…假定……; It is believed that…大家相信……; It is agreed that…大家同意……; It is hoped that…大家希望……;It is (well) known that…家喻户晓……; It is reported that…据报道……;It is recommended that…据推荐……; It is rumored that…谣传……; It is said that…据说……;
It is suggested that…有人建议……; It is supposed that…大家推测……; It is thought that…大家认为……;
It is taken for granted that… ……被视为当然
It must be remembered that…务必记住……;
It has been decided that…大家决定……。
2)it+be+形容词+that…
It is clear/obvious that… …很明显;It is important that… 重要的是……; It is surprising that…令人惊讶的是…;It is necessary that… …有必要; It is strange that… ……很奇怪;It is likely/possible that… …很可能。
3)It is a good thing/ news/a fact that… ……是好事情/好消息;事实是……。
4)It seems/appears that…好像是……;It turns out that…结果是……; It happened that…碰巧是……;It occurs to me that…我想到…… It strikes me most that…令我印象深刻的是……;
二、 It 作形式宾语
1) 常用句式归纳:
主语+believe/guess/suppose/think/feel/find/discover/
notice/make/consider…+it+宾补(a.)+真正主语(to do/从句) eg: George made it clear that he disagreed.
2)特殊句式:
see to it that…注意……;
eg:See to it that the windows are shut before you leave.
owe it to…that…把……归功于……;
take it for granted that…认为……理所当然。
3)带it 的习语:
That’s it! 这就对了。
I can’t help it. 我没办法。
You will catch it. 你会受罚的。
We must fight it out. 我们必须战斗到底。
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