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It的用法
It的用法在高考中也是重现率较高的语言点，尤其是it用于强调句。其考查方式多通过“单项填空”进行，偶尔也出现在“短文改错”和“完形填空”中。
一、要点点拔
1．代替上文中提到过的人或事物。指代人时，一般用于小孩或身份不十分明朗的人。
1) －Who is the baby?
－It‘s my teacher’s son．
2) －Who is that gentleman?
－It's my friend Tom．He(不可用It) wants to see you．
2．用于表达天气、环境、时间、距离、季节等。例如：
1) It’s half an hour’s walk from here to our school．
2) It‘s nice and warm here．
3) But it's two o'clock now, and it's time for us to go to school．
3．用作形式主语.it 没有具体意义，而只是帮助把真正的主语移至句子后尾，使句子显得平稳一些，能借it 给移至句子后尾的主语有三种：一种由不定式表示，一种由动名词表示，一种由从句表示。
1).It 替代真正的主语——动词不定式短语.
It is easier to say than to do .
It is a good act to help the others.
2).it 替代真正的主语——动名词短语,以动名词短语做主语的句子，主要在以no good, no use, no harm, dangerous, foolish 等词作表语的句中.
It’s no harm drinking running water in that area。
It’s foolish talking like that.
3).it 替代从句作主语，用从句做主语的带it 的句子很多,常见的有下面几类：
①It is a pity (a shame ,a fact ,a wonder ,a good thing, etc. ) that…
It is a shame that he didn’t pass the exam.
②It is strange ( surprising, obvious ,true, good, possible, clear, etc. ) that…
It was clear that they had no desire for peace.
③It seems (happened ,turned out, etc.)that…
It seemed that things were not as they expected.
④It is said ( decided ,expected ,etc)that …
It is said that the tickets have been sold out.
4.用作形式宾语。
当复合宾语中的宾语是不定式,－ing短语或从句往往用it作形式宾语,而将真正的宾语移至句末,句子重心后移。
1) We find it difficult to learn English well in such a short time．
2) We think it no use crying over spilt milk．
3) We made it clear when and where we were going to have the meeting．
二、综合练习
（一）英文翻译成中文
1.It’s easy for me to learn English.
2.It is difficult for me to drink so much water in one hour.
3.It’s difficult for the CLEVER boy to swim.
4.It is easy for us to join the football team.
5、It’s dangerous for us to swim IN THE SEA .
6.It is difficult for Lulu to cook some delicious food.
7．It’s happy for woman teacher to teach us.
8.It is easy for him to go different companies.
（二）英文翻译成英文
1、对于那个胖孩子来说骑车是困难的。
2、对于玛丽来说做数学作业是没用的。
3、对于那个矮男孩来说加入篮球队是勇敢的。
4、把英语学好是有用的。
5、对于那个老人来说爬树是危险的。
6、保持我们的环境干净和整洁是非常重要的。
7、对于那个笨女孩来说找到答案是很困难的。
8、对于那个女孩来说放学去购物是不可能的。
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发表于 2016-7-6 12:06:47
