2021湖南专升本英语复习关于it的这些特殊语法知识你知道吗？

专升本英语复习中有一些特殊的语法知识是需要考生注意的，它通常是英语考试中的常考点。下面湖南专升本网就为大家整理了关于it的一些特殊语法知识汇总，赶快收藏吧！
1．it用作形式宾语时，会将真正的宾语移至句末，其基本结构为“动词+it+宾语补足语+不定式(动名词或从句)”。但是以下几种形式宾语是比较特殊的常考点：
（1）动词+it+介词短语+that-从句（此结构中的动词常见的有take it for granted,bring it to sb’s attention,owe it to sb）。如：I owe it to you that I am still alive.多亏有你我才仍然活着。
（2）动词+prep+it+that-从句（此结构中的动词常见的有see to,look to,insist on,stick to,depend on,answer for等）。如：I can’t answer for it that he will come.我不能保证他会来。
（3）动词+it+that-从句（此结构中的动词常见的有have,take,put,like等）。如You can put it that it was arranged before.你可以说这是以前安排的。
（4）动词+it+when(if)-从句（此结构中的动词常见的有enjoy,hate,love,like,dislike,appreciate,prefer等。）。如：We really appreciate it when she offered to help.她来帮忙了，我们十分感激。
2．it用作形式主语时需注意以下几个特殊句式：
（1）it follows that…。如：He is wrong,but it does not follow thatyou are right.他错了，但并不能由此推断你是对的。
（2）it seems(appears)that…。如：It appears that we may be mistaken.看来我们可能弄错了。但是，英语一般不说it looks that…，可改用it looks as if…。如：It looks as if we’ll be late.我们似乎要迟到了。
（3）it happens(occurs)that…。如：It didn’t occur to him that she would refuse his invitation.他没有想到她会拒绝他的邀请。
3．含it的9个常用特殊句型
（1）It is a waste of time/money doing sth.例如：It’s a waste of time your talking to him.你和他谈是浪费时间。
（2）It’s one’s turn to do sth.例如：It’s my turn to clean the classroom.是轮到我打扫教室的了。
（3）It is said/reported/believed/understood that…例如：It is said that he has joined the Party.据说他已经入党了。
（4）It doesn’t matter…例如：It doesn’t matter what he says.他说什么都没关系。
（5）If it were not for…例如：If it were not for your help,I would still be homeless.若不是你帮忙，我现在还是无家可归。
（6）It makes no/mush difference…例如：It’s doesn’t make much difference my being there.我在不在那儿没有什么影响。
（7）it takes sb.some time to do sth.例如：It took me nearly an hour to work out the problem.花了我差不多一个钟才做出那道题.
（8）It appears/seems/happens/says that…例如：It seems that he is always correct.他好像总是对的。
（9）(It is)no wonder(that)…例如：It’s no wonder he is not hungry;he has been eating sweets all day.难怪他不饿，他整天在吃糖果。