很多同学在做专升本模拟卷时，遇到英语特定题型经常容易掉入陷阱，没有看清题型的考点。老师为大家提供了经典的例题解析，让学生能掌握这个语法的解题技巧。

例句：It is your gifts that I am very fond of.

这是形式主语还是强调句？一招搞定去掉 "It is ... that ..." 结构，your gifts I am very fond of

➡变成 I am very fond of your gifts.  句子完整！

这是强调句型！ It is ... that ... 结构强调的是 your gifts。

形式主语句型长啥样？看这个例句 

It is very important that you finish your homework on time.

去掉 It is ... that ... ➡变成 very important that you finish your homework on time 不完整！

所以它是形式主语句型！形式主语句型公式：

It is + adj + for sb. + to do sth.

It is + adj + that ...常见搭配：

✔ It is necessary that he be there.（有虚拟语气！）

✔ It is difficult for me to learn French. 还有这些常见句式！It is said that...（据说……）

It is known that...（众所周知……）

It is reported that...（据报道……）

It is obvious that...（很明显……）

It is said that he has gone abroad.（据说他已经出国了。）

It is obvious that she is unhappy.（很明显，她不开心。）

举一反三 It was Tom that broke the window.

去掉 It was ... that ... 

变成 Tom broke the window. 句子完整！

所以它是强调句型！（强调 Tom） It is necessary that he finish the report today.

去掉 It is ... that ... ➡变成 necessary that he finish the report today  不完整

所以它是形式主语句型！（还涉及虚拟语气！）

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