to后面加什么形容词形容词后面加to do sth
2个回答

不定式放在adj后面通常做宾补,或者是句子的真正主语.

It is very useful to keep a ditionary .(It做形式主语,to do做真正主语)

It very gald to see there.在这里遇见你真开心.

不定式补充说明开心的原因.

如果to是介词,后面就加n或V-ing.

I look foward to having a holiday.我希望有个假期.(to是介词,后面接ing)

It is to you.这是给你的.后面接代词.