Give him some books to read.He has a family to support.There is a lot of work to do.
问题描述：
Give him some books to read.He has a family to support.There is a lot of work to do.
Give him some books to read.
He has a family to support.
There is a lot of work to do.
这三个不定式分别修饰的是宾语还是主语
答
Give him some books to read.不定式修饰间接宾语some books
He has a family to support.不定式修饰宾语a family
There is a lot of work to do不定式修饰主语a lot of work