Question

动词不定式分别在这些句子中充当什么成分？为什么？

To get on well with the classmates is important for me.
Who wants to have another try?
Dad went to the hospital to see his friend.

Answer 1

To get on well with the classmates is important for me.
动词不定式作主语，谓语动词是is。

Who wants to have another try?
这里动词不定式作want的宾语。

Dad went to the hospital to see his friend？
动词不定式作目的状语。

祝你学习进步，更上一层楼！(*^__^*)

Answer 2

1：作主语 在句首
2：作宾语 修饰who want
3：作目的壮语 表示去医院看他的朋友

Answer 3

1. 主语
2宾语
3状语