4 不定式的进行式（同时进行）完成式（先于谓语）
He seems enjoying himself. I am glad to have seen your father. The book is said to have translated into many languages.
不定式的用法（省略to）
1 It is 形容词 of / for sb to do sth It is kind of you to say so. =You are kind to….
It is important for her to attend the meeting.

常见的of 搭配的形容词有：absurd, brave(bold),

独立结构作状语
The rain having stopped， they started the match again. The boy returned, his face covered with sweat.
careful(careless), clever, considerate, cruel, foolish, good, grateful, kind,nice,rude, silly, stupid, wise, thoughtful, wicked wrong等表示人物性格、特点的。
不定式的用法
2
做后置定语
Cf.He had no one to talk to. He had no time to talk. (p143)
3 动词+疑问词+to do Can you show us how to write a resume?
Where to get the book is what I want to know.
分词：现在/过去

现在分词表示主动、进行意义，过去分词表示被动、 完成意义
You may ask the lady sitting at the desk. The arrested murderer will be tried soon.

特别注意： 分词作状语的情况
Hearing the knock on the door, they stopped talking. Asked to work overtime that evening, I missed the film.
英语语法（三）
动词
非谓语动词
不定式 : to do
现在分词： doing
过去分词： done
不定式的用法 (1)
I ’ve something to declare. He failed to entirely understand it.
They decided not to give up.
5用在had better, would rather(sooner)… than, would … rather than, cannot but…, can’t help but…的习惯用法中 6 用在do anything/nothing/everything but中 ( 有do) I did nothing but watch movies. I told him nothing but to stop talking. 7. 其他情况（p144）