英语上根据动词在句法上是否受到主语的人称和数的限制，将英语动词分为限定动词(Finite Forms of Verbs)和非限定动词(Non-Finite Forms of Verbs)。
同时非限定动词也保留了动词的部分特征，有时态和语态的变化，也可以有自己的宾语、表语、状语等，构成非限定动词短语，在逻辑意义上也有其动作的执行者或承受者，叫非限定动词的逻辑主语(Logical Subjects)。
不定式
|
时态语态
|
主动
|
被动
|
|
一般式
|
to do
|
to be done
|
|
完成式
|
to have done
|
to have been done
|
(1)Jean aims
to go tomorrow.h
(2) I was delighted
to meet him.
(3) The clothes are easy
to wash
动名词
|
时态语态
|
主动
|
被动
|
|
一般式
|
doing
|
being done
|
|
完成式
|
having done
|
having been done
|
（1）
Reading is an art.
（2）
Swimming is a good sport in summer.
分词
其表格同上
现在分词
（1）I saw the dog
digging holes in the yard.
（2）
Hearing the news, they immediately set off for Shanghai.
（3）He walked down the hill,
singing softly to himself.
（4）If
traveling north, you must change at Leeds.
过去分词
（1）
developed country;
fallen leaves;
lost child
（2） Half of the guests
invited to the party were foreigners.
（3）She can’t make herself
understood in English.