动词不定式的时态和语态的知识点解析，不清楚的一定要记住！

1.不定式的时态和语态
时态语态
主动
被动
一般式
to do
to be done
进行式
to be doing
完成式
to have done
to have been done
完成进行式
to have been doing
1)现在时：一般现在时表示的动词，有时与谓语动词表示的动作同时发生，有时发生在谓语动词的动作之后。
He seems to know this.
I hope to see you again.=I hope that I'll see you again.我希望再见到你。
2)完成时：表示的动作发生在谓语动词表示的动作之前。
I'm sorry to have given you so much trouble.
He seems to have caught a cold.
3)进行时：表示动作正在进行，与谓语动词表示的动作同时发生。
He seems to be eating something.
4)完成进行时：
She is known to have been wreaking on the problem for many years.
2.动名词与不定式
1）动名词与不定式的区别：
动名词表达的是：状态，性质，心境，抽象，经常性，已发生的
不定式表达的是：目的，结果，原因，具体，一次性，将发生的
2）接不定式或动名词，意义相同。
3）动名词与不定式语义不同的有11组：
1
stop to do
stop doing
2
forget to do
forget doing
3
remember to do
remember doing
4
regret to do
regret doing
5
cease to do
cease doing
6
try to do
try doing
7
go on to do
go on doing
8
afraid to do
afraid doing
9
interested to do
interested doing
10
mean to do
mean doing
11
begin/start to do
begin/start doing