五、动词不定式的时态

1.不定式的三种时态

2.一般式

（1）表示将来即表示发生在谓语动作之后的动作。

We decided to leave early.我们决定早点动身。

We expect him to come in time.我们希望他能及时来。

（2）表示与谓语动作同时发生的动作。

I find him to be a cheat.我发现他是个骗子。

He is said to be very rich.据说他非常富有。

3.完成式

（1）表示发生在谓语动作之前的动作。

I hate to have quarreled with her.我后悔和她吵架了。

It’s said to have been built in the Ming dynasty.据说它是明朝修建的。

（2）表示过去未曾实现的想法，愿望或计划。

I should like to have come earlier.我本想早点来的。

We were to have been married last year.我们本来打算去年结婚的。

I wished to have bought a car，but I had no money.我希望买辆车，但我（当时）没有钱。

I intended to have come.我本打算来的。（但没来）

4.进行式

（1）表示与谓语动词同时发生时的动作。

He seems to be reading the book.他好像在读那本书。

He is believed to be studying abroad.人们说他在国外学习。

Don’t pretend to be working hard.不要假装努力工作。

I discovered him to be eating in the room.我发现他在房间里吃东西。

（2）表示将来的动作。

He was happy to be coming home.就要回家了他感到高兴。

The old man seems to be dying.这老人似乎要死了。