英语常见时态(5)

1如何去掉羞怯那层茧

me that evening.

2．过去完成时

（1）表示过去某时间前已经发生的动作或情况，这个过去的时间可以用by，before等介词短语或一个时间状语从句来表示；或者表示一个动作在另一个过去动作之前已经完成。例如：

1）We had just had our breakfast when Tom came in.

2）By the end of last year they had turned out 5, 000 bicycles.

（2）动词expect, hope, mean, intend, plan, suppose, wish, want, desire等用过去完成时，表示过去的希望、预期、意图或愿望等没有实现。例如：

I had meant to take a good holiday this year, but I wasn’t able to get away.

另外两种表示“过去想做而未做的事”的表达方式是：

1）was / were + to have done sth, 例如：

We were to have come yesterday, but we couldn’t.

2）intended (expected, hope, meant, planned, supposed, wished, wanted, desired) + to have done sth, 例如：

I meant to have told you about it, but I forgot to do so.

（3）过去完成时常用于以下固定句型：

1）hardly, scarcely, barely + 过去完成时+ when + 过去时。例如：

Hardly had I got on the bus when it started to move.

2）no sooner +过去完成时+ than +过去时。例如：

No sooner had I gone out than he came to see me.

3）by (the end of ) +过去时间，主句中谓语动词用过去完成时。例如：

The experiment had been finished by 4 o’clock yesterday afternoon.

3．将来完成时

将来完成时表示在将来某一时刻将完成或在另一个未来的动作发生之前已经完成的动作；也