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过去将来完成时的基本用法

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过去将来完成时的基本用法

在英语语法16多种时态中,过去将来完成时是用的相对较少的一种时态,它表示从过去观点看将来某时某刻某个动作已经完成的一种状态。通常主要用于转述方面,即用于间接引语中。
过去将来完成时基本形式:should / would have done sth.例句:
1. I would have left the building before the murder took place.
在谋杀发生的时候,我就已经离开了这座楼。

2. I thought you would have left by this time.
我想你这会儿已经走了。

3. I would have eaten the breakfast before my friends came in.
在我朋友进来的时候,我已经吃完早饭了。

4. I thought you would have done your homework as soon as possible.
我认为你应该尽快完成作业。

5. I would have finished this project before my boss called me.
在老板给我打电话的时候,我就已经完成了这个项目。

6. I thought you would have fed this litter cat.
我认为你应该喂养这只小猫。

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