五年级英语语法最新：过去完成时

为了帮助小学生了解小学学习信息，威廉希尔app 分享了五年级英语语法最新：过去完成时，供您参考!

用法：在过去的时间里，两个动作中，发生在前的那个动作要用过去完成时。

结构：had+过去分词

After she had finished her homework, she went shopping.

They had sold the car before I asked the price.

The train had left before I arrived at the station.

After/before引导的时间状语从句放在句首要在句子后面加逗号，如果放在主句后则不用加。

1.变疑问句将助动词移到句首

Had she finished her homework?

2. 变否定句在助动词后面加not

She hadn’t finished her homework.

3. 肯定回答及否定回答

Yes, she had. No, she hadn’t.

4.特殊疑问句：

What had she done?

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