新概念英語第一冊語法總結:過去完成時
來源: 環球網校 2019-03-22 08:49:02 頻道: 新概念

過去完成時用法:在過去的時間里,兩個動作中,發生在前的哪個動作要用過去完成時。

結構:had+過去分詞

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引導的時間狀語從句放在句首要在句子后面加逗號,如果放在主句后則不用加。★ 變疑問句將助動詞移到句首

Had she finished her homework?★ 變否定句在助動詞后面加not

She hadn't finished her homework.★ 肯定回答及否定回答

Yes, she had. / No, she hadn't.★ 特殊疑問句

What had she done?

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