新概念英语第一册语法学习:过去完成时
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★以下是中国招生考试网 http://www.chinazhaokao.com)英语资源频道为大家整理的《新概念英语第一册语法学习:过去完成时》,供大家参考。更多内容请看本站英语资源频道。·新概念第一册英语语法:need的用法(2015-07-06)
·新概念第一册英语语法学习:倒装句(2015-07-06)
过去完成时
用法:在过去的时间里,两个动作中,发生在前的哪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。
★ 变疑问句将助动词移到句首
Had she finished her homework?
★ 变否定句在助动词后面加not
She hadn't finished her homework.
★ 肯定回答及否定回答
Yes, she had. / No, she hadn't.
★ 特殊疑问句
What had she done?
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