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ֹֻ¼新概念英语第一册语法总结:过去完成时

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发布时间?019?3?2?08:49:02 来源:环球网?/span> 点击量:

【摘要】小编给大家带来新概念英语第一册语法总结:过去完成时,希望对大家有所帮助?/p>

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?/p>

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?/p>

Yes, she had. / No, she hadn't.?特殊疑问?/p>

What had she done?

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