摘要:掌握英语语法是学习英语最基本的一项技能,学位英语考试大纲要求考生掌握一些基本的英语语法。以下是为大家整理的相关内容。更多相关资讯,请关注希赛网英语频道。
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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