英语怎么改疑问和否定句的方法
1人问答
问题描述：
英语怎么改疑问和否定句的方法
邵志峰回答：
一般疑问句：
如果是带be动词的句子,把be动词提前就可以了,如：
Heisdoinghishomework.
Ishedoinghishomework?
Theywereathomeyesterday.
Weretheyathomeyesterday.
如果是实义动词的,则要在句首加一个相应时态的助动词,因为前面已经有助动词了,实义动词就要用原形,如：
Hegoestoschoolbybikeeveryday.
Doeshegotoschoolbybikeeveryday?
TheywenttoBeijinglastweek.
DidtheygotoBeijinglastweek?
否定句：
如果是带be动词的,在be动词后面加not就可以了,be动词可以和not连在一起缩写,如：
Sheisastudent.
Sheisn'tastudent.
Wewereatschoolyesterday.
Weweren'tatschoolyesterday.
如果是实义动词的句子,在主语后面用相应时态的助动词加not,可以缩写,后面的实义动词变回原形,如：
Shegoestoworkbybuseveryday.
Shedoesn'tgotoworkbybuseveryday.
TheyboughtaTVyesterday.
Theydidn'tbuyaTVyesterday.
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