作业帮照样子写词语：动词形式
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照样子写词语：动词形式
照样子写词语：动词形式
照样子写词语：动词形式
变一般疑问 时态为一般现在时 1 .加助动词 do或 does (主语为第三人称单数时）
2.还原动词 （本身是原形时不用变）
e.g.They go to school every day.Do they go to school every day
He goes to schoo every day.Does he go to school every day
He does his homework every day .(句中does 是实意动词do 的单三形式）
Does he do his homework every day?( 句首的does是加的助动词,后面的do 是陈述句中的实意动词does还原来的）
时态为一般过去时 1.加助动词did 2.还原动词
They went to school yesterday.Did they go to school yesterday?
He went to school yesterday.Did he go to school yesterday?
变否定 1.在主语后加助动词don't /doesn't /didn't 2.还原动词
They went to school yesterday.They didn't go to school yesterday.
They go to school every day.They don't go to school every day.
He goes to school every day.He doesn't go to school every day.
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