Jenny bought a star yesterday 怎么改成一般疑问句

问题描述:

Jenny bought a star yesterday 怎么改成一般疑问句

谓语动词bought (买)是buy 的过去,实义动词,变一般疑问时,用助动词do /does 提前.
但我们看到 bought 是过去式,表过去的事情,助动词do/does 变过去式 did
Did Jenny buy a star yesterday?
助动词提前,后接谓语动词用原形.