为什么“I bought a book ."变为疑问句时动词为原型“buy”
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 15:42:24
![为什么“I bought a book .](/uploads/image/z/12853209-57-9.jpg?t=%E4%B8%BA%E4%BB%80%E4%B9%88%E2%80%9CI+bought+a+book+.%22%E5%8F%98%E4%B8%BA%E7%96%91%E9%97%AE%E5%8F%A5%E6%97%B6%E5%8A%A8%E8%AF%8D%E4%B8%BA%E5%8E%9F%E5%9E%8B%E2%80%9Cbuy%E2%80%9D)
为什么“I bought a book ."变为疑问句时动词为原型“buy”
为什么“I bought a book ."变为疑问句时动词为原型“buy”
为什么“I bought a book ."变为疑问句时动词为原型“buy”
因为 助动词 如do /does/did后面要加动词原形的.更上一层楼!k
did you buy
是的
Did you buy a book?时态体现在助动词上,这里用了did
变形时 助动词后面要加动词原形的
用了助动词did 时态转移了
I bought a book for
为什么“I bought a book .变为疑问句时动词为原型“buy”
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