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为什么I went to school为什么不写成i did go to school呢?

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/13 08:39:07
为什么I went to school为什么不写成i did go to school呢?
1.过去式在动词上变,把动词的一般式变成过去式即可.went 是go的过去式.
2.过去式肯定式不用助动词 did,否定句和疑问句中才用 did.
I went to school.(肯定式)
Did you go to school?(疑问句助动词 did 要提前,谓语动词一律用原形,不管是第几人称.)
I didn't go to school.(否定句由助动词 did +not 构成,谓语动词一律用原形,不管是第几人称.)
3.肯定句中出现了 did 意思就变了.如
I did go to school.(由于简单句中不能有两个谓语动词,所以此处的did是助动词,表达强调.意思是 “我的确是去了学校.”)
You did a good job.(did 此处不是助动词而是动词 do 的过去式.意思是“你做的很好”)