Ben did his homework after school yesterday.(改为否定句）
Ben ---- -------- his homework after school yesterday.
Ben did his homework after school yesterday.(改为否定句）
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解决时间 2021-12-29 07:52
- 提问者网友：做自己de王妃
- 2021-12-28 09:31
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- 五星知识达人网友：青灯有味
- 2021-12-28 10:06
Ben 【didn't】【do】 his homework after school yesterday.
助动词后用动词原形,主动词本身变成过去时态的否定形式
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- 1楼网友：西风乍起
- 2021-12-28 10:25
这下我知道了
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