Jack has studied Chinese for 2 years.对for 2 years划线提问!
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/17 01:25:34
Jack has studied Chinese for 2 years.对for 2 years划线提问!
How long has Jack studied Chinese?
为什么不是How long have Jack studys Chinese?
(不是讲当在一般现在时中主语是第3人称单数时,变一般疑问句是要把has变为have吗?Jack不是第3人称吗,后面怎么不用studys呢?)
How long has Jack studied Chinese?
为什么不是How long have Jack studys Chinese?
(不是讲当在一般现在时中主语是第3人称单数时,变一般疑问句是要把has变为have吗?Jack不是第3人称吗,后面怎么不用studys呢?)
因为那用的是过去完成时.
have /has +been
三单用has
因为后面要用过去时,studys是一般现代时
[变一般疑问句是要把has变为have]这是谁说的
have /has +been
三单用has
因为后面要用过去时,studys是一般现代时
[变一般疑问句是要把has变为have]这是谁说的
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