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become的延续性动词是什么?

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/12 12:37:19
become的延续性动词是什么?
就是非延续性动词转变为延续性动词
可以说He became a doctor 10 years ago
He has been a doctor for 10 years
不可以说 He has become a doctor for 10 years所以become 的延续性动词就是be动词be .,