must have/ must have been的区别
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/06/01 23:43:14
must have/ must have been的区别
must have done是主动式,must have been后面可以跟doing或者done(被动式)
must have/ must have been的区别
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must have working hard与must have been working hard的区别
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MUST have been done
must have been
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must have been done must have done
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