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may not have been...与 may have not been ...

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/17 07:39:40
may not have been...与 may have not been ...
"We may not have been proved great adventurers,but have done the greatest march ever made in the past ten years."
可以说成"We may have not been proved great adventurers ...
不能吧.因为此处may是情态动词表可能的意思,是may have been 其对现在完成表的可能,在这里have是助动词,要对may have been 进行否定的话,就是在may后直接加not.英语中如果换成may have not been 是错误的表达