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“must have done”和“must have been doing”的区别是什么?
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推荐答案 2018-02-15
must have done和must have been doing的区别:
您好。两者都是表示肯定的推测。
must have done:是说你肯定做了某事。
must have been doing:译为肯定当时正在做某事,只有意思的区别。
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“
must
have
done
”
和
“must have
been
doing
”
的区别是什么?
答:
您好。两者都是表示肯定的推测。
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只有意思的区别
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done
和must
be
doing
造句
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