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must have been
must
have
been
和must have done有什么区别?
答:
must
have
been
代表持续性,must have done 指的是动作,肯定已经做过
must
be
和must
have
be有什么区别
答:
简单地说:对过去情况作推测,用
must
have
been
;所对现在情况作推测,用must be.比较:He must be ill. 他一定是病了.(指现在有病)He must have been ill. 他当时一定是有病 / 他一定生过病.(指过去有病)He must be very rich. 他一定非常富有.(指现在有钱)He must have been very...
must
be
和must
have
的区别
答:
简单地说:对过去情况作推测,用
must
have
been
;所对现在情况作推测,用must be.比较:He must be ill. 他一定是病了.(指现在有病)He must have been ill. 他当时一定是有病 / 他一定生过病.(指过去有病)He must be very rich. 他一定非常富有.(指现在有钱)He must have been very...
can't
have
been
和
must
have been 每一个的用法
答:
只要记住这:
must
have
been
...那时一定是can't have been...那时不可能是 再好好理解这几人句子,相信你就理解啦.He can't have been ill.He must have been tired.She can't have been forty.She must have been fifty.He can't have been the youngest.He must have been the oldest....
must
have
been
driving用来表示什么肯定的推测?
答:
must
have
been
doing 这个结构表示对过去正在发生的动作的肯定推测 must have been driving 过去一定正在驾驶
must
have
been
doing的用法
答:
意思是 一定一直都在做某事 She is so tired .She
must
has
been
working all the morning.她很疲劳了 她一定工作了一个早上 must
have
been doing 表示肯定的猜测 并且猜测这种动作,或者行为一直持续到现在
must
have
done和must have
been
doing的区别
答:
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。
有
must
+
has
+
been
+do的用法?
答:
“
Must
has
been
do” 不是一个正确的用法。应该使用 “
must
have
been done” 来表示过去发生的某个动作或事件。“Must have been done” 是一种情态动词的完整形式,用于表示对过去发生的事情的推测或肯定。它由 “must”(必须)和 "have been ...
“
must
have
done”和“must have
been
doing”的区别是什么?_百度...
答:
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。
must
have
done和must have
been
doing的区别
答:
如:Tom
must
have
been
playing basketball.汤姆肯定是一直在打篮球.2 同样,把must have+been done--把这个和must have +done进行比较,仔细看看比较加号后面的:must have +done must have+been done be done表示被动,表示什么人或物被怎么样了,那要放到must have +done里面去,就要符合过去分词的...
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