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must have been
must
have
been
和must be的区别在哪里?
答:
must
have
been
和must be的区别在have。因为本句是指对过去情况的推测,所以必须要用“情态动词+动词的完成式”。have在这里表示是动作已经完成。所以must have been是对过去的事实的肯定猜测,must be是对现在事实的肯定猜测。例句:Sorry I made such a fool of myself last night. I must have ...
must
have
been
和must be有什么区别?
答:
must
have
been
和must be的区别在have。因为本句是指对过去情况的推测,所以必须要用“情态动词+动词的完成式”。have在这里表示是动作已经完成。所以must have been是对过去的事实的肯定猜测,must be是对现在事实的肯定猜测。例句:Sorry I made such a fool of myself last night. I must have ...
must
have
been
和must be有什么区别啊?
答:
must
have
been
和must be的区别在have。因为本句是指对过去情况的推测,所以必须要用“情态动词+动词的完成式”。have在这里表示是动作已经完成。所以must have been是对过去的事实的肯定猜测,must be是对现在事实的肯定猜测。例句:Sorry I made such a fool of myself last night. I must have ...
must
have
been
和
mustbe
的区别在哪儿?
答:
must
have
been
和must be的区别在have。因为本句是指对过去情况的推测,所以必须要用“情态动词+动词的完成式”。have在这里表示是动作已经完成。所以must have been是对过去的事实的肯定猜测,must be是对现在事实的肯定猜测。例句:Sorry I made such a fool of myself last night. I must have ...
must
be
和must
have
的区别
答:
综述:
must
have
been
和must be的区别在have在这里表示是动作已经完成。所以must have been是对过去的事实的肯定猜测must be是对现在事实的肯定猜测。重点词汇:must 英[məst]释义:aux.必须;一定;应该,得 n.绝对必要的事物;待发酵的葡萄汁;发霉,潮气 n.(
Must
)(美)穆斯特(人名)...
请问:有没有
must
have
been
?
答:
有
must
have
been
翻译为:一定(对过去事实肯定的推测)例句 1.He must have been working hard these years.这些年来他一定是非常努力的.
must
be和must
have
been
在句子中作什么成份及其时态?
答:
must
be不一定是系动词,后面加doing是现在进行时。must
have
been
本身可以是现在完成时,后面加doing是现在完成进行时
had
to 与
must
have
been
的区别
答:
Had
to 是
have
to 的过去时,表示不得不怎么样。例如:我不得不去学校上课--I
had
to go to school;
Must
have
been
表示非常确定...,如果后面接done,就是你肯定被怎么了,例如:你一定被骗了--you
must
have been cheated;如果后面接形容词,就表示你一定是怎么了,比如:你一定是疯了-...
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...
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