have to do和must to do可互换吗?
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have to do和must to do可互换吗?
have to do和must to do可互换吗?
have to do和must to do可互换吗?
must是情态动词,后面只接动词原形do,它表示主观上的,意味着可以不做的,而have_to是半情态动词,表客观,一定要做的
没有must to do
只有must do ,表示自己认为自己必须
have to do 受外部因素强迫,不得不做
通常不能呼唤
MorphlingNail回答正确,我就不说了:)
祝好!
have to do和must的区别
have to do和must to do可互换吗?
must to do sth 和 have to do sth和need to 的用法急
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