•[+ (that)] I presume (that) they're not coming, since they haven't replied to the invitation.鉴于他们没有回覆邀请，我认为他们不会来了。

•[+ speech] You are Dr Smith, I presume?我想你是史密斯博士吧？

•"Are we walking to the hotel?" "I presume not/so."“我们要步行到旅馆吗？”“我想不是／是的。”

•[+ obj + adj] The boat's captain is missing, presumed dead (= it is believed that he is dead).这艘船的船长失踪了，可能是死了。

•In British law, you are presumed innocent until you are proved guilty.按照英国法律，你在证明有罪之前，一律假定是无辜的。

•[+ obj + to infinitive] The universe is presumed to contain many other planets with some form of life.据推测，宇宙中很多其他行星上有某种形式的生命存在。

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•[+ to infinitive] I wouldn't presume to tell you how to do your job, but shouldn't this piece go there?我不想冒昧地教你该如何工作，但这个零件不是应该装在那里吗？

•I don't wish to presume (= make a suggestion although I have no right to) , but don't you think you should apologize to her?恕我冒昧，但你难道不觉得应该向她道歉吗？

•He presumes on (= takes unfair advantage of) her good nature.他利用了她的善良本性。