know的过去式和现在分词

know的过去式和现在分词是knew、known。意为知道;知悉;了解;认识到;懂得;意识到;确信;确知;肯定。例句She knew from past experience that Ann would not give up easily.

她凭以往的经验知道安是不会轻易放弃的。

She wouldn\'t change it, even though she knew it was wrong.

尽管她知道这错了，她也不肯改变。

As far as we knew, there was no cause for concern.

就我们所知，没有什么要担心的。

She knew that tenure of high political office was beyond her.

她知道自己与显赫的政治职位无缘。

Had I known that I would never have come.

要是早知道，我绝不会来的。

I haven\'t known him as long as you.

我认识他的时间没有你长。

It\'s known as the most dangerous part of the city.

人们都认为那是市内最危险的地段。