know过去式是什么怎么写
过去式:knew
过去分词:known
第三人称单数:knows
现在分词:knowing
I don't know what to make of the new manager.
对于这位新经理,我不知道该如何评价。
These problems are all in your mind, you know.
要知道,这些问题不过是你的凭空想象罢了。
You'll like her once you get to know her.
一旦你对她有所了解,就会喜欢她的。