[不规则动词: know,knew,known]学会了某样东西,或对某地或某人很熟悉;对某事很有把握:
I don't know what this word means. How well do you know Gina? I know that tune.
I knew you would say that.
语法结构
1 know | + 名词短语 | ( + 副词)
How long have you known Peter?
I know Bristol well.
His whereabouts are not known.
表示你对某人、某地或某事的熟悉程度.
2 know | ( + 名词短语) | + about | + 名词短语
He doesn't know about the accident.
Not a lot is known about the surface of Venus.
表示对某个主题或科目的认识。
3 know | + of | + 名词短语
Do you know of anyone who wants a room?
I don't actually know her, but I know of her.
表示对某事或某人有一个大概的、不详细的了解。
4 know | + that分句
Did you know that Helen was a Mormon?
If only I'd known you were in town.
表示对事实的了解.
5 know | + wh-分句
Excuse me,do you know where the nearest bus stop is?
I don't know why she married him.
表示对情况的熟悉程度。
6 know | + wh-词 | + 带to的不定式
Do you know how to swim?
I don't know what to say.
表示做事的技能或知识。
搭配
经常和know连用的状语是：exactly,for certain,full well,perfectly well 和 very well.
I know exactly what you mean.
I don't know for certain.but I think it's a llama.
She knows full well that she's on duty tonight.
和know搭配的动词还有let和get.
If there's anything you need,let me know.
Once you get to know him,he's actually quite nice.
固定短语
'I know'= I agree 我同意,我赞同
That programme is awful. ~I know.
'I don't know '= I disagree我不同意，我不赞同
Exercise makes you fat. ~I don't know about that. I think it's the opposite.
'you know' (1)你知道
You should really be more careful,you know.
强调正在说的事
'you know...' (2)你知道
Mrs Thomas,you know.the substitute teacher,she was telling me...
提供有关某事或某人的额外信息.
'you know' (3)你知道
What is it with the au pair,you know,I mean,she...erm...
表示暂停
'you know what I mean' 你知道我的意思
Danny is a bit unusual. You know what I mean?
表示听你说知的人知道你在说什么.
'you never know '世事难料,天晓得
The law may change.~I doubt it ,but you never know.
表示虽然将来是不确定的,但事情有可能好转.
'not that I know of '=I'm not sure but I think not 据我所知没有
Is Ciaran back from holidays yet?~Not that I know of .
'as/so far as I know' 据我所知
As far as I know,the only vegetarian at work is Karl.
表达对问题的看法,但有可能是错的
for all I know
knowing [...]=taking into accoun what this person is like 考虑到这个人的为人
Knowing Jon,he won't be home till three in the morning.