know加how to do可以,沒見過直接加to do sth.或doing sth一般是直接加名詞know 作 “見到過；聽到過”[一般用于過去時或完成時]：但不是固定know+to do sth 固定句型I've never known him to cry.我從未見過他哭泣.

know后面加doing還是todo

know加how to do可以,沒見過直接加to do sth.或doing sth一般是直接加名詞know 作 “見到過；聽到過”[一般用于過去時或完成時]：但不是固定know+to do sth 固定句型I've never known him to cry.我從未見過他哭泣.

think作謂語,一般也是加賓語或從句作“料想；猜想；相信”意,可以像下面那樣翻譯,但不是think + to do sth 的固定句型I didn't think to see my boss in the party.我沒想到會在聚會上見到我的老板.

Know的例句

I don't know the name of the place...

我不知道那個地方的名字。

I know that you led a rifle platoon during the Second World War...

我知道你在二戰(zhàn)期間率領一個步槍排。

Gifford was a friend. I'd known him for nine years...

吉福德是我的一位朋友。我和他認識9年了。

Do you two know each other?...

你們倆互相認識嗎？