提分秘籍】
1.for表示原因时,常与sorry,famous,punish,praise,thank,blame等词连用。如:
I am sorry for what I said to you.
2.at表示引起某种情感变化的原因,常与表示看、听或喜、怒、吃惊的词连用,意为“因听到或看到……而……”。如:
He was surprised at the news.
3.from常接抽象名词表示自然、间接或外在的原因,如受伤、车祸等。如:
He died from the wound.
4.of多用于表示自身或内在的原因,如病、饿等。如:
The old man died of hunger.
5.with指生理上或情感上由外界到内心的原因。如:
Hearing the news, he jumped with joy.
He was shaking with anger.
6.by表示外部的,尤其是暴力的或无意中造成某种结果的原因。如:
She took your umbrella by mistake.