(1)表示来源，根源
The tourists are coming to this country from all parts of the world.
It is a quotation from Shakespeare.
(2)表示原因
The victims suffered from cold and hunger.
The man was rushed to hospital but he died from his injuries shortly afterwards.
(3)表示“从……到……”
I have to drive a hundred miles from home to work.
Where were you last night from ten to twelve?
(4)表示“用……材料”(成品中看不出原材料).
Wine is made from grapes.
Paper is made from wood or rages.
注意from与同样表示材料的of与out of的区别。of表示成品中看得出来原材料。
I’d like to have a look at the blouse of pink silk,please.
The house is built of stone.
out of强调得用某物做……
She made a jacket for her son out of an old coat of her husband’s.
They made curtains out of the cotton print they had brought from Egypt.
(5)可跟表示方位的介词词组或副词under,behind,above,before连用.
He pulled a pistol from under the pillow.
Suddenly a boy jumped on him from behind the door.
This tree has been here from before the First World War.
The couple has just returned from abroad.
Orders to withdraw came from above.