be used for后跟动词ing形式或名词。be used for意思是为...而用。例句：This pen is used for writing.The knife is used for cutting grass.
be used for例句
1.This telephone should be used for outgoing calls.
这部电话用于打外线。
2.Some of the space will at first be used for storage.
一些空间将首先用于贮藏。
3.The money will be used for the upkeep of the park.
这些钱将用于该公园的维护。
4.The sausage can be used for cooking.
香肠可以用来做饭。
5.Whole meal flour can be used for bread making.
全麦面粉可以用来制作面包。