210、need, want
need 和want两者都有“要、需要”之意,但在实际的用法上有不同之处。
一、都可以跟名词或主动的动词不定式及被动的动词不定式:
He needs a new dictionary. 他需要一本新词典。
He wants a new dictionary. 他需要一本新词典。
He needs to buy a new dictionary.他需要买一本新词典。
He wants to buy a new dictionary.他需要买一本新词典。
The house needs to be repaired. 房子要维修一下。
The house wants to be repaired. 房子要维修一下。
二、都可以跟动名词,但动名词的主动式表示被动:
The house needs repairing. 房子要维修一下。
The house wants repairing. 房子要维修一下。
三、want可以跟复合宾语,但need不能;need可以作情态动词,但want不能。例如:
He wanted his son to learn driving. 他要他儿子学驾驶。
Need he return the book today ? 他今天必须还书吗?
You needn't return the book today. 你不必今天还书。
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