need 的用法简介
1、实意动词：1. need sth. They need a change. 2. 肯：need to do sth. 否：don't need to do I need to get some sleep. 3. need doing/ to be done The flowers need watering/ to be watered.
3、名词：There is no need for sb. to do sth. meet a need
5、didn't need to do 本不必做实际上没做My friend spoke good Mandarin so I didn't need to translate the speech for him.
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