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.
