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新概念英语第一册语法总结(十四)
14 need 用法:
·表示“需要”时为实意动词,后面可以加名词,也可以加不定式:
I need a pen. Do you need any beer? No, I don’t.
I need to have a rest.
·Need doing=need to be done,表示被动
The flowers need watering.
·Need在否定时做情态动词使用
You needn’t go so early. =You don’t need to go so early.
Must I clean the desk right now? No, you needn’t.
