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need not 和do not need 为什么可以说She need notspend much money?不是n

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need not 和do not need 为什么可以说She need notspend much money?不是need to do
need not 和do not need 为什么可以说She need notspend much money?不是n
need not 和do not need 有区别,前者need是情态动词,用法和can, must, may 等一样,其后直接加动词原形,否定形式在其后加not;后者need是实意动词,用法和go ,come,read等一样,其否定形式需要在其前面加助动词don't 或doesn't.She need not spend much money?=She doesn't need to spend much money?