you ( )to the meeting this afternoon if you have something to doA needn't to comeB don't need comeC don't need comingD needn't come求原因
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you ( )to the meeting this afternoon if you have something to doA needn't to comeB don't need comeC don't need comingD needn't come求原因
you ( )to the meeting this afternoon if you have something to do
A needn't to come
B don't need come
C don't need coming
D needn't come
求原因
you ( )to the meeting this afternoon if you have something to doA needn't to comeB don't need comeC don't need comingD needn't come求原因
D needn't come
两种形式
实义don't/doesn't need to do
情态needn't do
D needn't come
don't need to do sth/needn't do sth为正确表达
选D 主要考察need的实意动词和助动词
a,d,是助动动词 而a的用法错了
bc应为don't need to come
D need和dare即可是实义动词,也可是情态动词
当它们为情态动词时,dare/need +(not)+ 动词原形
当它们为实义动词时,(don't/doesn't)+dare/need+to+动词原形
例如:I need a dictionary, so I need to go to the bookstore.
(前者是...
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D need和dare即可是实义动词,也可是情态动词
当它们为情态动词时,dare/need +(not)+ 动词原形
当它们为实义动词时,(don't/doesn't)+dare/need+to+动词原形
例如:I need a dictionary, so I need to go to the bookstore.
(前者是情态动词,后者是实义动词)
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