Judy ____ to Beijing with her parents.

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Judy ____ to Beijing with her parents.
A.don't need to go
B.needs go
C.need to go
D.needn't go

D
这是考察need 作为情态动词还是行为动词
A 错在 don't ,应该为doesn't
B 错在,吧need 理解成行为动词,少了to,因为need 加了s,就理解为行为动词
C 错在,加了不定式,理解成行为动词,但是没用时态,need 要加s
只有把d 理解成情态动词,可以自身否定
此题
judy doesn't need to go to beijing=judy needn't go to beijing
前者是行为动词的用法,后者是情态动词的用法
再问：嗯嗯我也是这样想...但是我记得好像老师说过后面是动作就一定是行为动词...难道是我记错了？？
再答：不是看后面是不是动作来判断是否行为动词还是情态动词 need 作为情态动词，一般只出现在疑问句和否定句中

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