第1个回答 2012-03-11
这是老师讲的:
首先要在句子中判断need是情态动词还是实义动词(就是普通的词),如果是情态动词的话后面的词一定是原形,如果不是的话就请do does 帮忙。下面有几道题。
1 I need play the guitar,_______,________?
2 She need go to school ,_______,________?
3 I need to ride a bike,______,______?
4 The bike needs repairing,_______,_______?
答案:1 needn't I
2 needn't she
3don't I
4 doesn't it
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