Miss Emma needed some flour to make a cake.(改成反义疑问句)Miss Emma needed some flour to make a cake,____ ____ 为什么不是needn't she?情态动词引导的不对吗?

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MissEmmaneededsomeflourtomakeacake.(改成反义疑问句)MissEmmaneededsomeflourtomakeacake,________为什么不是needn''ts

Miss Emma needed some flour to make a cake.(改成反义疑问句)Miss Emma needed some flour to make a cake,____ ____ 为什么不是needn't she?情态动词引导的不对吗?
Miss Emma needed some flour to make a cake.(改成反义疑问句)
Miss Emma needed some flour to make a cake,____ ____ 为什么不是needn't she?情态动词引导的不对吗?

Miss Emma needed some flour to make a cake.(改成反义疑问句)Miss Emma needed some flour to make a cake,____ ____ 为什么不是needn't she?情态动词引导的不对吗?
Miss Emma needed some flour to make a cake,didn't she?
need 作为行为动词(或实义动词)时,有人称、数、和时态的变化,后面可跟名词,代词,不定式,动词ing等,其反义疑问句应借助助动词.本句中needed为过去式,其后是some flour,名词,所以是行为动词的用法,应借助过去时的助动词did来反问.
Do you need some more money?
要不要再拿上点儿钱?
You didn't need to hurry.
你没有必要着急.
need作为情态动词,没有人称、时态和数的变化,need后直接跟动词原形.反义疑问句直接用need来反问.
You need not go.
你没必要去.
Need I come in early tomorrow?
需要我明天一早来吗?
明白了吗?

didn't she 因为陈述句中把need当作行为动词处理的如何判断need是情态还是动词,纠结了,跪求答案- -情态动词后面应该加动词原形的这么简单吗?能详细点吗?谢谢就这么简单。 如:He need go over his lessons because of tomorrow's exams.情态动词 He needs to go over his lessons becaus...

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didn't she 因为陈述句中把need当作行为动词处理的

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didn't she ?