You needn't do it right away.(同义句) You —— —— —— do it right away.那问一下这个句子中的need是什么词性啊?

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You needn't do it right away.(同义句) You —— —— —— do it right away.那问一下这个句子中的need是什么词性啊?
You needn't do it right away.(同义句) You —— —— —— do it right away.
那问一下这个句子中的need是什么词性啊?

You needn't do it right away.(同义句) You —— —— —— do it right away.那问一下这个句子中的need是什么词性啊?
don't have to情态动词

don't need to
原句是情态动词
修改后的是不及物动词

need做实意动词,应构成结构need to do
needn’t是情态动词,直接加动词原形

You needn't do it.同义句 You needn't do the washing up:I'll do it later.请问这句话中‘‘needn't ’’ You needn't do the washing up:I'll do it later.请问这句话中‘‘needn't’’ you needn't do it tomorrow.(保持原意) you_________ _________to do it tomorrow. take it easy.You ______ do it now!needn't 还是mustn't You needn't do it now.改为被动语态 it by you know 句型转换:you needn't do it now-----it by you know You needn’t stop me.Even if you dare do it,I won’t allow you to do it. You must go home now ,_____ ______?You needn't do it ,_____ _____? you needn't do it now改为被动语态是it mustn't be done by you now吗 you needn't do it now改为被动语态是it mustn't be done by you now吗 you needn't do it now改为被动语态为什么是 it mustn't be done by you now must i tidy the room now?no ,you( ).you()do it after breakfastA NEEDN'T,MAY B NEEDN'T MUST You ________ it if you don’t have time.A.needn’t to do B.mustn’t do C.don’t have to do --Catharine,I have cleaned the room for you.--- Thanks.You ________ it.I could manage it myself.A needn’t do B.needn’t have done C.mustn’t do D.shouldn’t have done为何不选A It was very kind of you to do the washing-up but you _____ itA. needn’t do B. shouldn’t do C. mustn’t have done D. needn’t have done Thanks.You ______ it.I could manage it myself A.needn’t doB.needn’t have done C.mus...Thanks.You ______ it.I could manage it myself A.needn’t doB.needn’t have done C.mustn’t do D.shouldn’t have done中B和D有什么区别?Catherine,I have You needn't do it right away.(同义句) You —— —— —— do it right away.don't have to不行吗?