They must work hard ,反意疑问用什么?

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They must work hard ,反意疑问用什么?
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They must work hard ,反意疑问用什么?
They must work hard ,反意疑问用什么?

They must work hard ,反意疑问用什么?
这里应该填needn't they?
下面是一些含有must句子的反义疑问句的情况
陈述句含有情态动词must有两种情况：
must表示“必须”,反意疑问句部分为mustn’t…?/ needn’t…?
He must study hard at English,mustn’t he?/ needn’t he?
You must go home now,needn’t you?/ mustn’t you?
We mustn’t be late,must we
Must表示推测：“一定,肯定” 反意疑问句部分与must后面的动词呼应
You must be joking,aren’t you?
He must be ill,isn’t he
注意：用must对过去的动作推测时,反意疑问句部分的助动词用did或have,而对过去的状态推测,反意疑问句部分的be动词用was:
She must have finished her work,hasn’t she / didn’t she
Jack must have arrived here yesterday,didn’t he
He must have been a policeman,wasn’t he

they must work hard, haven't they

needn't they

They must work hard ,isn't?
他们必须努力工作，不是吗？

They must work hard, will they?

needn’t they ？

mustn't they?要是我这记忆还深的话，应该是这个，不过这是高中的反意疑问句考点，小女有些忘了，哈哈！

needn’t they ？

needn’t they

They must work hard ,反意疑问用什么? We must ( )(work)hard. I must work hard 是什么意思 At work,I must work hard he said that they must work hard.这里后面的that代表什么? He said that they must work hard.为什么这句话用了过去式? 是they work all hard还是they all work hard 连词成句 must,work,the,in,can,they,hard,that,workers,time,the,finish,so,work To finish the job is ___ .You must ___ .A.hard work;hard workB.work hard:work hardC.hard work:work harkD.a hard work;work hard We must work hard together是什么意思 Umbrella children must work hard to run. it's (),so we must().A a hard work,work hard B work hard,hard work C hard work,work hard They work hard----------their lessons填空! they all work very hard [ ] [ ]填空 they work hard every day for They work hard at _____(draw). They _____(work) hard every day they work hard是神马意思