have to和must怎么变成一般疑问句（是have to不是have）

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have to和must怎么变成一般疑问句（是have to不是have）
have to和must怎么变成一般疑问句（是have to不是have）

have to和must怎么变成一般疑问句（是have to不是have）
have to 变一般疑问句时在句首加DO
2 把must 提到句首.如
They have to clean the floor .-> Do they have to clean the floor
They must clean the floor .-> Must they clean the floor
加油!不明白再问!

have to 的一般疑问句用助动词 do 或者 does 开头。
must 的一般疑问句直接用 must 开头。

例如：Do you have to go now?
Must I go now?

have to 可以看成一个整体，即一个动词，变成疑问句时必须用助动词来提问，和一般的动词一样用法，而must则是一个情态动词，在句子里可以直接放到句首来提问，无须再加助动词。例如：Do I have to get home at nine?我必须要在9点到家吗？/ Must I get home at nine?我必须要在9点到家吗？...

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都用take care of my little sister 做情境
Do I have to take care of my little sister? (加在句首助动词do)
Must I take care of my little sister? （把must提前）

have to和must怎么变成一般疑问句（是have to不是have） We must go to school on time变成一般疑问句 Linda and Lucy have come to China.变一般疑问怎么变 Linda and Lucy[变or吗] 英语：疑问否定句中need和must怎么区别 I have to get up at 6 o,clock everymorning.变否定句疑问一般疑问 She must study hard 改成一般疑问 they go to school by bus.(变成一般疑问) 对了,还有.It's far.(变成否定句）we all must the traffic rules.(空格里面填什么)?we all must the traffic rules.(must后面填什么)?A.know B.knows C.look have to和must的区别 have to do和must的区别 must和have to的区别是什么? 英语have to和must的区别 must和 have to有什么区别? I must eat all dish in the food.的一般疑问名怎么写 students must finish their homework every day改为一般疑问和否定句用must,have to造句两个肯定句两个否定句一个一般疑问句并进行肯定和否定回答 she is from china.变成一般疑问 She can draw.变成一般疑问 must提问要换词吗?例：we must go to school now.(一般疑问）是Must we go now 吗?还是其他的?