问职业的 例(你妈妈是干是什么的?)(what does your mother do?)为什么不能用is就是(what's your mother do?) 为什么不能用be动词?还比如,问外貌的,(what does he look like?)为什么就不能是(what's he l

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问职业的例(你妈妈是干是什么的?)(whatdoesyourmotherdo?)为什么不能用is就是(what''syourmotherdo?)为什么不能用be动词?还比如,问外貌的,(whatdoes

问职业的 例(你妈妈是干是什么的?)(what does your mother do?)为什么不能用is就是(what's your mother do?) 为什么不能用be动词?还比如,问外貌的,(what does he look like?)为什么就不能是(what's he l
问职业的 例(你妈妈是干是什么的?)(what does your mother do?)为什么不能用is
就是(what's your mother do?) 为什么不能用be动词?
还比如,问外貌的,(what does he look like?)为什么就不能是(what's he look like?)
是特殊疑问词提问是后面需要加助动词吗?还是什么?

问职业的 例(你妈妈是干是什么的?)(what does your mother do?)为什么不能用is就是(what's your mother do?) 为什么不能用be动词?还比如,问外貌的,(what does he look like?)为什么就不能是(what's he l
Be 动词后面不可能用动词原型
变特殊疑问句:1.有Be动词,情态动词的,疑问词+Be/情态动词+主语+其他
1.没有Be和情态动词的,疑问词+助动词+主语+其他(后面动词用原型)
询问工作:What does your mother do ?
What is your mother's job?
What is your mother?

先变成陈述句如问外貌的:He looks like... 而looks是谓语动词,已经是谓语,所以变成疑问句时要加助动词,希望对你有帮助,呵呵

你妈妈是干是什么的?What's your mother? What does your mother do? What 's your mother's job?这三个句子都可以,what's your mother do?是错误的,因为what's等于what is ,is是be动词,be动词后不能跟动词原do. what's he look like?同理 look也是动词原形,不能与be...

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你妈妈是干是什么的?What's your mother? What does your mother do? What 's your mother's job?这三个句子都可以,what's your mother do?是错误的,因为what's等于what is ,is是be动词,be动词后不能跟动词原do. what's he look like?同理 look也是动词原形,不能与be一起用,要借用助动词does所以what does he look like?是正确的。或者说:What is he like? like是介词“像”,可以与is一起用。 be like 意思是像 look like “看起来像”

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be动词后一般不跟动词原形
特殊疑问句,动词不提前,加助动词do并提前,如look,do。
what does your mother do?也可以说成What is your mother?或What is your mother's job?
be动词后跟表语。名词,介词,数词,代词等作表语。