is和do的区别每次我做英语作业提疑问句,我总是不知道改用is开头还是do开头,这个该怎么区别呀
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![is和do的区别每次我做英语作业提疑问句,我总是不知道改用is开头还是do开头,这个该怎么区别呀](/uploads/image/z/13826117-29-7.jpg?t=is%E5%92%8Cdo%E7%9A%84%E5%8C%BA%E5%88%AB%E6%AF%8F%E6%AC%A1%E6%88%91%E5%81%9A%E8%8B%B1%E8%AF%AD%E4%BD%9C%E4%B8%9A%E6%8F%90%E7%96%91%E9%97%AE%E5%8F%A5%2C%E6%88%91%E6%80%BB%E6%98%AF%E4%B8%8D%E7%9F%A5%E9%81%93%E6%94%B9%E7%94%A8is%E5%BC%80%E5%A4%B4%E8%BF%98%E6%98%AFdo%E5%BC%80%E5%A4%B4%2C%E8%BF%99%E4%B8%AA%E8%AF%A5%E6%80%8E%E4%B9%88%E5%8C%BA%E5%88%AB%E5%91%80)
is和do的区别每次我做英语作业提疑问句,我总是不知道改用is开头还是do开头,这个该怎么区别呀
is和do的区别
每次我做英语作业提疑问句,我总是不知道改用is开头还是do开头,这个该怎么区别呀
is和do的区别每次我做英语作业提疑问句,我总是不知道改用is开头还是do开头,这个该怎么区别呀
is是be动词.
be动词包括:am ,is ,are.
如果把一个句子变成疑问句,首先要看这个句子的动词是什么.
如果句中有be动词,直接把be动词提前.
例如:
This is a pen.有be动词,直接提前,就是Is this a pen?
They are eating apples.Are they eating apples?
如果句中没有be动词,而是实意动词,就得借助于助动词do 或 does 提问.
例如:
They had an oral english class yesterday.
had 是实意动词.借助助动词提问:Did they have an oral english class yesterday?
had 是过去式,所以用did 提问.变为疑问句的时候动词had 要还原为have.
He goes to school by bus everyday.go 是实意动词,就得借助助动词does提问.变为:Does he go to school by bus everyday?
he 是第三人称单数,所以用does 提问,疑问句中goes还原为go
记住,简单来说,英语中只有两种句型:主谓宾 (实意动词所在的句子) 和 主系表(系动词所在的句子)。
而动词的分类可以简单为 实意动词 和 be动词 两种,实意动词指有实际意义的词,比如:like do want leave ... ; 而be 动词就是am is are was were 。
主谓宾的句子变疑问句要提助动词 do does did has have wi...
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记住,简单来说,英语中只有两种句型:主谓宾 (实意动词所在的句子) 和 主系表(系动词所在的句子)。
而动词的分类可以简单为 实意动词 和 be动词 两种,实意动词指有实际意义的词,比如:like do want leave ... ; 而be 动词就是am is are was were 。
主谓宾的句子变疑问句要提助动词 do does did has have will would 以及情态动词can could may 等,比如:I like singing.可变为 Do you like singing? He left at 9 pm. 可变为 Did he leave at 9 pm? I can di it. 可变为 Can you do it ?
主系表的句子变疑问句直接提be 动词就OK了,比如:He is 16. 可变为 Is he 16? I am a student. 可变为 Are you a student ?
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