搜搜做题作业网快,很急,在线等.英语高手进!
来源：学生作业帮 编辑：搜搜做题作业网作业帮 分类：英语作业 时间：2024/05/10 10:31:47
快,很急,在线等.英语高手进!
疑问句中的do,does,have,has,is,are,was,were,shall,could,can的用法是什么?它们的区别在那里?
疑问句中的do,does,have,has,is,are,was,were,shall,could,can的用法是什么?它们的区别在那里?
do:对含有一般动词的句子提问,eg,Do you know her name?
does是do的单三形式,主语为he,she等使用,例如,does she know me?
have作为虚词对完成时提问,例如,have you done it yet?
has 是have 的单三形式,例如,has she done it yet?
are是对一般的含有be动词的主语为复数的句子提问,例如,are you/we/they students?
is则是are的单数形式,例如,is she a student?
was是is 的过去式,例如,was she reading just now?
were是are过去式,例如,were they playing basketball this time yesterday?
shall对将来时提问,shall we go there?
could,can的用法差不多,例如could/can you tell me her name?
does是do的单三形式,主语为he,she等使用,例如,does she know me?
have作为虚词对完成时提问,例如,have you done it yet?
has 是have 的单三形式,例如,has she done it yet?
are是对一般的含有be动词的主语为复数的句子提问,例如,are you/we/they students?
is则是are的单数形式,例如,is she a student?
was是is 的过去式,例如,was she reading just now?
were是are过去式,例如,were they playing basketball this time yesterday?
shall对将来时提问,shall we go there?
could,can的用法差不多,例如could/can you tell me her name?