what are you和what do you的区别what are you buying book?和what do you buying book?什么区别 什么情况用what are you 什么情况下用what do you

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whatareyou和whatdoyou的区别whatareyoubuyingbook?和whatdoyoubuyingbook?什么区别什么情况用whatareyou什么情况下用whatdoyouw

what are you和what do you的区别what are you buying book?和what do you buying book?什么区别 什么情况用what are you 什么情况下用what do you
what are you和what do you的区别
what are you buying book?和what do you buying book?什么区别
什么情况用what are you 什么情况下用what do you

what are you和what do you的区别what are you buying book?和what do you buying book?什么区别 什么情况用what are you 什么情况下用what do you
what are you buying book?和what do you buying book?
这2个句子都是错误的.
(1) what are you buying book?这个句子是就 you are buying books.的特殊提问句,但这个句子的成分完整,根本不可能作出提问,而且逻辑上,翻译意思上也不通:你正在买书什么?如果你是想问:你正在买什么,就是what are you buying?注意:what are you buying?这个句子成分缺失了:books.而由what代替了.
(2)what do you buying book?这个句子语法上完全错误,正确应该是what do you buy?一般现在时,用动词原形,
基本上 be doing 现在进行时,表示动作正在发生
sb do /does/ sth 一般现在时,表示动作经常发生或表一种习惯