Have you paid the taxi-driver?为什么不用Do

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Have you paid the taxi-driver?为什么不用Do

Have you paid the taxi-driver?为什么不用Do
Have you paid the taxi-driver?为什么不用Do

Have you paid the taxi-driver?为什么不用Do
这是个现在完成时的句子,结构是:have/has + 过去分词( paid),改为一般疑问句时把助动词have/has提前到句首,所以不用do,例如:They have finished doing their homework.一般疑问句:Have they finished doing their homework?
如果是一般现在时的一般疑问句就用助动词:do/does + 主语 + 动词原形,如:They go to school by bus.
Do they go to school by bus?

have是完成式,强调的是结果,Do强调的动作

你好,很高兴为你解答。
HAVE YOU PAID 是个完成时
DO YOU 是一般时

具体区别如下:
现在完成时:
表示(1)目前已经完成的动作,或(2)刚刚完成的动作,也可以表示(3)从过去某一刻发生,现在仍然延续着的动作或情况。这个时态强调动作对现在的影响。
The conference has lasted for five...

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你好,很高兴为你解答。
HAVE YOU PAID 是个完成时
DO YOU 是一般时

具体区别如下:
现在完成时:
表示(1)目前已经完成的动作,或(2)刚刚完成的动作,也可以表示(3)从过去某一刻发生,现在仍然延续着的动作或情况。这个时态强调动作对现在的影响。
The conference has lasted for five days. 会议已经开了五天。
He has just bought an unusual car. 他刚刚买到一辆不一般的小轿车。
当句子中出现表示到现在为止这段时间的状语时,谓语动词一般用现在完成时: 这类状语有:up to now, up till now, so far, these days, this summer, for 后面接一段时间的短语或 since 等:
We haven’t seen each other again since we graduated in 1987. 1987年毕业后我们就一直没见面。
Up till now we have established ten projects. 到目前为止我们共上了十个项目。
So far they have only learned the first three chapters. 到现在为止他们只学了前三章。
We haven’t had much rain this summer. 今年夏天没下多少雨。
一般过去时:
一般过去时表示(1)过去某个特定时间发生,并且一下子就完成了的动作(即:非持续性动作),也可以表示(2)过去习惯性的动作。一般过去时不强调动作对现在的影响,只说明过去。
I had a word with Julia this morning.今天早晨,我跟朱丽亚说了几句话。(1)
He smoked many cigarettes a day until he gave up. 他没有戒烟的那阵子,烟抽得可凶了。(2)
一般过去时常与表示过去的时间状语或从句连用,如:yesterday, last week, in 1993, at that time, once, during the war, before, a few days ago, when 等等。
句子中谓语动词是用一般过去时还是用现在完成时,取决于动作是否对现在有影响。
Have you had your lunch? 你吃过午饭了吗?(意思是说你现在不饿吗?)
Yes, I have. 是的,我已经吃过了。(意思是说已经吃饱了,不想再吃了。)
When did you have it? 你是什么时候吃的?(关心的是吃的动作发生在何时。)
I had it about ten minutes ago. 我是大约十分钟以前吃的。
Used to do something 表示过去常做而现在已经停止了的习惯动作。
I used to work fourteen hours a day. 过去常常一天干十四个小时。
希望能帮到你。

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