did是什么意思,did作用意义?

did是do的过去式的意思,而didn't则是do的过去式的否定式,区别可以从以下例子看出:
He did this perfectly, but as I haven't dine enough training and practice, that is why I didn't pass the test. 他做得很完美,但由于我没有足够的训练和练习,这就是我没有通过测试的原因 。

did是什么意思,did作用意义?

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did作用意义?
did的用法:一般用作开头,构成一般疑问句 。用在开头构成否定祈使句 。放在动词的前面,可以加强这句话的语气 。用在倒装句中表示倒装 。
did基本含义 。
v.做,干,办(某事);(以某种方式)做;行动;表现;(问询或谈论时用)进展,进行 。
did和has的区别?
did和has,这两个单词既是助动词也是实义动词,它们的区别是:意思不同,时态不  同,人称不同 。


作为实义动词,
did表示一般过去时态的第一,二,三人称单复数的“做”
例句:
【did是什么意思,did作用意义?】He did dishes  last evening.
has 表示一般现在时态的第三人称的“有”
例句:Tom has a bike.
作为助动词,did用于辅助构成一般过去时态的所有人称的单复数的否定句和疑问句
例句:
Did you have lunch  at school?
Did you have a good meal? 你吃得好吗?
Did your sister go to the park by bus?
I did not go to Shanghai last sunday.
Mike did not do homework  last week.
has作为助动词,只用于构成第三人称的现在完成时态的句子 。
例句:
It has rained for five hours. 雨已经下了5个小时了
He has been to Beijing.
She has watered the flowers. 她已经浇了花 。
He has waited for her for two hours. 他等她已经两个小时了
Has he seen the film?