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hAvE DonE 和hAD DonE 怎么用 最好有讲解有题

have done 是从过去发生,截止到现在,比如i have done my homework,我已经写完作业了 ,表示我现在不用写作业了 而had done 是过去的过去发生,截止到过去,比如i had done my homework yesterday 我昨天就完成作业了 这句和 i did my homewor...

1. have done是现在完成时,表示动作发生在过去一直延续到到现在为止.或许动作已完成,或许动作还在进行.如: We have finished our task. 我们已经完成了任务.(强调动作已终止) We have lived here for ten years. 1.我们在这里住了十年了.(表...

当然是had done,因为这是过去过去完成时态,I had done the dishes yesterday morning

Have done是现在完成时,意思大概是一个动作以前开始做,现在还在持续着的。 Had done是过去完成时,大概意思是一个动作发生在另一个动作之前。 比如:I had left my home when my mother got up.

have done 是现在完成时,表示动作在现在时间之前的完成。 had done 是过去完成时,表示动作在过去的一个时间点之前就已经完成了

had done是过去完成时,如果动作发生在相对于过去某一时刻的过去,在过去某时刻已经完成了,就用had done,例如“我昨天三点到家时,露西已经睡着了”对于过去某一时刻的昨天三点,已经睡着了,也就是露西睡着时比昨天三点还早,是昨天三点的过去,...

过去完成时和现在完成时的区别。。。 你再问这两货的区别,百度或任何语法书解说太详细了。

看混了。首先,表示与过去相反,从句必须使用had done 主句必须用would have done,这是硬规定,没商量。其次,表示与过去相反,wish 后用had done,建议你再看一下语法书。

Answer:试比较 (1)一般现在时: I buy a car today. 我今天买了一辆车.(强调的是当前的行为) (2)现在完成时: I have bought a car. 我买了一辆车.(造成的影响就是买了一辆车,并且目前正在使用中) (3)过去时: I bought a car . 我曾经买过一辆车.(...

整个句子的时态不确定,表面看起来像一般过去式(你这句子貌似有点问题。。应该是He is/was/has been said to have had his car lost,整个句子时态由前面的be动词决定) 但后半部分“have had his car lost”是现在完成时。。。 have his car los...

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