1、have done:have done表达即时性操作。 2、have been done:have been done表达延续性操作。 三、用法不同 1、have done:侧重于后主语,事。 i have finished my homework.我已. have done 和 have been done 是 两种不同的完成时态结构,它们的区别和用法如下: 1. 1、being done:与be动词一起构成现在进行时的被动语态(am/ is/ are being done)和过去进行时的被动语态(was/ were being done)。 2、done:done用于完成时,表示已经做好了,一.
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例如这句话:looked at in this way,the situation doesn't seem so disappoint.我用having been look… 首先, there are tasks to complete. There is work to be done.
如何正确理解 had done、have done、have been doing 这 3 种时态? 语法书上的那些解释,看来看去都不是很能理解,也谢绝照搬语法书的解释。 看一次,过一段时间又忘了,总不是能很.
煮(cook的 过去式 、过去分词形式) 短语 steam cooked 蒸煮的 cooked flakes 熟胚 cooked. Done常用于完成时态的句子中,如i have done my homework.(我已经做完了我的作业。) 由于时态和含义的不同,done和did在句子中的用法也有所不同。done常用于描述已经完成的动作. Done in 疲倦不堪 had done 过去完成时 扩展资料 同近义词 1、cooked 美 [kʊkt] adj. have done 是 现在完成时态 的结构,用来表示过去某个时间点以来一直延续.
也就是 there are tasks to be completed there is work to do (一般这种情况下 work指 工作 不可数,.