www.xltd.net > hAvE BEEn Doing 和hAvE DonE 还有hAD DonE三者的...

hAvE BEEn Doing 和hAvE DonE 还有hAD DonE三者的...

have been doing 是现在完成进行时,表过去发生的动作一直在进行到现在。 We have reading an interesting book since last week. have done 是现在完成时,表在过去发生的动作对现有影响。 So far I have been to Beijing twice. had done 是过...

have been doing 是现在完成进行时,表过去发生的动作一直在进行到现在. We have reading an interesting book since last week. have done 是现在完成时,表在过去发生的动作对现有影响. So far I have been to Beijing twice. had done 是过去完...

你好 为你的解析如下: have had 就是你已经有了什么 比如 I have had this dictionary since I was little. have done 就是你做过什么 比如 I have made a big buzzer shot. 我曾经打球时绝杀过。 had done 就是针对于过去的过去,理解起来就是...

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

1、首先要区分has been done与 had been done的区别:have/has been done 是现在完成时的被动语态。表示某事被做,。 如:The problems have been solved.这些问题已经被解决了。 had been done 则是过去的过去,是过去完成的被动态时...

先按照被动语态区分,havebeendone是被动,其它都是主动(bedone形式都是被动)havedone现在完成时,havebeendoing现在完成进行时(bedoing是进行时,而havedone是完成,be的过去分词是been,于是就是现在完成进行时)willhavedone由于有havedone...

“had been done” 表示过去的过去,是过去完成的被动态时。(当你想说发生在过去的两件事时,就要分清谁先谁后。先发生的用过去完成时,后发生的要用过去时)。 如:The rooms had been cleaned when I came. 我来的时候,房间已经被打扫了。 hav...

1、首先要区分has been done与 had been done的区别: have/has been done 是现在完成时的被动语态。表示某事被做,。 如:The problems have been solved.这些问题已经被解决了。 had been done 则是过去的过去,是过去完成的被动态时。(当你...

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.(...

Have/Has been done 与Have/Has done 的区别前者是被动,后者是主动 给你举个例子吧: 比如说:我已经完成了任务,可以说:I have finished the task.这是主动 如果说任务已经被完成了,你可以说:The task has been finished

网站地图

All rights reserved Powered by www.xltd.net

copyright ©right 2010-2021。
www.xltd.net内容来自网络,如有侵犯请联系客服。zhit325@qq.com