present perfect 加has/have+past participle 而present perfect progressive has/have+been+verb+ingparticiple 过去分词 相关知识点: 试题来源: 解析present perfect 和 present perfect continuous 的最大区别在: 前者表示某事情在过去已经完全完成,可不知道确定时间....
1、Unit 2现在完成时(现在完成时(Present Perfect)现在完成进行时(现在完成进行时(Present Perfect Progressive)现在完成时现在完成时 现在完成时既可用动作动词表示,现在完成时既可用动作动词表示,也可用状态动词表示。一个是也可用状态动词表示。一个是“已已完成完成”(“Finished” Use)用法,用法,一个是一个是“...
现在完成时(Present_Perfect Unit2 现在完成时（PresentPerfect）现在完成进行时（PresentPerfectProgressive）现在完成时 •现在完成时既可用动作动词表示，也可用状态动词表示。一个是“已完成”（“Finished”Use）用法，一个是“未完成”（“Unfinished”Use）用法。不能与确定的过去时间的状语连用。•※当表示过去...
present perfect progressive 现在完成进行时 双语对照 词典结果: presen <阿里巴巴>_玻璃钢风机报价,各种设备型号齐全,低价抢购 <阿里巴巴>玻璃钢风机报价,全球领先采购平台,源头厂家,价格合理,售后无忧!广告 present perfect progressive 现在完成进行 是什么意思?和prese... 和present perfect continuous 的最大区别在: ...
preterite perfect progressive过去完成进行时 future perfect progressive将来完成进行时 present progressive tensephr. 现在进行时 present invt.存在于...之中,存在于 for the present暂时,一时,眼下 present at出席在 相似单词 perfectadj. 1. 完美的,最佳的 2. 完整的,完好的,无暇的 3. 最适当的,理想的 4...
If you want to say the process of “bled dry” has not been completed and it is still ongoing, you use the Present Perfect Progressive Tense like this: “have been being bled dry” Note 1: “bled dry” is an idiom meaning to take away someone’s money; seeidioms.thefreedictionary....
II.Use of Present Perfect Progressive 1.puts emphasis on the duration or course of an action (not the result) Example: Shehas been writingfor two hours. 2.action that recently stopped or is still going on Example: Ihave been livinghere since 2001. 3.finished action that influenced the pr...
Thepresent perfect progressiveexpresses the meaning “until now” and makes the connection between thepastandpresent. Since it is progressive, it usually connotes an idea of continuity. It is often used with prepositional phrases:for + amount of timeandsince + point in time. Ihave been livingin...
So I wonder whether we can use Present Perfect Progressive to demand an explanation/excuse for something? I've only seen it in Present Perfect Simple, not Progressive, so is this possible? What have you done to my computer? Why can't I turn it on now? (I see this one a lot). What...
Use of Present Perfect Progressive puts emphasis on the duration or course of an action (not the result) Example: Shehas been writingfor two hours. action that recently stopped or is still going on Example: Ihave been livinghere since 2001. ...