present perfect progressive 现在完成进行 和present perfect 有什么区别present perfect 加has/have+past participle 而present perfect progressive has/have+been+verb+ingparticiple 过去分词

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present perfect progressive 现在完成进行 和present perfect 有什么区别present perfect 加has/have+past participle 而present perfect progressive has/have+been+verb+ingparticiple 过去分词

present perfect progressive 现在完成进行 和present perfect 有什么区别present perfect 加has/have+past participle 而present perfect progressive has/have+been+verb+ingparticiple 过去分词
present perfect progressive 现在完成进行 和present perfect 有什么区别
present perfect 加has/have+past participle 而present perfect progressive has/have+been+verb+ing
participle 过去分词

present perfect progressive 现在完成进行 和present perfect 有什么区别present perfect 加has/have+past participle 而present perfect progressive has/have+been+verb+ingparticiple 过去分词
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.
例如：He has wrote this novel. (没有确定他什么时候写,也不知道什么时候写完)
后者表示某事情在过去已经发生和还在进行到一定的时间,有确定的时间.
例如：He has been writting this novel 6 month ago. (他已经开始写这本小说6个月前and有可能还写的)
past participle 是英语动词的变体,表示在过去的行动.
V ----> V-ing ----> Ved
例如：cry ----> crying ----> cried

present perfect present perfect simple and present perfect continuous Present simple,present continuous,present perfect simple,present perfect continuous present perfect continous是什么 present perfect是什么意思 The present perfect tense 什么是PRESENT PERFECT CONTINUOUS啊? write the sentence in the present perfect 用present perfect tense ,simple past tense , 求 4 个 present perfect progressive 句子 求 4 个 present perfect progressive 句子.. the present perfect tense的中文 present perfect continuous和present perfect simple的区别与用法 什么时候该用 present perfect 什么时候该用past simple? 求 past | past perfect | present perfact 的分别RT present perfect progressive 现在完成进行 和present perfect 有什么区别present perfect 加has/have+past participle 而present perfect progressive has/have+been+verb+ingparticiple 过去分词 use present perfect or simple past tenses:Theuse present perfect or simple past tenses:The Titanic.(sink) in 1912. Simple past VS.present perfect PS:耀快~Use the simple past of___________________________________________.Use the present perfect for_______________________________________.