mum+had+been+shopping
@父狄3537：英语语法问题 must have been prosperous是个啥时态 -
钟凤18230932035…… must have been prosperous:这个是情态动词的过去式,由于情态动词没有过去式,因此用must+have+been表示过去,即过去一定很繁荣.
@父狄3537：英语时态结构 -
钟凤18230932035…… 第一类:be(“是/存在”)动词的各种时态结构: 一 般 现 在 时 I am…. You are.… He/She/It is…. We/You/They are…. 一 般 将 来 时 (1)(I等各人称) will be…. (2)I am going to be… He/She/It is going to be… We/You/They are going to be… 现 ...
@父狄3537：have been +过去分词,和had been+过去分词,有什么区别? -
钟凤18230932035…… have+been +过去分词,现在完成式的被动语态 English has been taught in China for many years. had+been+过去分词, 过去完成时的被动语态 Cleopatra's nose had been shortened.
@父狄3537：Mum,l have been studying English since 8 o'clock - -----I go out and play with Tom for a while. -
钟凤18230932035…… l have been studying English since 8 o'clock 我从八点就一直在学习.直接用can't 引导反义疑问句,希望得到肯定的答复!
@父狄3537：大学英语考试题啊,你到底有多少坑 -
钟凤18230932035…… 4、__ more careful, his ship would not have sunk.A. If the captain were B. Had the captain beenC. Should the captain be D. If the captain would have been试卷答案是A,然而网友都认为是B,1、首先这个句子是个对过去情况的虚拟条件句表示与过...
@父狄3537：现在完成时的被动语态的公式是什么? - ?是have/has+been+过去分词吗? -
钟凤18230932035…… 现在完成时的被动语态的肯定式为:have/ has +been +done.如: The experiment has been done successfully. 这个实验做得很成功. 现在完成时的被动语态的否定式为:have/ has +not +been +done.如: Tom's novel has not been ...
@父狄3537：had been, has been, has, had 后面加过去分词都是怎么用的? -
钟凤18230932035…… 首先is和was 在现在时态用is 过去事态用was had been /(pp) 是过去完成事态的用法. 一般用在时间方面,如: It had been for 3 years since he left I had finished it yesterday. has been/(pp) p.s.pp 是过去分词 是一般完成事态 she has finished it now she had finished it yesterday
@父狄3537：用have been doing sth结构翻译“我妈妈已经洗衣服洗了三个小时了” -
钟凤18230932035…… My mother has been washing the clothes for three hours already.Paul has not been playing computer games all the time.
@父狄3537：英语选择题技巧 -
钟凤18230932035…… 单项选择是一种容量大、考查面广的题型.它可集中考查词法、句法、语法知识.因此在各级各类考试中,单项选择是必不可少的题型. 要做好单项选择题,首先必须熟练掌握句型、固定搭配、习惯用法、语法等方面的基础知识.还应该了解一...
@父狄3537：must need 的用法和区别 -
钟凤18230932035…… 情态动词是一种本身有一定的词义,表示说话人的情绪,态度或语气的动词,但不能单独作谓语, 只能和其他动词原形构成谓语. We can be there on time tomorrow. 我们明天能按时去那儿. May I have your name? 我能知道你的名字吗? ...
钟凤18230932035…… must have been prosperous:这个是情态动词的过去式,由于情态动词没有过去式,因此用must+have+been表示过去,即过去一定很繁荣.
@父狄3537：英语时态结构 -
钟凤18230932035…… 第一类:be(“是/存在”)动词的各种时态结构: 一 般 现 在 时 I am…. You are.… He/She/It is…. We/You/They are…. 一 般 将 来 时 (1)(I等各人称) will be…. (2)I am going to be… He/She/It is going to be… We/You/They are going to be… 现 ...
@父狄3537：have been +过去分词,和had been+过去分词,有什么区别? -
钟凤18230932035…… have+been +过去分词,现在完成式的被动语态 English has been taught in China for many years. had+been+过去分词, 过去完成时的被动语态 Cleopatra's nose had been shortened.
@父狄3537：Mum,l have been studying English since 8 o'clock - -----I go out and play with Tom for a while. -
钟凤18230932035…… l have been studying English since 8 o'clock 我从八点就一直在学习.直接用can't 引导反义疑问句,希望得到肯定的答复!
@父狄3537：大学英语考试题啊,你到底有多少坑 -
钟凤18230932035…… 4、__ more careful, his ship would not have sunk.A. If the captain were B. Had the captain beenC. Should the captain be D. If the captain would have been试卷答案是A,然而网友都认为是B,1、首先这个句子是个对过去情况的虚拟条件句表示与过...
@父狄3537：现在完成时的被动语态的公式是什么? - ?是have/has+been+过去分词吗? -
钟凤18230932035…… 现在完成时的被动语态的肯定式为:have/ has +been +done.如: The experiment has been done successfully. 这个实验做得很成功. 现在完成时的被动语态的否定式为:have/ has +not +been +done.如: Tom's novel has not been ...
@父狄3537：had been, has been, has, had 后面加过去分词都是怎么用的? -
钟凤18230932035…… 首先is和was 在现在时态用is 过去事态用was had been /(pp) 是过去完成事态的用法. 一般用在时间方面,如: It had been for 3 years since he left I had finished it yesterday. has been/(pp) p.s.pp 是过去分词 是一般完成事态 she has finished it now she had finished it yesterday
@父狄3537：用have been doing sth结构翻译“我妈妈已经洗衣服洗了三个小时了” -
钟凤18230932035…… My mother has been washing the clothes for three hours already.Paul has not been playing computer games all the time.
@父狄3537：英语选择题技巧 -
钟凤18230932035…… 单项选择是一种容量大、考查面广的题型.它可集中考查词法、句法、语法知识.因此在各级各类考试中,单项选择是必不可少的题型. 要做好单项选择题,首先必须熟练掌握句型、固定搭配、习惯用法、语法等方面的基础知识.还应该了解一...
@父狄3537：must need 的用法和区别 -
钟凤18230932035…… 情态动词是一种本身有一定的词义,表示说话人的情绪,态度或语气的动词,但不能单独作谓语, 只能和其他动词原形构成谓语. We can be there on time tomorrow. 我们明天能按时去那儿. May I have your name? 我能知道你的名字吗? ...
