网络过去完成式 网络释义 1. 过去完成式 过去完成式(had PP):表示过去某时间为止已有过或未有过的经验或指在过去某时间之前的继续动作。例:He had been there f… tw.knowledge.yahoo.com|基于2个网页
was/were+v-ing是过去进行时,描述过去正在进行的事情be+pp是被动语态的形式,表示动作被做had+pp.与 have\has+pp都是完成时态,都表示动作已经完成,只是前者是在另一动作前就已经完成,而后者强调此时已经完成,并对于现在产生影响 相关推荐 1was were+动词ing与be+动词过去式区别,had+pp.与have\has+pp.的区别...
解析 Pp是英语中用来指代“过去分词”的,完整的英语是past participlehas/have donehad donehas/have been donehad been done以上结构中的done就是代表了过去分词,你也可以写成pp结果一 题目 完成时态中pp是什么意思hashad 加pp 答案 Pp是英语中用来指代“过去分词”的,完整的英语是past participlehas/have done...
可以使用 I wish I had+ pp的形式,表示“如果过去……的话该多好啊”。 例句 I wish I had been married to you. 如果和你结婚该多好啊。 I wish I had told you before. 如果之前告诉了你该多好啊。 That's a good point. Now I wish I hadn't told Julie. 说的没错。现在我倒希望没和朱莉...
未来完成式 will have+PP 3. 含义 1. 发生事情跟结果状况: 已经干嘛干嘛了 2. 过去经验: 通常会...
1.如果 pp=present participle 用writing做例子， 不同情况有不同时间式用途如下： I had been writing for a long time when the phone rang.-'had been writing' - past perfect continous tense I have been writing this letter since this morning.'have been writing'- present perfect ...
首先is和was 在现在时态用is过去事态用washad 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... 分析总结。 首先is和was在现在时态用is过去事态用washadbeenpp是过去完成事态的用法结果...
1. 一般现在时 He cleans the blackboard. The blackboard is cleaned by him.2．一般过去时 He cleaned the blackboard. The blackboard was cleaned by him.3．一般将来时 He will clean the blackboard. The blackboard will be cleaned by him.4．现在进行时 He is cleaning the black...
Unit 12,Life is full of the unexpected. Period 4,Review,主语+had+过去分词v-pp.(done),肯定句:主语+had+过去分词. 否定句:主语+had+not+过去分词. 一般疑问句:Had+主语+过去分词? 肯定回答:Yes,主语+had. 否定回答:No,主语+hadnt . 特殊疑问句:特殊疑问词或词组+一般疑问句(Had+主语+过去分词)?
倒装: Had I time,I would come.这里had为实意动词为什么可以倒装？不可以。只有当 if 从句中含有 should, were, had done 的情况下，才可以省略 if ，把 should, were, had 提前，产生部分都装。例如：Had