past perfect tense (过去完成时 )过去完成时表示一个动作或状态在过去某一时间或动作之前已经完成或结束,也可能是早已完成或结束,即“过去的过去”;也可以指过去的动作延续到过去的某个时刻. 过去完成时由“had +动词的过去分词”构成, had通常用于任何人称.过去完成时主要有以下几点用法 1. 表示过去某一时间或...
相关知识点: 试题来源: 解析 present perfect tense,past perfect tense现在完成时和过去完成时用法的区别在于,看他们有无两个表过去的时间,若有,就用过去完成时!1.现在完成时表示过去发生某动作从过去一直持续到现在(将来还有可能继续下去)...反馈 收藏 ...
Simple past tense and present perfect tense一般过去时和现在完成时There are some differences between the一般过去时和现在完成时之间有一些simple past tense and the present perfect区别。tense.. We use the simple past tense to tell what我们使用一般过去时来讲述过去发生happened in the past.的事情。Daniel...
Grammar语法Simple past tense and present perfect tense一般过去时和现在完成时一般过去时和现在完成时之间有一些不There are some differences between the simple past同的地方 。tense and the present perfect tense.· 我们用一般过去时述说过去发生的事。. We use the simple past tense to tell what happened...
past perfect tense : had/hadn't+pp. e.g.I had finished my work already last night. present perfect tense : have/has/haven't/hasn't+pp. e.g.I have given my homework to Miss Lee already. e.g.May hasn't returned her book yet. *you add 'already' and 'yet'* 看...
教材原文精准译文Simple past tense and present perfect tense一般过去时和现在完成时There are some differences between the simple past一般过去时和现在完成时之间有一些tense and the present perfect tense.区别。TIP We often use these time expressions with the提示 我们经常把这些表示时间的词语simple past ten...
1. 现在完成时用来描述一个从过去开始并持续到现在的事件，可能会继续下去。它通常与时间段“for”或时间点“since”连用。例如：“I have studied English for 3 years.”（我学英语已经三年了。）这里的“studied”表示从过去（三年以前）开始的学习一直持续到现在，并且可能会继续下去。2. 过去完成...
教材原文汉语译文Simple past tense and present perfect tense一般过去时和现在完成时There are some differences between the simple past一般过去时和现在完成时之间有一些不同tense and the present perfect tense.的地方。. We use the simple past tense to tell what happened in· 我们用一般过去时讲述过去发生...
ADAM英语句子分析0014 Present Perfect vs. Past Tense vs. Present Perfect Progressive(prepared by: alexcwlin; edited by: Adam Lam)(某些措辞可能不雅或冒犯, 请读者原谅和自行选择) #0014 Sentence to Analyze:[The company’s coffers have been bled dry from years of unrestrained spending, and for qui...
C Simple past and present perfectTenseUsed forExample时态用于例句actions thatI bought a new bicyclehappened发生在过去的昨天我买了一辆新yesterday.in the past动作自行车。Simple一般pastactions that过去时基蒂在一个小时前happened at aKitty wrote an email发生在过去某给琳达写了封电子certain time in theto...