We form them using the verb have (‘have’ or ’has’ for the present perfect, ‘had’ for the past perfect) plus the past participle of the main verb. (Sometimes we add modals before 'have,' or continuous forms after it. SeePast and Present Perfect Tense Useif you would like more ...
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）。常和for＋时间段和since＋时间点连用。I have studied English for 3 years.( 从过...
Present perfect vs past perfect tense exercise with answers-- Printable / Online Interactive / Video Exercises
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...
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...
【题目】Simple past tense and present perfect tenseThere are some differences between the simple past tenseand the present perfect tense.TIPWe often use these time expressions with the simplepast tense.yesterday the other day last.. .agoTIPWe often use these time expressions with the present...
【题目】Simple past and present perfectTenseUsed forExampleactions that happenedI bought a new bicycle yesterday.in the pastSimple pastactions that happenedKitty wrote an email to Linda anat a certain time inhour ago.the pastemphasizing the resultI have bought a new bicycle, so Iof a past ...
Verb Tense Exercise 15 Present Continuous, Simple Past, Present Perfect Continuous, and Past Perfect Continuous f t pUsing the words in parentheses, complete the text below with the appropriate tenses, then click the "Check" button to check your answers....
Simple Past or Present Perfect Tenses Worksheet For ESL EFL Students and Teachers Review: Simple Past Tense Present Perfect Tense Verb Tenses Chart Similar Exercises: Simple Past / Present Perfect 1 Fill in the blanks withSimple PastorPresent Perfect Tenses. ...
高考英语专项 语法 时态 24 终极突破各种时态混合练习Present Tense练习+答案 高考英语专项 语法 时态 24 终极突破各种时态混合练习Past Tense+the Present Perfect tense练习+答案 高考英语专项 语法 时态 24 终极突破各种时态混合练习Past or Present Perfect Tense练习+答案 ...