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3. 状语使用差异:过去时常接yesterday/last week/2020等明确过去时间状语; 现在完成时接since/for/ever等非具体时间状语4. 语用功能区别:过去时用于单纯叙事,现在完成时强调经历/结果/未完成动作例:She went to Paris(单纯叙述) vs. She has been to Paris(强调经验影响现在认知)...
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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...
1.Present perfect tense has___.)a main verb only b)an auxiliary and past participle. In present perfect tense, the past participle is___the past tense form.)always the same form as b) sometimes a different form from • 79nit 18:Present Perfect Tense vs.Past Tense Exercise 7: Look...
| Examples & Definition A present participle is a word derived from a verb that can be used as an adjective or to form continuous verb tenses. 65 Present Perfect Tense | Examples & Use The present perfect tense is used to refer to a past action or situation that has a present ...
解析 simple present tense 一般现在时:is/am/are,或者动词原形.关键词:often,always,sometimes,every day.举例:I go to school everyday.(我每天都上学)simple past tense 一般过去时:was/were,或者动词过去式.关键词:y... 分析总结。 有什么关键词吗或是怎样应用呢...
SimplePastvs.PresentPerfect WhendoweuseeachtenseinEnglish?Remember:Grammarhasmeaning!Differentgrammartensesareusedindifferentsituationsorcontextsandtheycarrydifferentmeanings.Forexample...UsethesimpleUsethe pastfor present actionthat perfectfor happenedin actionthat thepastandis:startedinthe past,but...over,done...
一般现在时表过去资料.Thepresenttensereferringtothepast 一般现在时表示过去 1.用于某些动词表示不确定的时间 常用tell,say,hear,learn,gather等 动词来表示过去 eg:IhearMaryhaslostherwallet.Johntellsmeyouwillleavetomorrow.Itreallygetsmewhenhesaysthosestupid things.2.用于生动的描述过去的故事或者经历（虽然事情...
The present perfect tense is an English verb tense used for past actions that are related to or continue into the present, such as ongoing actions or changes over time. You can recognize the present perfect tense by the auxiliary verbs (or helper verbs) have and has. Example: I have gone...