1The present perfect tense现在完成时We use the present perfect tense to talk about things that happened我们使用现在完成时谈论发生在过去但在in the past but have a connetion to the present in some way.某种意义上与现在有联系的事情。在过去教材图片原文教材图片译文I've seen almost all of the plac...
The present perfect tense is a verb form used to describe actions that occurred at an unspecified time before now, emphasizing their relevance to the present moment. It is formed with "have/has + past participle". 1. 判断问题完整性:问题明确询问现在完成时的定义,属于完整且明确的语法问题2. 结...
Thepresent perfect tenseexpresses a present action that began in the past and is now completed in the present. 现在完成时态表示开始于过去,现在已经完成的行为。 Thepast perfect tenseexpresses an action that began in the past, was completed in the past before something else occurred. 过去完成时态...
The Present Perfect Tense 现在完成时 课件 (共22张PPT) 外研 现在完成时ThePresentPerfectTense 结构：have/has（助动词）+done(动词的过去分词）肯定形式：主语+have/has+done否定形式：主语+have/hasnot+done一般疑问句：Have/Has+主语+done+其他？肯定回答：Yes,主语+have/has.否定回答：No,主语+haven't/...
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【题目】The present perfect tense They've gone ond we've won. A has/have done something We can use the present perfect tense to talk obout水things that happened in the post, but are connected with the present. It is formed with has/have + the past participle form of the verb They'...
The present perfect tense is formed with have/has + done, as in, “They have decided what to do。" 相关知识点: 试题来源: 解析 正确 现在完成时的基本结构是"have/has + 过去分词"。给出的例句"They have decided"中,have(现在式助动词)与decided(decide的过去分词)完全符合该结构。句子使用第三...
We know that one common use for the present perfect tense is in showing actions or situations that began in the past and continued until now. Sometimes, however, this use is confusing--because some verbs are not normally used to show a continuing action.
Certain time adverbs ("time words") are especially common with the present perfect tense. The most common are probably ever, never, already, yet, still, and just.
The Present Perfect Tense 现在完成时态 • The thief has destroyed the fence . • The thief has broken the window. • The thief has stolen money. • The thief has eaten up the chocolate. • He has left his hat on the table. • The thief has drunk up the orange juice. In...