present perfect
- n.现在完成时
present perfectpresent perfect
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ADJ 现在完成时的
In grammar, the present perfect tenses of a verb are the ones used to talk about things which happened before the time you are speaking or writing but are relevant to the present situation, or things that began in the past and are still happening. The simple present perfect tense uses 'have' or 'has' and the past participle of the verb, as in 'They have decided what to do'.
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The present perfect is covered in Unit 8 .
现在完成时在第8单元讲解。
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The present perfect is almost a kind of present tense .
现在完成时总是一类现在时态。
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Use the present perfect to inquire about life experiences .
使用现在完成时访问生活经历。
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The meaning indicated by the present perfect of the English verb
英语动词现在完成体表示的意义
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A Semantic Study of the English Simple Past Tense and the Present Perfect
实话英语的时态一般过去时和现在完成体的语义研究
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` I have finished ' is an example of the present perfect .
我已经完成了是现在完成时态的一个例句。
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Rewrite the following sentences using the Present Perfect Passive Voice .
用现在完成时的被动语态改写下列句子。
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In this lesson , we will practice using the present perfect tense .
在这节课上，我们将要练习使用现在完成式。
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We also use the present perfect to talk about repeated actions in the past .
我们还使用此时态谈论过去重复的动作。
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Talk about the uses of the present perfect tense .
表示过去发生的事对现在仍有影响。
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Past simple or present perfect ?
一般过去时还是现在完成时？
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It is not easy to learn to use the present perfect tense correctly .
学习正确使用现在完成时不是容易的事。
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You 'll be able to use the present perfect tense for checking up .
你可以用现在进行时态去检查。
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The present perfect tense emphasizes the effect of the past action on the present .
现在完成式强调过去所发生的事情对现在的影响。
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They were all concerning about the past tense and the present perfect .
那些练习题都是跟一般过去时和现在完成时有关的。
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The verb must be in the present perfect tense
动词必须用现在完成时态
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When talking about current employment be careful to use the present perfect or present perfect continuous .
谈起目前的就业要小心使用现在时。
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Greeting students and say two sentences about Mid-autumn using the Present Perfect Tense .
设计意图：根据中秋节这一主线，创设情境，引出现在完成时。
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Study of Contextual Support in Learning L2 Forms : EFL Learning of the English Present Perfect
语境支持与二语形式学习&中国学生英语现在完成时习得研究
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Remember : when using the words'since'and'for'with the present perfect tense , you must follow them with different information .
在这个单元，我们学习了不同的现在时态来强调不同事件的状态。
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A Comparative Study of Features on Learning English Present Perfect by Monolinguals and Bilinguals
单、双语人学习英语现在完成体的特征对比分析
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A Discussion on Curent Relevance and Present Perfect Aspect
现时关联与现在完成体
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There is no exactly equivalent French tense to the present perfect tense in English .
法语里没有和英语中的现在完成时完全对应的时态。
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The present perfect simple is often used to talk about past actions and events which are completely finished .
一般现在完成时经常用于谈论过去的行为和事件其完全结束。
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They have an inherent propensity to use the Present Perfect to give background knowledge in the first sentence .
后者倾向于在开头用现在完成时描述研究背景。
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Change these sentences into the Present Perfect Passive , putting the verbs into the correct forms .
用动词的正确形式将下面的句子变成现在完成时的被动语态。
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Can you pick out more than two sentences in the present perfect voice from the reading passage ?
你能在文章中找出两个以上与现在完成时的被动态有关的句型么？
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The present perfect is used to express an action that started in the past but still continues in the present .
现在完成时用来表达开始于过去但仍在现在持续的动作。
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When we make a present perfect sentence , we could usually make a present tense sentence about the same situation .
造现在完成时的句子，我们通常会造现在时态的句子。
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The Survey of the Priority of the Simple Past Tense over the Present Perfect Tense in Modern German
现代德语过去时与现在完成时的优先性探讨