掌握现在完成时态的用法。
用括号里动词的现在完成时态来填充空格。
Fill in the blanks with the present perfect tense of the verbs in brackets.
“我已经完成了”是现在完成时态的一个例句。
这本书我读了两周了。学会现在完成时态练习。
我们经常用现在完成时态来说新闻：尤其常见于报道、信函、会话。
We often use the present perfect to give news: it is especially common in reports, letters and conversations.
现在完成时态是中学英语语法中的重点和难点，经常给师生带来困惑。
As one of the most important and confusing grammatical tenses in high-school English, present perfect tense brings about much perplexity to both teachers and students.
中文意思：掌握现在完成时态以及不规则动词的过去时态和过去分词…
To grasp "the Present Perfect" and the Irregular verbs' past tense &past participle tense.
本研究旨在探究母语为汉语的学生在习得英语现在完成时态时，其过渡语中母语时体特征的表现方式、存在原因和发展趋势。
The present study focuses on three parameters according to the three Characteristics of the Chinese Temporality (CCTs): time-phrase influence, time-space influence and tense choice.
当你谈论在过去开始但是一直持续到现在的某事时，用现在完成时态，例如：I’vebeentherefor5years/我在那里已经5年了。
When you ask about something that started in the past but continues to the present time, you use the Present Perfect tense, e.g.: I’ve been there for 5 years / I’ve been there for 5 years.
现在完成时和过去完成时都属于完成时态。
The present and past perfect tenses both belong to the perfect tense.
现在完成时总是一类现在时态。
造现在完成时的句子，我们通常会造现在时态的句子。
When we make a present perfect sentence, we could usually make a present tense sentence about the same situation.
法语里没有和英语中的现在完成时完全对应的时态。
There is no exactly equivalent French tense to the present perfect tense in English.
若按普通英语的动词时态规则，就得用一般过去时或现在完成时。
In this case, the past or present perfect tense should be used according to the grammatical rules of common English.
英文摘要时态的运用也以简练为佳，常用一般现在时、一般过去时，少用现在完成时、过去完成时，进行时态和其他复合时态基本不用。
The use of tenses in English also is better to concise, commonly used present tense, the past tense, use less when completed, the past is finished now, tense and other composite tense basic need not.
法语中没有和英语的现在完成时完全对应的时态。
法语中没有和英语的现在完成时完全对应的时态。
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