present perfect

英 [ˌpreznt ˈpɜːfɪkt]

美 [ˌpreznt ˈpɜːrfɪkt]

n.  现在完成时

牛津词典

noun

• 现在完成时
  the form of a verb that expresses an action done in a time period up to the present, formed in English with the present tense of have and the past participle of the verb, as in I have eaten

柯林斯词典

• 现在完成时的
  In grammar, thepresent perfecttenses 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'.

英英释义

noun

• a perfective tense used to express action completed in the present
  1. `I have finished' is an example of the present perfect
  Synonym:present perfect tense

双语例句

• We use the present perfect tense to talk about something that happened at an indefinite time in the past.
  我们使用现在完成时谈论发生在过去某个不确定的时间的事情。
• 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.
  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。
• By combining theories and experiment, this thesis compares and analyzes the features in the process of learning English present perfect by both Chinese Han students and Chinese ethnic Korean students.
  本文通过理论和实验相结合的方法，对比分析单、双语人学习英语现在完成体的特征。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。