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

• 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。
• Fill in the blanks with the present perfect tense of the verbs in brackets.
  用括号里动词的现在完成时态来填充空格。
• They appear more excited when we talk about university life in the United States than when we discuss the correct usage of the present perfect tense.
  与讨论如何正确使用现在完成时相比，当我们谈起美国大学的生活时，他们显得更为兴奋。
• The question is in the present perfect continuous so you will answer with the verb in the continuous.
  这个问题是用现在完成进行时来提问的，所以回答时也用进行时态的这个动词。
• 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。
• 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。
• 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。
• 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。
• 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。
• The present perfect is almost a kind of present tense.
  现在完成时总是一类现在时态。