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

• 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。
• 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。
• 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。
• 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。
• Talk about the uses of the present perfect tense.
  表示过去发生的事对现在仍有影响。
• 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。
• 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。
• 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。
• The differences between the present perfect and the past simple are complicated and difficult to analyse, and the rules given in grammars are not always very clear or accurate.
  现在完成时和过去时之间的差别分析起来有点复杂和困难，语法的已知规则总不是很明白或精确。在许多欧洲语言里，有现在完成时态；