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

• Talk about the uses of the present perfect tense.
  表示过去发生的事对现在仍有影响。
• 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？
• Use the present perfect to inquire about life experiences.
  使用现在完成时访问生活经历。
• When we talk about past events which have no present importance, we do not use the present perfect.
  谈论过去的事件其对现在不重要，不用现在完成时。
• 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。
• 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。
• 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。
• ` 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。
• And will learn The simple past tense, The present perfect tense, The past perfect tense as well as The future tense.
  这个学期，我们学到了过去时，现在完成时，过去完成时和将来时等。
• The present perfect is almost a kind of present tense.
  现在完成时总是一类现在时态。