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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• We also use the present perfect to talk about a series of repeated actions which have happened up to the present.
  我们也使用现在完成时谈论一系列重复的行为，这些行为到现在还发生。
• They were all concerning about the past tense and the present perfect.
  那些练习题都是跟一般过去时和现在完成时有关的。
• 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。
• Use the present perfect to inquire about life experiences.
  使用现在完成时访问生活经历。