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

• 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。
• 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？
• Here have is the auxiliary verb and completed is the main verb; have completed is the present perfect tense.
  在这里have是辅助动词而completed是主要动词，havecompleted是现在完成时。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。