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 present perfect is almost a kind of present tense.
  现在完成时总是一类现在时态。
• 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。
• ` 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。
• To grasp the Present Perfect and the Irregular verbs 'past tense& past participle tense.
  掌握现在完成时态以及不规则动词的过去时态和过去分词。
• The present perfect simple is often used to talk about past actions and events which are completely finished.
  一般现在完成时经常用于谈论过去的行为和事件其完全结束。
• 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。
• 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。
• The present perfect tense emphasizes the effect of the past action on the present.
  现在完成式强调过去所发生的事情对现在的影响。
• 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。
• 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。