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
- `I have finished' is an example of the present perfect
双语例句
- 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。 - Use the present perfect to inquire about life experiences.
使用现在完成时访问生活经历。 - 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。 - 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。 - 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。 - ` 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。 - 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。 - 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。 - 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。