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
- 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 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。 - Use the present perfect to inquire about life experiences.
使用现在完成时访问生活经历。 - We use the present perfect tense to talk about something that happened at an indefinite time in the past.
我们使用现在完成时谈论发生在过去某个不确定的时间的事情。 - 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。 - By combining theories and experiment, this thesis compares and analyzes the features in the process of learning English present perfect by both Chinese Han students and Chinese ethnic Korean students.
本文通过理论和实验相结合的方法，对比分析单、双语人学习英语现在完成体的特征。 - 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。 - 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。 - 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。 - 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。