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
- Fill in the blanks with the present perfect tense of the verbs in brackets.
用括号里动词的现在完成时态来填充空格。 - The differences between the present perfect and the past simple are complicated and difficult to analyse, and the rules given in grammars are not always very clear or accurate.
现在完成时和过去时之间的差别分析起来有点复杂和困难，语法的已知规则总不是很明白或精确。在许多欧洲语言里，有现在完成时态； - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。