present perfect

• [语]现在完成时(的）

present perfect的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. a perfective tense used to express action completed in the present;

   "`I have finished' is an example of the present perfect"
   

present perfect的用法和样例：

例句

1. 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。
2. The present and past perfect tenses both belong to the perfect tense.
   现在完成时和过去完成时都属于完成时态。