perfect tense

US /ˈpɜːr.fɪkt tens/
UK /ˈpɜːr.fɪkt tens/
"perfect tense" picture
1.

完成时, 现在完成时, 过去完成时

a verb tense that expresses an action or state that occurred at an indefinite time in the past or began in the past and continues to the present

:
The sentence 'I have eaten' is an example of the present perfect tense.
句子“I have eaten”是现在完成时的一个例子。
She had already finished her homework when I arrived, which is an example of the past perfect tense.
我到的时候她已经做完作业了,这是过去完成时的一个例子。