| 释义 |
present perfect tense
释义
现在完成时：表示过去发生的动作或状态对现在造成的影响或结果，常与时间状语ever, never, already, yet, just等连用。
例句
1·'I have eaten' is the present perfect tense of the verb 'to eat', 'I had eaten' is the past perfect and 'I will have eaten' is the future perfect.
I have eaten是动词eat的现在完成时；I had eaten是过去完成时；I will have eaten是将来完成时。
《牛津词典》
2·Present Perfect Tense .
现在完成时。
3·To grasp the usage of the present perfect tense .
掌握现在完成时态的用法。
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