同义词: present perfect
以上来源于: WordNet
'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。
To grasp the usage of the present perfect tense.
掌握现在完成时态的用法。
You'll be able to use the present perfect tense for checking up.
你可以用现在进行时态去检查。
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