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 ofhave and the past participle of the verb, as inI have eaten
un.
1.
【语法】现在完成式(的);现在完成式的动词
n.
1.
theformofaverbthatsuggeststhatanactionhasbeencompleted, formedinEnglishbyprecedingtheverbwith "have" or "has" andusuallyendingtheverbwith "-ed," e.g. "havedeparted"