pres·ent per·fect英ˈprezənt ˈpɜːfɪkt美ˈprɛzənt ˈpɝfɪktAHDprĕzʹənt pûrʹfĭkt☆☆☆☆☆高短语⁷⁹⁹⁷⁸⁺⁹ 基本英英 语现在完成时(的）亦作present perfect tense Noun: a perfective tense used to express action completed in the present;
`I have finished' is an example of the present perfect