(also the perfect) noun [sing] (grammar语法) the tense of a verb that is formed with has/have/had and the past participle 完成时；完成式: ‘I've finished’ is in the present perfect tense. I've finished这个句子用的是现在完成时。 ☞For more information about the perfect tense, look at the Quick Grammar Reference section at the back of this dictionary. 有关完成时的详细用法，参看本词典末“语法便览”部份。