常見(jiàn)例句雙語(yǔ)例句We use the present perfect tense to talk about something that happened at an indefinite time in the past.我們使用現(xiàn)在完成時(shí)談?wù)摪l(fā)生在過(guò)去某個(gè)不確定的時(shí)間的事情。blog.sina.com.cn 返回 present indefinite tense