同根派生 perfect tense相關(guān)詞英漢例句用作名詞 (n.)Learn to express something with Past Perfect Tense.學(xué)習(xí)使用過(guò)去完成時(shí)態(tài)。The verb must be in the present perfect tense.動(dòng)詞必須用現(xiàn)在完成時(shí)態(tài)。perfect tense更多例句