過去將來完成時(shí)(past future perfect tense)表示在過去將來某一時(shí)間以前已經(jīng)完成的動(dòng)作。它的形式由should(第一人稱)或Would(第二、三人稱)加have再加過去分詞構(gòu)成。美國(guó)英語一律用Would。
用法舉例：
He said he would have paid me back the money by the end of the week.他說將在周末前還我錢。
We told him that we should have returned to the camp by four o'clock.我們告訴他我們將于四點(diǎn)前回營(yíng)地。
I hoped she would have finished the work before I got back.我希望她在我回來之前做完那活兒。
種類
完成進(jìn)行時(shí)有現(xiàn)在完成進(jìn)行時(shí)、過去完成進(jìn)行時(shí)、將來完成進(jìn)行時(shí)和過去將來完成進(jìn)行時(shí)四種