【英語語法分類匯總】過去將來完成時
過去將來完成時
形式
should / would have done sth.
用法
1、 過去將來完成時表示在過去將來某一時間以前發(fā)生的動作,并往往會對過去將來某一時間產(chǎn)生影響。
I thought you'd have left by this time. 我想這會兒你已經(jīng)走了。
He told them he would have finished it by 8 o'clock. 他告訴他們他會在8點以前干完。
I guessed that Helen would have told her something. 我猜海倫會告訴她一些情況的。
2、 過去將來完成時還常用在虛擬語氣中,表示與過去的事實相反。