過去將來完成時結構、用法、定義詳細講解
 

一、過去將來完成時的結構

would have+過去分詞

二、過去將來完成時用法、定義詳細講解

1、表示從過去某個時間看將來某時之前已經完成的動作。
例句:
He said that they would have arrived by seven o'clock.他說他們在七點鐘前就會到達。
She told me that she would have finished typing the letter before I came back.她告訴我,在我回來之前她就會把信件打好的。
I thought Judy would have graduated from the college by then.我想屆時朱迪就已經大學畢業了。