例句：I didn't know if he would come.　　=I didn't know if he was going to come.　　我不知道他是否會來.　　She was sixty-six.In three years,she would be sixty-nine.　　她66歲了.三年后,她是69歲.　　She told us that she would not go with us,if it rained.　　她告訴我們,如果下雨,她就不和我們一起去了.　　I didn't know how to do it.What would be their ideas?　　我不知如何去做,他們會有什么想法呢?　　2.過去將來時常可用來表示過去習慣性的動作.此時,不管什么人稱,一律用would.　　This door wouldn't open..　　這扇門老是打不開.　　Whenever he had time,he would do some reading.　　他一有時間,總是看書.　　I would play with him when I was a child.　　當我還是孩童時,總是和他一起玩.如:　　You know I would come.你知道我會來的.　　We never imagined that John would become a doctor.我們從未想過約翰會成為一個醫(yī)生.　　過去將來時有時可帶時間狀語.如:　　He said he would come back the next day.他說他第二天回來