过去将来时典型错误例析河北献县李素萍1. 我们不知道他是否要在会上发言。误:We didn’t know whether he is going to speak at the meeting.正:We didn’t know whether he was going to speak at the meeting.析:该句主句为过去时,且宾语从句表示从过去某个时间看来将要发生的动作,所以从句要用过去将来时态。2. 老师问汤姆长大后准备干什么。误:The teacher asked Tom what he was going to be when he would grow up.正:The teacher asked Tom what he was going to be when he grew up.析:在时间状语从句中,常用一般过去时表示在过去看来将要发生的动作。3. 他们说如果下星期天不下雨他们就去农场。误:They said that they were going to the farm if it would not rain the next Sunday.正:They said that they were going to the farm if it didn’t rain the next Sunday.析:在条件状语从句中,也常用一般过去时表示在过去看来将要发生的动作。4. 王林打电话告诉她妈妈,她要买一些书。误:Wang Lin rang up to tell her mother that she should buy some books.正:Wang Lin rang up to tell her mother that she would buy some books.析:过去将来时可以由“助动词 should/would+动词原形”构成,但 should 一般只用于第一人称。而 would 可用于各种人称。5. 上次我见到你时,你正打算开始乘火车去西藏。误:Last time I saw you, you had started to go to Tibet by train.正:Last time I saw you, you were going to start to go to Tibet by train.析:last time 是一般过去时或过去将来时的显著标志。