河南专升本英语考试动词知识点

　　知识点汇总

　　高频考点

　　一、情态动词+have done 的用法

　　1. 表对过去情况的推测

　　2. 表虚拟语气

　　I should / ought to have left London before nine but I didn’t.

　　I needn’t have gone to the office yesterday.

　　We could have done it all much better.

　　I might have taken another path.

　　二、完成时态：

　　1. 现在完成时

　　①构成：has/have done

　　Great changes have taken place in China since 1949.

　　②时态标志词：since, already, for+一段时间, by far, so far, by now, up to now, in the past few years, before 等。

　　2. 过去完成时

　　①构成：had done

　　He had shut the door before the dog came up. 在狗来之前他就把门关上了。

　　②时态标志词：by+过去的时间(by yesterday, by then, by the end of last week),或 者由 when, before, after,by the time+一般过去时的状语从句。

　　He had lived in Shanghai for ten years before he came here. 他来这之前就已经在上海生活了 10 年。

　　3. 将来完成时

　　①构成：shall(第一人称)/will(第二、三人称)+have+过去分词(done)

　　You will have reached Shanghai by tomorrow. 明天你就到上海了。

　　②时态标志词：by+将来的时间(by tomorrow, by the end of next week),或者由 when, before, after,by the time+一般现在时的状语从句。

　　三、被动语态之主动表被动：

　　① want/need/require 需要被...：The window wants/needs/requires repairing.

　　②be worth+doing 值得...：The book is worth reading.

　　③感官动词：look, smell, taste, sound, feel：Cotton feels soft.

　　考题再现

　　【参考答案】

　　1.C;

　　2.B;

　　3.A;

　　4.D;

　　5.D