本文档如对你有帮助,请帮忙下载支持!大学英语四级语法精要一、动词 (时态,语态,用法,省略,一致性等) (一)时态1、主动形式过去现在将来过去将来一般did do will/shall do should/would do 进行was/were doing am/is/are doing will/shall be doing / 完成had done have/has done will/shall have done should/would have done用于虚拟语气完成进行had been doing have/has been doing / / 2、被动形式过去现在将来过去将来一般was/were given am/is/are given Will / shall be given should/would be given 进行was/were being given am/is/are being given / / 完成was/were being given am/is/are being given / / 完成进行/ / / / · CET-4 常考的三种时态:过去完成时;将来完成时;(现在 /过去)完成进行时。· 时间状语从句当中的时态:一般过去时所有的过去用一般现在时表示现在和将来现在完成时现在完成和将来完成3、现在完成进行时态(have/has been + -ing 分词构成 ): 动作或状态从过去某时开始,继续到现在 ,可能继续下去 ,也可能刚刚结束. · I ’ ve been writing letters for an hour. I ’ ve been sitting in the garden. 4、过去完成进行时(由 had been + ing 分词构成 ): 过去某个时刻以前一直在进行的动作· We had been waiting for her for two hours by the time she came. 5、将来完成进行时: 将来某个时刻以前一直在进行的动作. · By next summer, he will have been working here for twenty years. 6、将来完成时 (由 shall/will have + 过去分词构成 ): 将来某时会业已发生的事. · I shall have finished this one before lunch. They ’ ll have hit the year’ s target by the end of October.(二)语态1、可以有两种被动结构的类型,例如 : · He was said to be jealous of her success. It was said that he was jealous of her success. · 能同时适用于上述两个句型的主动词通常都是表示“估计 ”,“相信 ”等意义的动词,常见的有: assume,believe,expect,fear,feel,know,presume,report,say,suppose,understand等。本文档如对你有帮助,请帮忙下载支持!· It is supposed that the ship...