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课件网) Revision module A 复习以前学过的六种时态 (一)一般现在时的定义:一般现在时是表示现在经常反复发生的动作存在的状态或习惯性的动作的时态． 一般现在时的构成: 动词肯定句否定句 I am... I am not... You/We/They are You/We/They are not He/She/It is He/She/It is not 一般现在时用行为动词的原形，主语是he,she,it这些第三人称单数时，动词要加s或es． （二）一般过去时的定义：一般过去时是表示过去经常或偶然发生的动作或存在的状态的时态． 一般过去时的构成： 动词肯定句否定句 I was... I was not... He/She/It was... He/She/It was not... We/You/They were... We/You/They were not... 一般过去时用动词的过去式动词的过去式一般都加ed，如work- worked．结尾是e的只加d，如like-liked.末尾只有一个辅音字母的重读闭音节要双写这个字母再加ed,如stop--stopped，以辅音字母加y结尾的，先变y为i再加ed,如study--studied． （三）一般将来时的定义：一般将来时是表示将来发生的动作或存在的状态的时态． 一般将来时的构成: 人称肯定句否定句 一I/We will go.I/We will not go. 二You will go.You will not go. 三He/She/It/They will go.He/She/They will not go 一般将来时由助动词（will,shall）＋动词原形构成,shall主要用于以第一人称(I,We)为主语的疑问句中． （四）现在进行时的定义：现在进行时是表示在某一时刻或某段时间正在进行的动作的时态． 现在进行时的构成： 现在进行时由系动词（am,is,are）＋现在分词（动词加ing形式）构成． 如I am working. Am I working I am not working. （五）过去进行时的定义：过去进行时是表示在过去某一时刻或某段时间内正在进行的动作时态． 过去进行时的构成： 过去进行时是由系动词的过去式（was were）＋现在分词（动词加ing）构成的． 如I was talking. Was I talking I was not talking. (六）现在完成时的定义：现在完成时是表示在过去发生但与现在情况有联系的动作或状态的时态． 现在完成时的构成： 现在完成时是由助动词have,has＋过去分词构成的,过去分词的变化方法和上述的过去式的方法一样．过去分词也有不规则的．见不规则动词表。 如 You have talked. Have you talked You have not talked.. 复习状语从句 状语从句主要用来修饰主句或主句的谓语。一般可分为九大类,分别表示时间、原因、目的、结果、条件、让步、地点、比较和方式。尽管种类较多,但由于状语从句与汉语结构和用法相似,所以理解和掌握它并不难。状语从句的关键是要掌握引导不同状语从句的常用连接词和特殊的连接词即考点。就前六种进行回顾： 1、时间状语从句 常用引导词:when, while, as soon as, before, after, since , till, until 特殊引导词:the minute, the moment, the second, every time, the day,the instant, immediately , directly, no sooner … than, hardly …when. I didn't realize how special my mother was until I became an adult. While John was watching TV, his wife was cooking. 2、原因状语从句 常用引导词:because, since, as, for 特殊引导词:seeing that, now that, in that, considering that, given that, considering that, as much as, so much as. My friends dislike me because I'm handsome and successful. Now that everybody has come, let's begin our conference. The higher income tax is harmful in ... ...
