文档介绍：英语语法英语语法李书东李书东 Unit 1 Unit 1 一般现在时一般现在时——————————??一、一般现在时的用法一、一般现在时的用法?? 1. ,存在的状态或日表示经常发生的动作,存在的状态或日常****惯。常与常****惯。常与 every day ,often,always. every day ,often,always. ?? Sometimes Sometimes 等连用。等连用。?? I go to Britian every year. I go to Britian every year. ?? I am a teacher. I am a teacher. ?? 2. 2. 表示主语的性格,能力特征表示主语的性格,能力特征 The students of the universities like The students of the universities like English very much. English very much. My daughter sings very well. My daughter sings very well. My brother works very hard My brother works very hard . . 3. 3. 表示客观事时或普遍真理表示客观事时或普遍真理 The sun rises in the east The sun rises in the east . . Two and two is four Two and two is four . . 第三人称单数的构成第三人称单数的构成?? 1. s. s. ??w w ork-works live-lives ork-works live-lives play-plays play-plays ?? 2. 2. 以以 . o. . o. 结尾加结尾加-es -es ?? Wash-washes teach-teaches Wash-washes teach-teaches dress-dresses dress-dresses ?? 3. y y结尾结尾, ,变变y y为为i i加加-es. -es. ?? Study-studies fly-flies try-tries Study-studies fly-flies try-tries 一般现在时否定式一般现在时否定式?? 1. be be 动词后加动词后加 not not ??a a re not=aren re not=aren ’’ t is not=isn t is not=isn ’’t t ?? 2. +don +don ’’ t+ t+动词原形。动词原形。??主语主语+doesn +doesn ’’ t+ t+动词原形动词原形?? Bill likes parties. Bill likes parties. ?? Bill doesn Bill doesn ’’ t like parties t like parties ?? We study English hard We study English hard ?? We don We don ’’ t study English hard. t study English hard. 一般现在时疑问式一般现在时疑问式?? 1. 1. 将将 be be 动词提到句首。动词提到句首。?? He is a teacher They are He is a teacher They are students students Is he teacher? Are they Is he teacher? Are they students? students? 2. Does Does 或或 Do Do They study English.----Do they study They study English.----D