,创建信息化教学模式 打造人人通自主课堂,信息化实验班专用期末复习课件,2020/7/3,一般过去时的结构 句型转换,一般现在时的基本结构,主语+动词（be动词/实义动词）原形（单数第三人称除外）+.,一般现在时，有人称和数的变化. Be动词 I am a student. He/she is a student. We are students. 实义动词 I/We/They play computer games every day. He/She plays computer games every day.,学科网,主语+动词（be动词/实义动词）的过去式+.,一般过去式的基本结构,一般过去时没有人称和数的变化. (was,were除外),Be 动词 I was a student. He/she was a student. We/They were students. 实义动词 I/He/She/We/They played computer games every day.,主语 + be动词的过去式（was, were） .,主语 + be动词的过去式（was, were）+ not .,be 动词的过去式（was, were）+主语 ?,He was busy yesterday.,He was not busy yesterday.,Was he busy yesterday?,be 动词的过去时：,学科网,主语 + 动词的过去式 .,主语 + did not + 动词原形 .,Did + 主语 + 动词原形 ?,He played tennis last week.,He did not play tennis last week.,Did he play tennis last week?,实义动词的过去时:,一般过去时态句式的构成 陈述句式,一般过去时态句式的构成 疑问句式,句型转换 （1）be 动词类 陈述句：I was late yesterday. 否定句：_ 一般疑问句：_对划线部分提问：_,学科网,句型转换 （2）实义 动词类 陈述句：He played soccer yesterday. 否定句：_ 一般疑问句：_对划线部分提问：_,动词一般过去时， 表示过去发生的事； be用was或用were, have,has变had； 谓语动词过去式， 过去时间作标志； 一般动词加-ed， 若是特殊得硬记。 否定句很简单， 主语之后didnt添； 疑问句也不难， did放在主语前； 如果谓语之前有did， 谓语动词需还原； 动词若是was,were, 否定就把not添。,巧记动词过去时态,Thank you,Good bye!,学科网,