一般过去时的结构句型转换ppt课件.ppt

,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,2022/12/28,一般过去时的结构 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,