一般过去时的结构句型转换ppt课件.ppt
采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物创建信息化教学模式 打造人人通自主课堂采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物2022-8-12采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物一般现在时的基本结构主语主语+动词（动词（be动词动词/实义动词）原形实义动词）原形（单数第三人称除外）（单数第三人称除外）+. 一般现在时，一般现在时，有人称和数的变化有人称和数的变化.Be动词动词I am a student. He/she is a student. We are students.实义动词实义动词I/We/They play computer games every day.He/She plays computer games every day.学科网采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物主语主语+动词（动词（be动词动词/实义动词）的过实义动词）的过去式去式+.一般过去式的基本结构一般过去时一般过去时没有人称和数的变化没有人称和数的变化. (was,were除外除外)Be 动词动词 I was a student. He/she was a student. We/They were students. 实义动词实义动词I/He/She/We/They played computer games every day.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. .be 动词的过去时动词的过去时：学科网采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物实义动词的过去时实义动词的过去时:采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 be I was . He /She/it was. We/You/They were . I was not(wasnt). He/She/It was not(wasnt). We/You/They were not (werent) work I/You/He/She/It/We/ You/They worked. I/You/He/She/It/We/You/They did not(didnt) work.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 be Was I ? Yes, you were. No, you were not. Were you? Yes,I was. No,I was not. Was he/she/it? Yes,he/she/it was. No,he/she/it was not. Were we? Yes,we/you were. No,we/you were not. Were you? Yes,we were. No,we were not. Were they? Yes,they were. No,they were not. work Did I work? Yes,you did. No,you did not. Did you work? Yes,I did. No, I did not. Did he/she/it work? Yes,he/she/it did. No,he/she/it did not. Did we work? Yes,we/you did. No,we/you did not. Did you work? Yes,we did. No,we did not. Did they work? Yes,they did. No,they did not.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物句型转换句型转换（1）be 动词类动词类陈述句：陈述句：I was late yesterday.否定句：否定句：_一般疑问句：一般疑问句：_对划线部分提问：对划线部分提问：_学科网采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物句型转换句型转换（2）实义实义 动词类动词类陈述句：陈述句：He played soccer yesterday.否定句：否定句：_一般疑问句：一般疑问句：_对划线部分提问：对划线部分提问：_采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物动词一般过去时，动词一般过去时， 表示过去发生的事；表示过去发生的事；be用用was或用或用were, have,has变变had；谓语动词过去式，谓语动词过去式， 过去时间作标志；过去时间作标志；一般动词加一般动词加-ed， 若是特殊得硬记。若是特殊得硬记。否定句很简单，否定句很简单， 主语之后主语之后didnt添；添；疑问句也不难，疑问句也不难， did放在主语前；放在主语前；如果谓语之前有如果谓语之前有did， 谓语动词需还原；谓语动词需还原；动词若是动词若是was,were, 否定就把否定就把not添。添。巧记动词过去时态巧记动词过去时态采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物Thank youGood bye!学科网
