一般过去时的结构句型转换ppt课件.ppt

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1、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，

2、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

3、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

4、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(didn

5、t) 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

6、 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

7、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 yesterd

8、ay.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