七年级英语一般疑问句（ppt课件）

1、一般疑问句,1,学习交流课件,常见的助动词有：be, have , do . 1.be (am , is ，are )：am 跟 I； is 用单数；are用复数。 2.have 有两种形式：(1). has 用于第三人称单数（she, he , it). (2). have 用于其他人称。 3.do (does, did ): does 用于第三人称单数， did用于一般过去时） 4.行为动词，又叫实义动词，在句中可以独立充当谓语。 注意：行为动词的否定句和疑问句的构成都新需要加助动词do的某种形式。,2,学习交流课件,一般疑问句的构成：就是通过把be动词，情态动词，或助动词提到主语的前面来

2、构成。 一般疑问句肯定回答用“yes ” , 否定回答用“ no ” . 注意在肯定回答时，Yes后面的部分不能缩写。如it is, 不能缩写为 its . he is 不能缩写为hes ,she is 不能缩写为shes She is a teacher . Is she a teacher ? Yes , she is . No, she is not isnt.,3,学习交流课件,This is our dictionary. Is this your dictionary ? Yes, it is . No , it is not isnt. 注意：对疑问句中的指示代词this, th

3、at 在回答时要用 it 代替， these, those 在回答时要用they 来代替。 These are our photos . Are these your photos ? Yes, they are . No, they are not arent.,4,学习交流课件,I like basketball. Do you like basketball ? Yes, I do . No, I do not dont. She likes orange. Does she like orange ? Yes, she does. No, she does not doesnt don

4、t 是 do not 的缩写。 doesnt 是 does not 的缩写,5,学习交流课件,I have a green pencil . Do you have a green pencil ? Yes, I do. No, I dont. He has a bike. Does he have a bike ? Yes, he does. No, he doesnt.,6,学习交流课件,总结:1.人称的变化：原句中是 I 的要变为you（你）, 是 we 的要变为You（你们）；是my 的要变为your(你的），原句中是our (我们的）要改为your (你们的)。 2. 加助动词do的

5、某种形式构成的一般疑问句，在回答时不能使用原句中的谓语动词（即行为动词）来作答，而是要使用助动 词来作答。 在使用助动词does, did 构成一般疑问句时，原句中的谓语动词要（还原）使用原形。,7,学习交流课件,我们已经学过的情态动词有： can: （1）能，会；（2）可能 must: 必须，一定，不得不。 may / mei:/: (1) 也许，可能；（2）（征求同意或表示许可） 情态动词后面必须跟 动词原形。 I can play baseball. Can you play baseball ? Yes, I can. No, I can not cant. cant 是 can no

6、t的缩写。,8,学习交流课件,当你上课迟到了，你要进教室，你该怎么说？ May I come in ? 或者 Can I come in ? 总结：含有情态动词的陈述句变为一般疑问句，只需要把情态动词提到主语的前面。 在回到时要用情态动词作答，不能用动词原形作答。,9,学习交流课件,一般疑问句专项练习 1. I am an English teacher. Are you an English teacher ? Yes, I am . No, I am not. 2.His father is a doctor. Is his father a doctor ? Yes, he is . N

7、o, he isnt. 3.They are in the zoo. Are they in the zoo? Yes, they are . No, they arent.,10,学习交流课件,4. I have a cat. Dou you have a cat? Yes, I do. No, I dont. 5.They can swim（游泳） Can they swim? Yes, they can. No, they cant. 6. She likes dog. Does she like dog ? Yes, she does . No, She does not doesnt

8、.,11,学习交流课件,7. I go to work by bike every day. Do he go to work by bike every day ? Yes, He does. No, he doesnt. 8.she goes to school by bus . Does she go to school by bus ? Yes, she does. No, she doesnt. 9.I do my homework after school. Do you do your homework after school ? Yes, I do. No, I dont.,12,学习交流课件,改错：下列每题分别有错误，请你找出错误并改正。 1. I have a eraser. Do you have a eraser. Yes，I have . No, I have not. 2. I am a Chinese(中国的 ) boy. Am I a Chinese boy ? 3. She likes English. Like She English?,13,学习交流课件,4. My father likes book. Does my father lik