七年级英语一般疑问句课件ppy.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/10/10,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/10/10,*,一般疑问句,2021/10/10,1,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。,2021/10/10,2,一般疑问句的构成：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.,2021/10/10,3,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,that,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.,2021/10/10,4,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,dont,是,do not,的缩写。,doesnt,是,does not,的缩写,2021/10/10,5,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.,2021/10/10,6,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。,2021/10/10,7,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 not,的缩写。,2021/10/10,8,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。,2021/10/10,9,一般疑问句专项练习,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,.,No,he isnt,.,3.They are in the zoo.,Are,they,in,the,zoo,?,Yes,they,are,.,No,they,arent.,2021/10/10,10,4.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.,2021/10/10,11,7.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.,2021/10/10,12,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?,2021/10/10,13,