小学英语语法陈述句变一般疑问句PPT课件.ppt

1、.1Welcome to English class.2课前准备.3.4中文解释什么是一般疑问句1.你吃饭了吗？ 肯定回答：2.他睡觉了吗？ 否定回答：3.他们吃苹果吗？ 肯定回答：4.你今天有课外作业吗？ 肯定回答：5.你玩的开心吗？ 否定回答：6.我能吃冰激凌吗？ 肯定回答：是的，我吃了不，他没睡是的，他们吃是的，我有不，我不开心是的，你能.5 如果有人问你，你今年是九岁吗，你会怎么回答？ 你一定会说，是或者不是。 这种只回答“是”或者“不是”的问句，在英语就叫做一般疑问句。 一般疑问句 .6陈述句变一般疑问句，要分几种情况？1 1）含有am ,is, are(beam ,is, are(

2、be动词）2 2）含有情态动词can,will,must,shouldcan,will,must,should3 3）没有bebe动词和情态动词的.71 1）含有am ,is, aream ,is, are的陈述句变 一般疑问句.8肯定句It is a bag. 一般疑问句Is it a bag? That is a pen. Is that a pen? Jim is six. Is Jim six? Yes, it is.No, it isnt.肯定回答否定回答 Yes, it is.No, it isnt.肯定回答否定回答 Yes, he is.No, he isnt.肯定回答否定回答.

3、9肯定句They are kind.一般疑问句Are they kind?I am happy.Are you happy?We are friends.Are you friend?肯定回答：否定回答： Yes, they are.No, they arent. Yes, I am.No, I am not. Yes, we are.No, we arent.10口诀：一提二换三照抄一提：将be动词提到句首；二换：将第一人称换成第二人称；三照抄：陈述句剩下的都照抄.111. I am from Canada. _ _ from Canada?肯定回答：_, _否定回答：_, _2. She

4、is looking for her dog. _ she _ for her dog?肯定回答：_, _否定回答：_, _Are youYes I amNo I m notIslookingYes she isNo she isnt.12肯定句一般疑问句肯回， 否回1. I am tall._2. We are strong._3. This is a ship._4. Sam is a dog._5. Jim and Mary are sad.Yes , I am.No, I am not.Are you tall ?Are you strong?Yes , we are.No, we a

5、rent.Is this a ship?Yes , it is.No, it isnt.Is Sam a dog?Yes , it is.No, it isnt.Are Jim and May sad?Yes , they are.No, they arent.13.14.15Welcome to English class.16.17陈述句变一般疑问句，要分几种情况？1 1）含有am ,is, are(beam ,is, are(be动词）2 2）含有情态动词can,will,must,shouldcan,will,must,should3 3）没有bebe动词和情态动词的.181 1）含有

6、am ,is, aream ,is, are的陈述句变 一般疑问句把am,is,aream,is,are提到句子开头，剩下照抄，末尾变问号。.19肯定句一般疑问句1. This is a ruler._2. Xu Chang is in grade 4._3. They are reading books._4. I am tired.Yes , it is.No, it isnt.Is this a ruler?Is Xu Chang in grade 4 ?Yes , she is .No, she isnt.Are they reading books ?Yes , they are.N

7、o, they arent.Are you tired?Yes , I am.No, Im not.202 2）含有情态动词can,will,must,shouldcan,will,must,should把情态动词提到句子开头，剩下照抄，末尾变问号。.21肯定句I can swim. 一般疑问句Can you swim?Tom can skate.Can Tom skate?肯定回答：否定回答： Yes, I can.No, I cant.肯定回答：否定回答： Yes, he can.No, he cant.They can ride.Can they ride?肯定回答：否定回答： Yes,

8、 they can.No, they cant.22口诀：一提二换三照抄一提：将情态动词提到句首；二换：将第一人称换成第二人称；三照抄：陈述句剩下的都照抄.23v例1: I can sing songs.vStep1由情态动词引导的一般疑问句: Can vStep2: Can youvStep3: Can you sing songs?.24肯定句一般疑问句肯回， 否回1. Sam can swim._2. Mary can skip._3. They will go shopping._4. I can dance.Yes , he can.No, he cant.Can Sam swim?

9、Can Mary skip?Yes , she can.No, she cant.Will they go shopping?Yes , they will.No, they wont.Can you dance?Yes , I can.No, I cant.25如何将一个肯定的陈述句改为一般疑问句秘诀一：找bebe动词或情态动词看句中有无be动词或情态动词，如有，把be动词或情态动词提到句首即可。.26如果原句子没有be动词也没有情态动词， 怎么办？.27陈述句变一般疑问句，要分几种情况？3 3）没有bebe动词和情态动词的.28 助动词（ do/doesdo/does） + 主语 + 动词

10、原形 + 其它？ 不管用哪种秘诀，都不要忘记在句子最后打上哦！ 秘诀二：请助动词来帮忙即在句子前加助动词dodo或doesdoes来构成一般疑问句例：John likes summer best. John like summer best?打回原形Does例：They like fruit. Do they like fruit?.29肯定句I like salad. 一般疑问句Do you like salad?We like running. Do you like running?肯定回答：否定回答： Yes, I do.No, I dont.肯定回答：否定回答： Yes, we do

11、.No, we dont.They like apples. Do they like apples?肯定回答：否定回答： Yes, they do.No, they dont. (do) (do) (do).30肯定句He reads books every day. 一般疑问句Does he read books every day ? She likes swimming.Does she like swimming?肯定回答：否定回答： Yes, he does.No, he doesnt.肯定回答：否定回答： Yes, she does.No, she doesnt. (does)

12、(does).31 口诀：一选二提三换四照抄一选：根据陈述句动词时态选择助动词；二提：将选好的助动词提到句首；三换：第一人称换第二人称, , 动词换回原形。四照抄: : 陈述句剩余部分照抄.32v例1: I like eating apples.vStep1: like是动词原形，故选dovStep2: dovStep3: do you like(I 变you)vStep4: do you like eating apples?.33v例3: He loves his mother.vStep1: loves是第三人称单数，故选doesvStep2: doesvStep3: does he l

13、ove (loves 变原形love)vStep4: does he love his mother?.34肯定句一般疑问句肯回， 否回1. I like singing._2. We like reading._3.They like fish. _Yes , I do.No, I dont.Do you like singing?Do you like reading?Yes , we do.No, we dont.Do they like fish?Yes , they do.No, they dont.Does Mary like meat?Yes ,she does.No, she

14、doesnt.4. Mary likes meat.35归 纳: :肯定句 一般疑问句句1.be动词 把be动词提前2.Can等情态动词 把can 提前 3.没有be和情态动词 把助动词do（does）提前.36More practiceHis mother is a teacher. _The cat can catch a mouse._They can swim. _I like to read English. _He can sing a song. _She likes to eat cake. _They are in the park. _She is in Beijing. _ I am thirsty. _Is his mother a teacher ?Can the cat catch a mouse?Can they swim?Do you like to read English?Can he sing a song?Does she like to eat cake?Are they in the park?Is she in Beijing?Are you thirsty?