Be动词和一般疑问句.ppt

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1、Be动词和一般疑问句,I am Kangkang. I am a student. You are my friend. You are a good person. She is from Canada. He is Mr. Tang. It is my book.,She is a good girl. My name is Mr Tang. This book is red. We are students. They are good girls. These books are red.,口诀 我(I)用am，你(you)用are，is用于他(he)她(she)它(it) 。 单数i

2、s，复数are,人称代词主格和Be动词的搭配,rfref,mjm,1. They late. A. am B. is C. are 2. You student. A. am B. is C. are 3. The cloud white. A. am B. is C. are 4. I a student. You a teacher. A . am is B. am are C. is are 5. We friends. A. am B. is C. are 6. He my father. She my mother .They both doctors . A. is is are

3、B. am is are C. is is am,Im Alice Wang. Im a pupil. Im nine years old. Im tall. Nice to meet you.,Im not Alice Wang. Im not a pupil. Im not nine years old. Im not tall. Nice to meet you.,Youre Sunny. Youre a teacher. You are tall. You are thin. Nice to meet you.,not,not,arent,arent,She is a queen. S

4、he is big. She is lovely.,isnt,isnt,isnt,人称代词主格（单数否定形式）,He is Eddie. She is Kitty. It is Sam.,not,not,not,He isnt Eddie. She isnt Kitty. It isnt Sam.,rfref,mjm,be动词的缩写,I am= Im You are=Youre He is= Hes She is= We are= It is= They are=,Shes,Were,Its,Theyre,否定形式的缩写：,is not= isnt are not= arent,am not没

5、有缩写形式！,Exercises肯定句改成否定句;,You are a queen. He is short. It is a pencil. Im a boy. You are nine. She is small.,概念 ：,简单地说，能用Yes / No(或相当于Yes / No)回答的疑问句叫一般疑问句。,有Be动词的陈述句改为一般疑问句的基本步骤(1),He is Kangkang.,She is Mary.,找出be动词 将be动词放到最前面 首字母大写,原来的首字母改掉,其他照抄 句号改成问号,is She Mary.,Is she Mary.,Is she Mary?,Is h

6、e Kangkang?,有Be动词的陈述句改为一般疑问句的基本步骤(2),I am Kangkang.,I am Mary.,找出be动词 将be动词放到最前面 主语是第一人称I改为第二人称you,对应am改成are(my改成your) 句号改成问号,Am I Mary.,Are you Mary.,Are you Mary?,Are you Kangkang?,一般疑问（Simple Quesiton）,It is a fish. They are fish. This is your book. I am a student. My son is a teacher. This is a

7、car.,陈述句,一般疑问句,Is it a fish? Are they fish? Is this your book? Are you a sthdent? Is your son a teacher? Is this a car?,Exercises1,2) My pens are blue. _ _ pens blue?,1) I am from China.,_ _ from China?,Are,you,3) He is ZhangPeng. _ _ ZhangPeng?,Are,your,Is,he,4)Mike is a student . _ _ a student?,Mi

8、ke,Is,先用be的适当形式填空然后按照要求变换句型I _ a teacher.一般疑问句：_肯定回答：_否定回答：_,am,Yes, I am.,No, I am not.,No, Im not.,缩写形式：,Are you a teacher?,先用be的适当形式填空然后按照要求变换句型My mother _ a teacher.一般疑问句：_肯定回答：_否定回答：_,is,Yes, she is.,No, she is not.,No, she isnt.,缩写形式：,Is your mother a teacher?,She _ from Canada.一般疑问句：_肯定回答：_否定

9、回答：_,is,缩写形式：,No, she is not.,Yes, she is.,No, she isnt.,Is she from Canada?,_ we happy?陈述句：_肯定回答：_否定回答：_,Are,缩写形式：,No, we are not.,Yes, we are.,No, we arent.,We are happy.,They _ workers.一般疑问句：_肯定回答：_否定回答：_,are,缩写形式：,Yes, they are.,No, they are not.,No, they arent.,Are they workers?,_ (它是) an apple

10、.一般疑问句：_肯定回答：_否定回答：_,is,It,缩写形式：,Yes, it is.,No, it is not.,No, it isnt.,Is it an apple?,有情态动词的陈述句改为一般疑问句的基本步骤(1),He can swim.,She will go home soon.,找出情态动词 将情态动词放到最前面 首字母大写,原来的首字母改掉,其他照抄 句号改成问号,will She go home soon.,Will she go home soon .,Will she go home soon?,Can he swim?,有情态动词的陈述句改为一般疑问句的基本步骤(

11、2),My sister can swim.,I can speak English.,找出情态动词 将情态动词放到最前面 主语是第一人称I改为第二人称you (my 改成your) 句号改成问号,Can I speak English.,Can you speak English.,Can you speak English?,Can your sister swim?,一般疑问（Simple Quesiton）,It will be fine later . They can dance. The bird can fly. I can ride a bike. They will hav

12、e fun . My friends could write at the age of five,陈述句,一般疑问句,Will it be fine later? Can they dance? Can the bird fly? Can you ride a bike? Will they have fun? Could your friends write at the age of five?,Exercises1,2) They could sing when they were 3. _ _sing when they were 3?,1) I will go to the par

13、k by bike.,_ _ go to the park by bike?,Will,you,3) My son can sing and dance. _ _ son sing and dance?,Could,they,Can,4)Mike would like a cake for breakfast . _ _ like a cake for breakfast?,Mike,Would,your,_Can he speak English?陈述句：_肯定回答：_否定回答：_,缩写形式：,No, he can not.,Yes, he can.,No, he cant.,He can

14、speak English.,_Can you speak English?陈述句：_肯定回答：_否定回答：_,缩写形式：,No, I can not.,Yes, I can.,No, I cant.,I can speak English.,所以我们可以得出结论,1. 如果肯定句中有be动词（am, is, are, was, were）, 或情态动词（will,can, could, must, 等），只需将be动词提前构成一般疑问句;主语若为第一人称I 要改成第二人称you, my 改成your. 2. 如果肯定句中有be动词（am, is, are, was, were）, 或情态动词

15、（will,can, could, must, 等），只需将be动词或情态动词之后加not即可得到相应的否定句。,记得把some改成any哦！,如果句子中没有be动词、情态动词，那么句子要怎么变成一般疑问句和否定句呢？,如果句子中没有be动词、情态动词，则需要借助助动词do, does或did，将它们放在句首，并将句中实义动词变为原形，若主语为第一人称I， 则改为第二人称you，my改成your!,改为一般疑问句, 注意：do, does, did后面必须使用动词原形。,助动词Do,1.They go to school by bus on weekdays,Do they go to sch

16、ool by bus on weekdays?,2. My parents/I usually take a walk after dinner.,Do your parents/you usually take a walk after dinner?,-Yes, they do./ No they dont,-Yes, they/I do./ No they/I dont,助动词Does,1.He goes to school by bus on weekdays,Does he go to school by bus on weekdays?,2. My parent usually t

17、akes a walk after dinner.,Does your parent usually take a walk after dinner?,-Yes, he does./No he doesnt,-Yes, he does./No he doesnt,助动词Did,1.Kangkang went to school by bus last week,Did Kangkang go to school by bus last week?,2. My parents took a walk yesterday.,Did your parents take a walk after d

18、inner?,Yes, he did. / No, he didnt.,Yes, they did. / No, they didnt.,如果句子中没有be动词、情态动词，则需要借助助动词dont, doesnt或didnt, 放于动词之前，主语之后。,改为否定句, 注意：do, does, did后面必须使用动词原形。,否定：+dont,1.They go to school by bus on weekdays,They dont go to school by bus on weekdays.,2. My parents usually take a walk after dinner.

19、,My parents dont usually take a walk after dinner.,否定：+doesnt,1.He goes to school by bus on weekdays,He doesnt go to school by bus on weekdays.,2. My parent usually takes a walk after dinner.,My parent doesnt usually take a walk after dinner.,否定：+didnt,1.Kangkang went to school by bus last week,Kang

20、kang didnt go to school by bus last week.,2. My parents took a walk yesterday.,My parents didnt take a walk yesterday.,Conclusion,结构 肯定句：主语+ be动词/实义动词/情态动词+其他 否定句：主语+ be动词/助动词/情态动词+not+其他 一般疑问句： Be 动词/助动词/情态动词+主语+其他？,练一练！,将下列句子变为否定句 1. The dog is bigger than the cat. The dog _ _ bigger than the cat.

21、 答案：The dog is not bigger than the cat. 2. My English teacher speaks English very fast. My English teacher _ _ English very fast. 答案：My English teacher doesnt speak English very fast. 3. He can eat three hamburgers at a time. He _ _eat three hamburgers at a time. 答案： He cant eat three hamburgers at

22、a time.,4. Susie found some money on her way to school. Susie _ _ _ money on her way to school. 答案：Susie didnt find any money on her way to school. 5. My father is very hard-working. My father _ very hard-working. 答案： My father isnt very hard-working.,将下列句子变成一般疑问句 1. He took many photos in front of

23、the Summer Palace. _he_many photos in front of the Summer Palace？ 答案：Did he take many photos in front of the Summer Palace? 2. The Earth moves around the Sun. _the Earth _around the Sun? 答案：Does the Earth move around the Sun? 3. There are many supermarkets in the city. _ _ _supermarkets in the city?

24、,Are there many,4. We must send him to the hospital at once. _we _him to the hospital at once? 答案：Must we send him to the hospital at once? 5. Tom usually gets up at 11:00 a.m. on Sundays. _ 答案：Does Tom usually get up at 11:00 a.m. on Sundays ? 6. I wrote a letter to my uncle the day before yesterday. _ 答案：Did you write a letter to your uncle the day before yesterday?,Thank you!,