Be动词和一般疑问句教学课件.ppt

1、Be动词和一般疑问句动词和一般疑问句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.口诀口诀我我(I)用用am，你，你(you)用用are，is用于他用于他(he)她她(she)它它(it)

2、 。单数单数is，复数，复数are人称代词主格和BeBe动词的搭配Iamheissheitweareyoutheyrfrefrfrefmjm1. They late.A. am B. is C. are2. You student. A. am B. is C. are3. The cloud white.A. am B. is C. are4. I a student. You a teacher.A . am is B. am are C. is are5. We friends. A. am B. is C. are6. He my father. She my mother . The

3、y both doctors . A. is is are B. am is are C. is is amIm 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.Im Im notYoure Sunny.Youre a teacher.You are tall.You are thin.Nice to meet you.notnotarentYou

4、 are You arentarentShe is she isntShe is a queen.She is big.She is lovely.isntisntisnt人称代词主格（单数 否定形式）He is Eddie.She is Kitty.It is Sam.notnotnotHe isnt Eddie.She isnt Kitty.It isnt Sam.rfrefrfrefmjmI am= Im You are=YoureHe is= Hes She is=We are= It is=They are=ShesWereItsTheyre否定形式的缩写：否定形式的缩写：is no

5、t= isnt are not= arent am not没有缩写形式！没有缩写形式！ExercisesExercises肯定句改成否定句; ;1.You are a queen.2.He is short.3.It is a pencil.4.Im a boy.5.You are nine.6.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BeBe动词的陈述句改为一般疑问句的基本步骤(1)(1)He is Kangkang.She is Mary.找出找出be动词动词将将be动词放到最前面动词放到最前面首字母大写

6、首字母大写,原来的首原来的首字母改掉字母改掉,其他照抄其他照抄句号改成问号句号改成问号is She Mary.Is she Mary.Is she Mary?Is he Kangkang?有BeBe动词的陈述句改为一般疑问句的基本步骤(2)(2)I am Kangkang.I am Mary.找出找出be动词动词将将be动词放到最前面动词放到最前面主语是第一人称主语是第一人称I改为改为第二人称第二人称you,对应对应am改成改成are(my改成改成your)句号改成问号句号改成问号Am I Mary.Are you Mary.Are you Mary?Are you Kangkang?一般疑问

7、（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 car. 陈述句陈述句 一般疑问句一般疑问句Is it a fish?Are they fish?Is this your book?Are you a sthdent?Is your son a teacher?Is this a car? Exercises1Exercises12) My pens are blue. _ _ pens blue?1) I am fro

8、m China._ _ from China?Areyou3) He is ZhangPeng._ _ ZhangPeng?Areyour Is he4)Mike is a student ._ _ a student?Mike Is 先用bebe的适当形式填空然后按照要求变换句型I _ a teacher.I _ a teacher.一般疑问句：_肯定回答：_否定回答：_amYes, I am.No, I am not.No, Im not.缩写形式：Are you a teacher?先用bebe的适当形式填空然后按照要求变换句型My mother _ a teacher.My mothe

9、r _ a teacher.一般疑问句：_肯定回答：_否定回答：_isYes, she is.No, she is not.No, she isnt.缩写形式：Is your mother a teacher?She _ from Canada.She _ from Canada.一般疑问句：_肯定回答：_否定回答：_is 缩写形式：No, she is not.Yes, she is.No, she isnt.Is she from Canada?_ we happy?_ 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

10、.No, we arent.We are happy.They _ workers.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.) an apple.一般疑问句：_肯定回答：_否定回答：_isIt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)(1)He can swim.She

11、will go home soon.找找出出情态动情态动词词将情态动将情态动词放到最前面词放到最前面首字母大写首字母大写,原来的首原来的首字母改掉字母改掉,其他照抄其他照抄句号改成问号句号改成问号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(2)(2)My sister can swim.I can speak English.找找出情态动出情态动词词将情态动将情态动词放到最前面词放到最前面主语是第一人称主语是第一人称I改为改为第二人称第二

12、人称you (my 改改成成your)句号改成问号句号改成问号Can I speak English.Can you speak English.Can you speak English?Can your sister swim?一般疑问（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 have fun .My friends could write at the age of five陈述句陈述句 一般疑问句一般疑问句Will it

13、 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? Exercises12) They could sing when they were 3. _ _sing when they were 3?1) I will go to the park by bike._ _ go to the park by bike?Willyou3) My son can sing and dance._

14、 _ son sing and dance?CouldtheyCan 4)Mike would like a cake for breakfast ._ _ like a cake for breakfast?Mike Would your_Can he speak English?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 speak English._Can you speak English?Can you speak English?陈述句：_肯定回答：

15、_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所以我们可以得出结论m1. 如果肯定句中有如果肯定句中有be动词（动词（am, is, are, was, were）, 或情态动词（或情态动词（will,can, could, must, 等），等），只需将只需将be动词提前构动词提前构成一般疑问句成一般疑问句;主语若为第一人称主语若为第一人称I 要改成要改成第二人称第二人称you, my 改成改成your.m2. 如果肯定句中有如果肯定句中有be动词（动词（am, is, are, w

16、as, were）, 或情态动词（或情态动词（will,can, could, must, 等），等），只需将只需将be动词或情态动词或情态动词之后加动词之后加not即可得到相应的否定句。即可得到相应的否定句。记得把记得把some改成改成any哦！哦！m如果句子中如果句子中没有没有bebe动词、情态动词，那么句子动词、情态动词，那么句子要怎么变成一般疑问句和否定句呢？要怎么变成一般疑问句和否定句呢？ 如果句子中没有如果句子中没有bebe动词、情态动词，则需动词、情态动词，则需要借助助动词要借助助动词do, doesdo, does或或diddid，将它们放在将它们放在句首句首，并将句中并将句中

17、实义动词变为原形实义动词变为原形，若主若主语为第一人称语为第一人称I I， 则改为第二人称则改为第二人称youyou，mymy改成改成youryour! !改为一般疑问句 注意：注意：do, does, diddo, does, did后面必须使后面必须使用动词原形。用动词原形。助动词Do 1.They go to school by bus on weekdaysDo they go to school by bus on weekdays?2. My parents/I usually take a walk after dinner.Do your parents/you usually

18、 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 weekdaysDoes he go to school by bus on weekdays?2. My parent usually takes a walk after dinner.Does your parent usually take a walk after dinner?-Yes, he does./No he doesnt-Yes

19、, he does./No he doesnt助动词Did 1.Kangkang went to school by bus last weekDid Kangkang go to school by bus last week?2. My parents took a walk yesterday.Did your parents take a walk after dinner?Yes, he did. / No, he didnt.Yes, they did. / No, they didnt. 如果句子中没有如果句子中没有be动词、情态动词，动词、情态动词，则需要借助助动词则需要借助助

20、动词dont, doesnt或或didnt, 放于动词之前，主语之后。放于动词之前，主语之后。改为否定句 注意：注意：do, does, did后面必须使后面必须使用动词原形。用动词原形。否定：+dont 1.They go to school by bus on weekdaysThey dont go to school by bus on weekdays.2. My parents usually take a walk after dinner.My parents dont usually take a walk after dinner.否定：+doesnt 1.He goes

21、to school by bus on weekdaysHe 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 weekKangkang didnt go to school by bus last week.2. My parents took a walk yesterday.

22、My parents didnt take a walk yesterday.Conclusion结构肯定句：主语+ be动词/实义动词实义动词/情态动词+其他否定句：主语+ be动词/助动词助动词/情态动词+not+其他 一般疑问句： Be 动词/助动词助动词/情态动词+主语+其他？ 练一练！m将下列句子变为否定句m1. The dog is bigger than the cat.m The dog _ _ bigger than the cat. 答案：The dog is not bigger than the cat. 2. My English teacher speaks Eng

23、lish very fast.m My English teacher _ _ English very fast. 答案：My English teacher doesnt speak English very fast. m3. He can eat three hamburgers at a time.m He _ _eat three hamburgers at a time. 答案： He cant eat three hamburgers at a time.m4. Susie found some money on her way to school. Susie _ _ _ m

24、oney on her way to school. 答案：Susie didnt find any money on her way to school.m5. My father is very hard-working. My father _ very hard-working. 答案： My father isnt very hard-working.m将下列句子变成一般疑问句m1. He took many photos in front of the Summer Palace. _he_many photos in front of the Summer Palace？ 答案：

25、Did he take many photos in front of the Summer Palace?m2. 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? Are there many m4. We must send him to the hospital at once. _we _hi

26、m to the hospital at once? 答案：Must we send him to the hospital at once?m5. 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?