Be动词和一般疑问句PPT课件.ppt

1、.1BeBe动词和一般疑问句动词和一般疑问句.2I I amam Kangkang. Kangkang.I I amam a student. a student.You You areare my friend. my friend. You You areare a good person. a good person.She She is is from Canada. from Canada.He He is is Mr. Tang. Mr. Tang.It It is is my book.my book.3She She is is a good girl. a good girl

2、.My name My name is is Mr Tang. Mr Tang.This book This book is is red. red.We We areare students. students.They They areare good girls. good girls.These books These books areare red. red.4口诀口诀我我(I)(I)用用amam，你，你(you)(you)用用areare，is is用于他用于他(he)(he)她她(she)(she)它它(it)(it) 。单数单数is is，复数，复数areare.5人称代词主

3、格和人称代词主格和BeBe动词的搭配动词的搭配Iamheissheitweareyouthey.6rfrefrfrefmjm1. 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 .They both doct

4、ors . A. is is are B. am is are C. is is am.7Im 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 not.8Youre Sunny.Youre a teacher.You are tall.You are thin.Nice to meet you.notnotarentYou are Yo

5、u arentarent.9She is she isntShe is a queen.She is big.She is lovely.isntisntisnt.10人称代词主格（人称代词主格（单数单数 否定形式否定形式）He is Eddie.She is Kitty.It is Sam.notnotnotnotnotnotHe isnt Eddie.She isnt Kitty.It isnt Sam.11rfrefrfrefmjmI am= Im You are=YoureHe is= Hes She is=We are= It is=They are=ShesWereItsTheyr

6、e否定形式的缩写：否定形式的缩写：is not= isnt are not= arent am notam not没有缩写形式！没有缩写形式！.12ExercisesExercises肯定句改成否定句肯定句改成否定句; ;mYou are a queen.You are a queen.mHe is short.He is short.mIt is a pencil.It is a pencil.mIm a boy.Im a boy.mYou are nine.You are nine.mShe is small.She is small.13 概念概念 ： 简单地说，能用Yes / No(或

7、相当于Yes / No)回答的疑问句叫一般疑问句。 .14有有BeBe动词的陈述句改为一般疑问句的动词的陈述句改为一般疑问句的基本步骤基本步骤(1)(1)He is Kangkang.She is Mary. 找出找出bebe动词动词 将将bebe动词放到最前面动词放到最前面 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is She Mary.Is she Mary.Is she Mary?Is he Kangkang?.15有有BeBe动词的陈述句改为一般疑问句的动词的陈述句改为一般疑问句的基本步骤基本步骤(2)(2)I am K

8、angkang.I am Mary. 找出找出bebe动词动词 将将bebe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 I改为改为第二人称第二人称you,you,对应对应amam改成改成are(myare(my改成改成your)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?.16一般疑问（一般疑问（Simple QuesitonSimple Quesiton）It is a fish.It is a fish.They are fish.They are fish.This is

9、your book.This is your book.I I am a student. am a student.My My son is a son is a teacher.teacher.This is a car. This is a car. 陈述句陈述句 一般疑问句一般疑问句Is Is it a fish it a fish? ?Are Are they fishthey fish? ?Is Is this your book this your book? ?Are Are youyou a sthdenta sthdent? ?Is Is youryour son a so

10、n a teacherteacher? ?Is Is this a carthis a car? ? .17Exercises1Exercises12) My pens are blue. 2) My pens are blue. _ _ pens blue?_ _ pens blue?1) I am from China.1) I am from China._ _ _ from China?_ _ from China?AreAreyouyou3) He is ZhangPeng.3) He is ZhangPeng._ _ ZhangPeng?_ _ ZhangPeng?AreAreyo

11、uryour Is Is hehe4)Mike is a student .4)Mike is a student ._ _ a student?_ _ a student?MikeMike Is Is .18先用先用bebe的适当形式填空然后按照要求变换句型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：一般疑问句：_肯定回答：肯定回答：_否定回答：否定回答：_amYes, I am.No, I am not.No, Im not.缩写形式：Are you a teacher?.19先用先用bebe的适当形式填空然后按照要求变换句型的适当

12、形式填空然后按照要求变换句型My mother _ a teacher.My mother _ a teacher.一般疑问句：一般疑问句：_肯定回答：肯定回答：_否定回答：否定回答：_is isYes, she is.No, she is not.No, she isnt.缩写形式：Is your mother a teacher?.20She _ from Canada.She _ from Canada.一般疑问句：一般疑问句：_肯定回答：肯定回答：_否定回答：否定回答：_is 缩写形式：No, she is not.Yes, she is.No, she isnt.Is she fro

13、m Canada?.21_ we happy?_ we happy?陈述句：陈述句：_肯定回答：肯定回答：_否定回答：否定回答：_Are缩写形式：No, we are not.Yes, we are.No, we arent.We are happy.22They _ workers.They _ workers.一般疑问句：一般疑问句：_肯定回答：肯定回答：_否定回答：否定回答：_are缩写形式：Yes, they are.No, they are not.No, they arent.Are they workers?.23_ (_ (它是它是) an apple.) an apple.一

14、般疑问句：一般疑问句：_肯定回答：肯定回答：_否定回答：否定回答：_isIt缩写形式：Yes, it is.No, it is not.No, it isnt.Is it an apple?.24有有情态动词情态动词的陈述句改为一般疑问句的的陈述句改为一般疑问句的基本步骤基本步骤(1)(1)He can swim.She will go home soon. 找出找出情态动词情态动词 将情态动词放到最前面将情态动词放到最前面 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 g

15、o home soon .Will she go home soon?Can he swim?.25有情态动词的陈述句改为一般疑问句的有情态动词的陈述句改为一般疑问句的基本步骤基本步骤(2)(2)My sister can swim.I can speak English. 找出情态动词找出情态动词 将情态动词放到最前面将情态动词放到最前面 主语是第一人称主语是第一人称I I改为改为第二人称第二人称you (my you (my 改成改成your)your) 句号改成问号句号改成问号Can I I speak English.Can youyou speak English.Can you s

16、peak English?Can your sister swim?.26一般疑问（一般疑问（Simple QuesitonSimple Quesiton）It will be fine It will be fine later .later .They can dance.They can dance.The bird can fly.The bird can fly.I I can ride a bike. can ride a bike.They will have They will have fun .fun .MyMy friends could friends could wr

17、ite at the age write at the age of fiveof five陈述句陈述句 一般疑问句一般疑问句Will Will it be fine laterit be fine later? ?Can Can they dancethey dance? ?Can Can the bird flythe bird fly? ?Can you Can you ride a bikeride a bike? ?Will Will they have funthey have fun? ?Could your Could your friendsfriends write at

18、the age of write at the age of fivefive? ? .27Exercises1Exercises12) They could sing when they were 3. 2) They could sing when they were 3. _ _sing when they were 3?_ _sing when they were 3?1) I will go to the park by bike.1) I will go to the park by bike._ _ _ go to the park by bike?_ _ go to the p

19、ark by bike?WillWillyouyou3) My son can sing and dance.3) My son can sing and dance._ _ son sing and dance?_ _ son sing and dance?CouldCouldtheytheyCan Can 4)Mike would like a cake for breakfast .4)Mike would like a cake for breakfast ._ _ like a cake for breakfast?_ _ like a cake for breakfast?Mike

20、Mike WouldWould youryour.28_Can he speak English?Can he speak English?陈述句：陈述句：_肯定回答：肯定回答：_否定回答：否定回答：_缩写形式：No, he can not.Yes, he can.No, he cant.He can speak English.29_Can you speak English?Can you speak English?陈述句：陈述句：_肯定回答：肯定回答：_否定回答：否定回答：_缩写形式：No, I can not.Yes, I can.No, I cant.I can speak Eng

21、lish.30所以我们可以得出结论所以我们可以得出结论m1. 1. 如果肯定句中有如果肯定句中有bebe动词（动词（am, is, are, am, is, are, was, werewas, were）, , 或情态动词（或情态动词（will,can, will,can, could, must, could, must, 等），等），只需将只需将bebe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 I 要改成第要改成第二人称二人称youyou, , my my 改成改成your.your.m2. 2. 如果肯定句中有如果肯定句中有bebe动词（动词

22、（am, is, are, am, is, are, was, werewas, were）, , 或情态动词（或情态动词（will,can, will,can, could, must, could, must, 等），等），只需将只需将bebe动词或情态动词或情态动词之后加动词之后加notnot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somesome改成改成anyany哦！哦！.31m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？.32 如果句子中没有如果句子中没有bebe

23、动词、情态动词，则需要动词、情态动词，则需要借助助动词借助助动词do, doesdo, does或或diddid，将它们放在将它们放在句句首首，并将句中并将句中实义动词变为原形实义动词变为原形，若主语为若主语为第一人称第一人称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。.33助动词Do 1.They go to school by bus on weekdaysDo they go to school by bus on we

24、ekdays?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.34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 di

25、nner.Does your parent usually take a walk after dinner?-Yes, he does./No he doesnt-Yes, he does./No he doesnt.35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,

26、 he didnt.Yes, they did. / No, they didnt.36 如果句子中没有如果句子中没有bebe动词、情态动词，则动词、情态动词，则需要借助助动词需要借助助动词dont, doesntdont, doesnt或或didntdidnt, , 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, diddo, does, did后面必须使后面必须使用动词原形。用动词原形。.37否定：+dont 1.They go to school by bus on weekdaysThey dont go to school by bus o

27、n weekdays.2. My parents usually take a walk after dinner.My parents dont usually take a walk after dinner.38否定：+doesnt 1.He goes 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.39否

28、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.My parents didnt take a walk yesterday.40Conclusion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？ .41练一练！m将下列句子变为否定句m1

29、. 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 English 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 _

30、 _eat three hamburgers at a time. 答案： He cant eat three hamburgers at a time.42m4. 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.m5. My father is very hard-working. My father _ very hard-working. 答案： My father

31、isnt very hard-working.43m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：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?

32、3. There are many supermarkets in the city. _ _ _supermarkets in the city? Are there many .44m4. 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?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? .45