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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is，复数are,人称代词主格和
2、Be动词的搭配,rfref,mjm,1.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 doctors.A.is is are B.am is are C.is is am,Im Alice Wang.Im a pupil.Im ni
3、ne 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.She is big.She is lovely.,isnt,isnt,isnt,人称代词主格（单数否定形式）,He is Eddie.S
4、he 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=YoureHe 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
5、 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 he 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y
6、ou,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 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
7、 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?,Mike,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
8、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 a
9、re 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.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 wil
10、l 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(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.
11、,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 have 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
12、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 park 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._ _
13、 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 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）,
14、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（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yo
15、u，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 school 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
16、,1.He goes to school by bus on weekdays,Does 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,he does./No he doesnt,助动词Did,1.Kangkang went to school by bus last week,Did Kangkang go t
17、o 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
18、 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 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
19、 take a walk after dinner.,否定：+didnt,1.Kangkang went to school by bus last week,Kangkang 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！,
20、将下列句子变为否定句1.The dog is bigger than the cat.The dog _ _ bigger than the cat.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 _ _e
21、at three hamburgers at a time.答案：He cant eat three hamburgers at 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-
22、working.,将下列句子变成一般疑问句1.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?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 supermark
23、ets in the city._ _ _supermarkets in the city?,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!,
