七年级句型转换课件.ppt

专项练习 句型转换,陈述句,肯定句,否定句,疑问句,一般疑问句,特殊疑问句,一.肯定句变否定句,1.1)I am a student.I am not a student.2)They are blue.They arent blue.3)He is Kangkang.He isnt Kangkang.,句子中有be，在be后加not。,2、谓语是动词原形，在动词前加dont。,1)I have a book.I dont have a book.2)They like Chinese.They dont like Chinese.3)We come from China.We dont come from China.,3、谓语动词是第三人称单数，在动词前加doesnt，动词用原形。,1)She has a small mouth.She doesnt have a small mouth.2)Maria likes China.Maria doesnt like China.3)Jane comes from the U.S.A.Jane doesnt come from the U.S.A.,练习：将下列句子变成否定句。,1.I am a teacher.I a teacher.2.We are students.We students.3.Jane is a girl.Jane a girl.4.They like English.They like Chinese5.I come from China.I come from China.6.He likes Chinese.He like Chinese.7.Maria comes from Cuba.Maria come from Cuba.8.We know Maria.We know Maria.,am,not,arent,isnt,dont,dont,doesnt,doesnt,dont,二、肯定句变为一般疑问句变化规则1)含be动词和情态动词的把它们提前。2)没有情态动词/be两项的加do/does。3)句末用“？”，开头单词字母大写。（注；有第一人称的要变第二人称）即：把I 变为you,把we变为you,把my变为your,把our变为your;把am变为 are。,1)I am a student.Are you a student?2)They are blue.Are they blue?3)He can play the guitar.can he play the guitar?,1、句子中有be/情态动词，把他们提到句首 Be:am,is are 情态动词：can,may,could,would,2.谓语是动词原形，在句首加do。,1)I have a book.Do you have a book?2)They like Chinese.Do they like Chinese?3)We come from China.Do you come from China?,3.谓语动词是第三人称单数，在句首加Does，动词用原形。,1)She has a small mouth.Does she have a small mouth?2)Maria likes China.Does Maria like China?3)Jane comes from the U.S.A.Does Jane come from the U.S.A?4)She knows Maria.Does she know Maria?,练习:将下列句子变成一般疑问句。,1.I am a teacher.a teacher?2.They are students.Students?3.Jane is a girl.a girl?4.They like English.they like English?5.I come from China.you come from China?6.He likes Chinese.he Chinese?7.Maria comes from Cuba.Maria from Cuba?8.We speak Chinese.you Chinese?,Are,you,Are,they,Is,Jane,Do,Do,Does,like,Does,come,Do,speak,三.一般疑问句做肯定,否定回答,Are you Maria?,肯定回答：Yes,主+助/系.,否定回答:No,主+助/系+not.,肯定回答：Yes,I am.,否定回答：No,Im not.,2.问句和答语的助动词保持一致.1)Are you a student?肯:Yes,I am.否：No,Im not.2)Is he Kangkang?肯：Yes，he is.否：No，he isnt.3)Do they like Chinese?肯：Yes,they do.否：No,they dont.4)Does she have a small mouth?肯：Yes,she does.否：No,she doesnt.,3.问句和答语中的主语保持一致。（必须用主格）,1)Is Jane from the U.S.A?2)Does Kangkang come from China?3)Do Jane and Maria like China?4)Is this a ruler?,肯:Yes,she is.,否:No，she isnt.,肯:Yes,he does.,否:No,he doesnt.,肯:Yes,they do.,否:No,they dont.,肯:Yes,it is.,否：No，it isnt.,5)Is that a desk?6)Are these books?7)Are those pencils?8)Are these erasers?9)Is that an orange?,肯：Yes，it is.,否：No，it isnt.,肯：Yes，they are.,否：No，they arent.,肯：Yes，they are.,否：No，they arent.,肯：Yes,they are.,否：No，they arent.,肯：Yes,it is.,否：No，it isnt.,练习：给下列句子做肯定回答或否定回答。,1.Are you a student?Yes,.No,.2.Do they like English?Yes,.No,.3.Is Jane a girl?Yes,.No,.4.Does Maria like China?Yes,.No,.,I,am,Im,they,not,they,do,dont,she,is,she,isnt,she,does,she,doesnt,he,5.Is Kangkang a student?Yes,.No,.6.Is that a girl?Yes,.No,.7.Are those telephones?Yes,.No,.8.Does Tom know Jane?Yes,.No,.9.Do they come from the U.S.A?Yes,.No,.10.Is this an egg?Yes,.No,.,is,he,isnt,it,is,it,isnt,they,are,they,arent,he,does,he,doesnt,they,do,they,dont,it,is,it,isnt,特殊疑问句（对划线部分提问）,特殊疑问句其实就是用疑问词引导的疑问句叫做特殊疑问句。它的结构就是：特殊疑问词+一般疑问句！疑问代词：what，who，whose，疑问副词：where，how,what“什么”，对事物，人名，职业，时间，电话号码提问注意：what class/grade 对班级提问 what color 对颜色提问 what is+人 对职业提问（干什么的）what time is it?=what is the time?(对时间)Who-“谁”，对人名，与人的关系提问注意：who is Lily?She is my sister.,Whose“谁的”，对所属关系提问The book is mine.(划线部分提问)Whose is the book.These are my books.(划线部分提问)Whose books are these?Where“哪里”，对地点、地方提问如:1)My sister is from China.(划线部分提问)Where is your sister from?2)He comes from China.(划线部分提问)Where does he come from?,How“怎么样”，对身体状况，天气提问 如：My father is fine.(划线部分提问)How is your father?注意：how old 对年龄对问 how much+不可数名词 how many+可数名词复数 how much+is/are？“多少钱”,“多少”，对数量提问,将划线部分去掉,分析句意.1.My name is Nancy.your name?2.I am from China.are you from?3.I am fine.are you?4.Miss.Wang is our English teacher.is your English teacher?5.Lucy is ten years old.are you?6.He is in Class One Grade Two.is he in?,Whats,Where,How,Who,How,old,What,class,特殊句式：What does he/she/其他主语+do?对职业提问“她/他是干什么的？”What does he/she look like?对人的外貌的提问“他/她长什么样子？”What can I do for you?购物用语，对人的需要提问，“我能为你做什么？”Can/may I help you?“我可以帮你吗？”What do you think of=How do you like你认为什么怎么样？,7.My telephone number is 5805000.your telephone number?8.They are cars.are these?9.This is my cap.cap is this?10.My favorite movie star is Bruce Lee.is your favorite movie star?11.It is yellow.is it？12.She is tall.What does she?,What,is,What,Whose,Who,What,color,look,like,五.同义句转换.,1.Please give Jane the book.Please the book Jane.2.Could you please tell me your name?Could you please your name me?3.He has short hair.is short.4.I have a big nose.is big.5.You have a wide mouth.is wide.,give,to,tell,to,His,hair,My,nose,Your,mouth,6.My English teacher is old.My English teacher is not.7.Betty is not short.Betty is.8.This is my book.This is.9.This jacket is not new.This jacket is.10.My ruler is not long.My ruler is.11.She looks like her mom.She and her mom look.12.They come from China.They China.,young,tall,mine,old,short,the,same,are,from,六、单数形式句子变复数形式1、指示代词变化:this变these,that变those.2、人称代词变化:I 变we;he/she/it变they;My 变our;his/her/its 变their，第二人称不变3、有am/is的要变成为are。,4、名词要做相应的变化；注意不规则变化的一些词：(man-men,woman-women,child-childrenJapanese,Chinese,English不变)如：1)I think she is that womans child.We think they are those womens children.,1.将下列句子变成复数.It is a box.boxes.This is a ruler.rulers.That is an eraser.erasers.He is a student.students.This is a bus.That is a pen.,They,are,These,are,Those,are,They,are,These,are,buses,Those,are,pens,2.将下列句子变成单数。,1.They are pencils.a pencil.2.These are erasers.an eraser.3.They are boys.a boy.4.They are girls.a girl.5.Those are books.a book.6.These are desks.a desk.7.These are boxes.a.8.Those are cars.a.,It,is,This,is,He,is,She,is,That,is,This,is,This,is,box,That,is,car,Goodbye!,Thank you!,