Unit 3 Section A Grammar focus（ppt课件）-2022新人教新目标版七年级上册《英语》.pptx

1、Unit 3 Is this your pencil?火眼金睛A:Is that your ruler?B:No,it isnt.It is hers.A:Is this your pen?B:Yes,it is.Its mine.This is a schoolbag.Is this your schoolbag?Yes,it is.Its mine.No,it isnt.Its his/hers.This is a pencil-box.Is this your pencil-box?Yes,it is.Its mine.No,it isnt.Its his/hers.Questions

2、Answers Is this your pencil?Yes,it is.Its mine./No,it isnt.Its hers.Is this his green pen?Yes,it is./No,it isnt.The blur pen is his.Is that your schoolbag?Yes,it is./No,it isnt.Its his.Are these your books?Yes,they are./No,they arent.Theyre hers.Are those her keys?Yes,they are./No,they arent.Theyre

3、mine.Grammar FocusAttention!its it isisnt is not arent are not一、什么是一般疑问句？用用yesnoyesno回答的问句回答的问句This is my shoolbag.这是我的书包。Is this your schoolbag?这是你的书包吗？观察：第一句是如何变成第二句的 疑问句肯定：Yes,it is.是的，它是。否定：No,it isnt.不，它不是。一般用用yesnoyesno回答的问句回答的问句 完成句子完成句子:这是她的铅笔。_ is _ pencil.Thisher改为一般疑问句：_ _ her pencil?this

4、isIs陈述句方法论：方法论：含含be be 动词的句子变一般疑问句动词的句子变一般疑问句变疑问，变疑问，be be 前提；前提；句首大写莫迟疑；句首大写莫迟疑；其余单词守纪律；其余单词守纪律；句末问号莫丢弃。句末问号莫丢弃。P27-28 Drills一般疑问句的肯定和否定回答：一般疑问句的肯定和否定回答：Is this your mother?Are these your brothers?Yes,it is.No,it isntYes,they are.No,they arentIs he your brother?Yes,he is.No,he isnt总结：总结：1.答语中的代词必须是

5、_代词，人称人称he、she、it、they、we、I不能用不能用these不能用不能用this和问句中的主语保持一致和问句中的主语保持一致一般疑问句的肯定和否定回答：一般疑问句的肯定和否定回答：Is this your pencil?Are these your brothers?Yes,it is.No,it isnt.Yes,they are.No,they arent.Is he your brother?Yes,he is.No,he isnt.总结：总结：2.答语中的动词通常和_保持一致问句中的首位动词问句中的首位动词56%46%This is my book.This is my

6、 book.That is my book.That is my book.近指近指远指远指 be be动词动词单数thisthatis肯定：Yes,it is.是的，它是。否定：No,it isnt.不，它不是。Is that your bookIs that your book？那是你的书吗那是你的书吗？那是我的书那是我的书。这是我的书。这是我的书。练习1.Is this your baseball?A.aB.anC.the D./2.Is that your pen?.Its her pen.A.Yes,it isB.Yes,that isC.No,it isnt D.No,that i

7、snt 近指近指远指远指 be be动词动词单数thisthatis复数复数thesethoseareThese are his pens.那些是他们的夹克衫。那些是他们的夹克衫。Those are their jackets.这些是他的钢笔。这些是他的钢笔。那些是他们的夹克衫吗？那些是他们的夹克衫吗？are those their jacketsAre?肯定：Yes,they are.是的，它们是。否定：No,they arent.不，它们不是。P29 表格表格P24 G71.This is her eraser.(改为一般疑问句改为一般疑问句,并作肯定并作肯定 回答回答)2.That is

8、 his pencil sharpener.(改为一般疑问句改为一般疑问句,并作否定回答并作否定回答)3.this,school,my,is,card,ID (连词成句连词成句)Is this her eraser?Yes,it is.Is that his pencil sharpener?No,it isnt.This is my school ID card.句型转换句型转换4.The picture is on the wall.(一般疑问句一般疑问句)5.Is that a soccer ball?(否定回答否定回答)6.Im Cindy.(同义句同义句)7.Is this your

9、 brother.(肯定回答肯定回答)No,it isnt.My names Cindy.Yes,it is.Is the picture on the wall?Is this your pencil?AYes,it is.Its mine.B我的它是我的。它是我的铅笔。Its my pencil.Are these your books?ANo,they arent.Theyre hers.B她的它们是她的。它们是她的书。Theyre her books.二、物主代词二、物主代词Its mine.Its my pencil.minemy pencilTheyre hers.Theyre h

10、er books.hersher books名词性物主代词ourshisyoursyourstheirs形物代+名词注：名物代本身是个名词注：名物代本身是个名词后面不跟任何事物后面不跟任何事物。P29 表格表格 P29 二二名词性物主代词。mine，hers，yours 等是名词性物主代词，相当于一个名词，可以在句子中单独使用。它相当于“形容词物主代词+名词”。而形容词性物主代词只能和名词在一起使用。例如：This is your ruler.Its not my ruler.(=This ruler is yours.Its not mine.)这是你的尺子，它不是我的。Those aren

11、t his books.Theyre her books.(=Those books arent his.Theyre hers.)那些书不是他的。它们是她的。形容词性物主代词和名词性物主代词表人称人称 一一 二二 三三单单复复单单/复复单单单单 单单复复形代形代myouryourhisheritstheir名代名代mineoursyourshishersitstheirs二、用所给词适当形式填空二、用所给词适当形式填空1.Is this (you)ruler2.The red hat is (she).3.Excuse _(I)Is this your ruler?4.Is that you

12、r cup?No，_(my)is white.5._(My)dogiswhite.But_(her)isblack.6.Are _(that)his books?7.Is the yellow ruler _(you)？yourhersmemineMyhersthoseyours三、名词所有格思考思考“富贵的电话号码”怎么说？Fuguis telephone number名词所有格名词所有格名词所有格：表示名词之间的所属关系，翻译为“的”有两种表示形式:一种s所有格，另一种是of 所有格。s所有格:有生命1.一般情况下，名词+s.eg.Lucys dog.her brothers ruler

13、狗的名字 2.名词以-s或-es结尾+.eg.Teachers Day3.表示节日 Childrens Day April Fools Day Mothers Day Teachers Day New Years Day 例如：安娜的 Annas 鲍勃的 Bobs名词所格的构成方法：一般的单数名词在词尾一般的单数名词在词尾直接加直接加“s”Toms book 汤姆的书汤姆的书 my uncles car 我叔叔的小汽车我叔叔的小汽车以以-s结尾的复数名词在词结尾的复数名词在词尾加尾加“”the students basketball学生们的篮球学生们的篮球不规则复数名词在词尾不规则复数名词在词

14、尾加加“s”Womens Day 妇女节妇女节Childrens Day 儿童节儿童节4.表住宅、医院等 eg.go to my uncles(home)at the doctorss所有格:有生命5.共有和各有 两者共同拥有时，最后一个名词+s eg.This is Lucy and Lilys bedroom.两者各自拥有时，每个名词+s eg.These are Lucys and Lilys bedrooms.书书P30 Drillsof 所有格:无生命 e.g.the door of the room 狗狗的名字是Haha。The_ _ is Haha.=The_ _ _ _ is

15、Haha.dogs namename of the dog1 (This/That)is a book.(This/That)is a pen over there.2Is that your schoolbag?(No/Not),it isnt.Its (she/her)schoolbag.一、根据句意，选词填空。This ThatNoher3Are these (yours/his)pencils?Yes,theyre (mine/his)4Is this (her/hers)picture?No,it (is/isnt)5Are (that/those)your maps?Yes,the

16、y are (me/mine)hismineherisntminethose6Is this your pen?Yes,its 7Is that his schoolbag?No,its not 8Is that her pencil?Yes,its 9Here are some oranges.Are they?No,they are not mine.二、用适当的代词填空，补全下列小对话。minehishersyours1.Are those your _(pencil box)?Yes,they are.Theyre _(my).2.Is that _(Anna)green eraser.No,it isnt.The red eraser is _(her).3.Are _(this)your keys?No,_(it)arent.4.Is the blue pencil _(your),Linda?No,it isnt.Its _(Bob).5.That isnt _(Eric)schoolbag._(his)is red.二、用所给单词的适当形式填空。thesetheymineAnnaspencil boxeshersyoursBobsEricsHis