Unit 3 Is this your pencilSection A Grammar focus-3c（ppt课件）-2022秋人教新目标版七年级上册《英语》.pptx

1、人教新目标版 七年级(上)Unit 3 Is this your pencil?Period 2 Grammar Focus-3c 语法课优质课PresentationLearning aims1.复习下列单词：pencil book eraser pencil box schoolbag dictionary mine his hers 学会用下列英语句型询问物品的归属关系Is this/that your.?Yes,it is.Its mine.No,it isnt.Its hers/his.Are these your.?Yes,they are.Theyre mine.No,they

2、arent.Theyre his/hers.2.掌握以be动词引导的一般疑问句，3.掌握名词性物主代词的用法。PresentationRevisionPre-grammarAsk and answer.Is this your pencil?Yes,It is.Its mine.Is that your pencil?No,it isnt.Its hers.Is that your schoolbag?Yes,It is.Its mine.No,it isnt.Its hers.PresentationRevisionPre-grammarAsk and answer.Are these yo

3、ur books?Yes,they are.Are those her books?No,they arent.Theyre his.Are those your keys?No,they arent.Theyre mine.Yes,they are.Are those her keys?PresentationRevisionPre-grammar Ask and answer.Is this your book?Yes,_.Its _ book.it ismy _.minemine=my bookIs that your pencil box?No,_.Its her_it isntpen

4、cil box _.hershers=her pencil boxPresentationRevisionPre-grammar Ask and answer.Is this your ruler?No,_.Its his_.it isntruler _.his his=his bookAre these my books?Yes,_.Theyre _ books.they areyour _.yours your booksyours=PresentationRevisionPre-grammar Ask and answer.Is this your schoolbag?Yes,it is

5、.Its mine.my schoolbagIs this your eraser?No,it isnt.Its his.his eraserIs that your pencil?No,it isnt.Its hers.her pencilPresentationWhile-grammarLook and translate.Grammar FocusRead the sentences and translate them.PresentationFill in the blanks according to Grammar Focus.While-grammarPractice1.这是你

6、的铅笔吗？_ _ your pencil?2.是的。它是我的。Yes,_ _.Its _.3.那是你的书包吗？_ _ your schoolbag?4.不是。它是他/她的。No,_ _.Its _/_.5.这是他的绿色钢笔吗？_ this _ _ pen?6.不。那只蓝色钢笔是他的。No,_ _.The _ _ is _.7.这些是你的书吗？_ _ your books?8.是的。/不是。Yes,_ _./No,_ _.9.那些是她的钥匙吗？_ _ her _?10.不是。它们是她的。No._ hers.Is thismineIs thatit isnt his hers it is Is h

7、is greenit isntblue pen hisAre thesethey arethey arentAre those keysTheyrePresentationGrammar Focus探究语法规律While-grammarWhat did you find?探究一：指示代词用法1.指示代词 表示“这个”“那个”“这些”“那些”等指示概念的词,叫指示代词。如this，that,these,those等。英语中指示代词的用法同汉语中的情况相似,this(这个)和these(这些)一般用来指较近的人或事物,that(那个)和those(那些)则指较远的人或事物。Presentation

8、While-grammarGrammar Focus探究语法规律探究一：指示代词用法2.学习指示代词,应注意以下几点:this与is,these与are没有缩写形式。This is a Chinese car.这是一辆国产轿车。指示代词作主语指物并用于问句中 时，回答一般用it代替this和that，they代替these和those.3.指示代词在句子中的用法在句子中指示代词可以充当主语、定语、宾语或表语。例如：This is a pear.(作主语)这是一个梨。These video clips are very interesting and those ones are not.(作定

9、语)这些光碟很有趣,那些没意思。I like this very much.(作宾语)我很喜欢这个。Oh,its not that.(作表语)哦,不是那个。PresentationGrammar Focus探究语法规律While-grammarWhat did you find?单数 复数 探究二：单数复数的用法1.this(这个这个)、that(那个那个)，表示一个物体，是单数概念，后面的名词用单数，表示一个物体，是单数概念，后面的名词用单数形式形式(pencil,pen,schoolbag),回答时也用单数形式回答时也用单数形式(it is,it isnt;Its)2.these(这些这些

10、)、those(那些那些)，表示一些物体，是复数概念，后面的名词用，表示一些物体，是复数概念，后面的名词用复数形式复数形式(books,keys),回答时也用复数形式回答时也用复数形式(they are,they arent,Theyre)。PresentationGrammar Focus探究语法规律While-grammarWhat did you find?探究三：be动词的一般疑问句含有含有be动词的一般疑问句，即动词的一般疑问句，即“be 动词动词+主语（指示代词）主语（指示代词）+其他？其他？”;当主语是指示代词当主语是指示代词this/that,作省略回答时，要用作省略回答时，要

11、用it代替；代替；当主语是指示代词当主语是指示代词these/those,作简略回答时，要用作简略回答时，要用they代替代替;第一人称改为一般疑问句要进行人称转换。第一人称改为一般疑问句要进行人称转换。e.g.This is my book.（改为一般疑问句）（改为一般疑问句）Is this your book?PresentationWhile-grammarGrammar Focus探究语法规律探究三：be动词的一般疑问句一般疑问句是在句子中用提问的方式提供一些信息，要求对方用 Yes 或No 回答的疑问句。朗读一般疑问句用升调，其简略答语用降调。由 be 动词（am，is，are）引导

12、的疑问句结构是：“be+主语+其他部分？”Is that your bike?那是你的自行车吗？Are they your friends?他们是你的朋友吗？其答语：肯定回答：Yes,主语+be(am,is,are)否定回答：No,主语+be(am,is,are)not-Is this your pencil?这是你的铅笔吗？-Yes,it is./No,it isnt.是的。/不是。PresentationGrammar Focus探究语法规律While-grammarWhat did you find?单数形容词性物主代词形容词性物主代词后需带名词名词性物主代词名词性物主代词后不能再接名词

13、，本身相当于名词。=my pencil=her pencil=his pencil=his school bag=her books=my keys探究四：形容词性名词性物主代词的用法。复数PresentationWhile-grammarGrammar Focus探究语法规律探究四：形容词性名词性物主代词的用法。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 i

14、s yours.Its not mine.)Those arent his books.Theyre her books.(=Those books arent his.Theyre hers.)Imymineyouyouryourssheherhershehishis人称代词 主格(作主语)形容词性物主代词后面必须跟名词 名词性物主代词后面不能跟名词 PresentationWhile-grammarGrammar Focus探究语法规律探究四：形容词性名词性物主代词的用法。形容词性物主代词只能作定语，放在名词前。我的名字是杰克。_他们的电话是多少？_这是她的书。_你爸爸是个老师吗？_My

15、name is Jack.What are their phone number?This is her book.Is your father a teacher?在汉语中有些表示所有关系的会省略“的”，大家在翻译成英语时要注意，不要误把它们翻译成人称代词。我哥哥 I brother my brother你妈妈_ _ 他妹妹_your motherhis sister形容词性物主代词修饰名词时,不能和冠词或指示代词一起使用.This is my pencil.不能说成:This is my a pencil.PresentationWhile-grammarGrammar Focus探究语法

16、规律探究四：形容词性名词性物主代词的用法。名词性物主代词可以作主语。1.我们的书在一楼，他们的在二楼。_ _are on the first floor._ on the second.Our booksTheirs aretheir books2.这是你的盒子吗？不，我的是黑色的。Is this _ _?No,_ _ black.your boxmine ismy box名词性物主代词作主语时，要注意它指代的名词是单数还是复数，从而使用正确的be动词形式与之搭配。名词性物主代词可以作表语。1.1.这是谁的书？是他的。这是谁的书？是他的。_Whose book is this?Its his.

17、his book2.这把尺子是你的，那把是她的。This ruler is _,that one is _.your ruleryourshersPresentationWhile-grammarGrammar Focus探究语法规律探究四：形容词性名词性物主代词的用法。名词性物主代词可以作表语。3.哪只钢笔是我的？蓝色的那一件。Which pen is _?The blue one.minemy pen名词性物主代词相当于一个名词，即“形容词性物主代词+名词”,起到避免重复的作用。名词性物主代词可以作宾语。I cant find my pen.May I use yours?我找不到我的钢笔

18、。我能用一下你的吗？请帮我打开我的（书）。_Open mine for me,please.名词性物主代词与of连用作定语。他是我的一个朋友。_ _ He is a friend of mine.PresentationWhile-grammarPractice用括号里所给词的正确形式填空1.That isnt _ pen,_ is orange.(I)2._ ask _ teacher for help.(I)3.This is _(she)book,thats _(you).4.These pens arent _(I),theyre _(she).5.This is _ notebook

19、,and the computer game is _ ,too.(he)6._ is my sister,Anna is _ name.(she)my I her mine his She mine myyours hers his herPresentationWhile-grammarPractice照例子改写同义句：This is my pencil.This pencil is mine.1.This is her schoolbag._.2.Is that your watch?_?3.These are his keys._.4.Are those her books?_?5.T

20、hey are my erasers._.This schoolbag is hersIs that watch yoursThese keys are hisAre those books hersThe erasers are minePracticePost-grammar3aComplete the questions and answers about each picture.Is _ your book?Yes,it is.No,it _.Are _ my pencils?Yes,_ are.No,they arent.Is _ his ruler?Yes,it _.No,it

21、isnt.Are _ her pens?Yes,they are.No,they _.thisisntthesetheythatisthosearentPresentation3bPracticePost-grammarRead the questions and complete the answers.1.Is this her ruler?2.Is that Erics schoolbag?3.Are these his pencils?4.Are those Annas books?Yes,_.Its _.No,_._ Sallys.Yes,_.Theyre _.No,_._ mine

22、.it ishersit isntthey arehisthey arentTheyre=Sallys schoolbagPresentationPracticePost-grammarPut some things into the teachers box.Then take one thing out of the box and find the owner.You only have two guesses!No,it isnt.Is this your eraser?Is this/that your Yes it is./No it isnt.Are these/those yo

23、ur.Yes,they are./No,they arent.3cPresentationPracticeFind the owner of the eraser.A:Excuse me.Is this your eraser?B:No,it isnt.I think its her/his eraser.A:Excuse me.Is this your eraser?C:No,it isnt.I think its her/his eraser.A:Is this your eraser?D:Yes,it is.Its my eraser.A:Here you are.D:Thank you

24、.Post-grammarPresentationActingPost-grammar情景剧编演“Is this your?”Useful expressions(参考语言)：Excuse me.Here you are.Thank you.You are welcome.Is this/that your?Yes,it is.It is mine./No,it isnt.Its hers/his.To be a good student of money (做一个拾金不昧的好学生)PresentationLanguage pointsPost-grammar1.Teacher:What ab

25、out this dictionary?Anna:Its Helens.(1)What about?意为意为“怎么样？怎么样？”,相当于相当于 How about?后面可接名后面可接名词、代词或动词词、代词或动词-ing形式。用于非正式场合中对所谈话题进行反问，或向形式。用于非正式场合中对所谈话题进行反问，或向对方征求意见。对方征求意见。(2)Helens表示“海伦的”。s是“名词所有格”，用于名词的后边，表示“的”。2.Thank you for your help,Anna.thank you for 意为“为感谢你”,等于Thanks for,都是表达感谢的方式。for是介词，后加名词、

26、代词或动词-ing形式。表示感谢的内容或原因，即 thank you for sth.或 thank you for doing sth.PresentationClass testPost-grammar()1.Is this your key,Jenny?No._ is in my schoolbag.A.His B.Hers C.Mine()2.Is this _ book?No,it isnt _.A.theirs;their B.hers;his C.your;mine()3.The green pen isnt _.Its _.A.his,his B.his,yours C.you

27、rs,my()4.Excuse me,are these _ new shoes?No,they arent._ are black over there.A.her,Hers B.her,She C.hers,Her()5.These arent _ yellow pencils.The blue pencils are _.A.mine,my B.his,his C.hers,her()6.Is that _ pencil box?No,it isnt.Its _.A.Eric,Lindas B.Linda,Eric C.Erics,Lindas CCB一、单项选择ABCPresentat

28、ionClass testPost-grammar1.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.thesetheymineAnnaspencil boxeshersyoursBobsEricsHis二、用所给单词正确的形式填空