公开课Unit 3 Is this your pencil？SectionA (Grammar Focus

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(共42张PPT)Unit 3 Is this your pencil SectionA（GF-3c）新目标(Go for it)版七年级上册Choose one apple. Then say the word or phrase in English.铅笔书橡皮文具盒字典书包老师劳驾;请原谅pencilbookeraserdictionarypencil boxteacherschoolbag12excuse me634578RevisionChoose one card. Then say the sentence in English.1. 这是你的铅笔吗？2. 这些是你的书吗？3. 谢谢你的帮助。4. 那是你的橡皮吗？5. 那些是你的字典吗？6. 不客气。1. Is this your pencil 2. Are these your books 3. Thanks for your help.OneTwoThree4. Is that your eraser 5. Are those yourdictionaries 6. You're welcome.FiveFourSixRevisionLead-inLet’s sing together!There is a dictionary, a book, two erasers and three pencils at the lost and found.How to find the owners by asking questions And how to answer these questions LostFound在失物招领处PresentationIs this your pencil Yes, it is. It’s mine./No, it isn’t. It’s hers.Is this his green pen Yes, it is./No, it isn’t. The blue pen is his.Is that your schoolbag Yes, it is./No, it isn’t. It’s his.Are these your books Yes, they are./No, they aren’t. They’re hers.Are those her keys Yes, they are./No, they aren’t. They’re mine.请总结含be动词的一般疑问句结构和简略回答。Grammar Focus主语Be其他 主语Yesbe.主语Noben’t.1.询问事情或者某种情况是否属实并需要对方用_______回答的句子2.结构:________________________答语:___________________,主语和be动词_________。______________________,is，are和not要_______,但am和not_________ 。3. 一般疑问句的主语是this/that，答语中主语用_____代替;主语是these/those的时候，答语中主语用_____代替。yes或noBe 动词+主语+其它？Yes, 主语+be 动词.No, 主语+be 动词+not.itthey不能缩写缩写不能缩写Grammar Focus含有 be 动词的一般疑问句Is this your pencil Yes, it is. It’s mine./No, it isn’t. It’s hers.Is this his green pen Yes, it is./No, it isn’t. The blue pen is his.Is that your schoolbag Yes, it is./No, it isn’t. It’s his.Are these your books Yes, they are./No, they aren’t. They’re hers.Are those her keys Yes, they are./No, they aren’t. They’re mine.请找出所有的物主代词，并解释其含义。my pencilher pencilhis penhis schoolbagher booksmy keysGrammar FocusIs your ruler Yes, it is. It is my ruler.mine.thisThis is my ruler.You ask and I answer!Is your pencil box thatNo, it isn’t. It’s his pencil box.his.This is my pencil box.You ask and I answer!Is your schoolbag thatNo, it isn’t. It’s her schoolbag.hers.This is my schoolbag.You ask and I answer!Are your erasers Yes, they are. They’re my erasers.mine.theseThese are my erasers.You ask and I answer!Are your pens thoseNo, they aren’t. They’re his pens.his.These are my pens.You ask and I answer!Are your erasers thoseNo, they aren’t. They’re her erasers.hers.These are my erasers.You ask and I answer!Can you complete the sentences in the same way 形容词性物主代词 名词性物主代词my mineyour yourshis hisher hersits itsour ourstheir theirsThis is_______pencil. It’s_______.That is_______pencil. It’s_______.These are_______pencils. They are_______.Those are_______pencils. They are_______.This is_______pencil. It’s_______.That is_______pencil. It’s_______.These are_______pencils. They are_______.mymineyouryourshishisherhersitsitsourourstheirtheirs____________________+ 名词相当于____________________ 表示“谁的什么”形容词性物主代词名词性物主代词1．—________ her parents —No. Hers ________ at home.A．Are them; are B．Is these; isC．Are they; are D．Is those; isC【点拨】由parents可知前面用复数，排除B、D。又因them不能作主语，因此答案为C。 句意为：——他们是她的父母吗？——不是，她的(父母)在家里。Exercise2．—Is that your key —No, ________ isn't.A．this B．those C．it D．They3．—________these Lucy's pencils —Yes, ________.A．Are; they are B．Is; these isC．Are; those are D．Are; these areC【点拨】用语法判定法解题。含有this或that的一般疑问句，其答语中主语用it。A【点拨】含有these或those的一般疑问句，其答语中主语用they。Exercise4．—David, is that ________ English teacher —Yes, he is ________. He is very caring. (滨州)A．yours; ours B．your; ourC．yours; our D．your; oursD【点拨】your你们的，形容词性物主代词；yours你们的，名词性物主代词；our我们的，形容词性物主代词；ours我们的，名词性物主代词。分析句子成分可知第一个空格处的词作定语，应用形容词性物主代词；第二个空格处的词作表语，应用名词性物主代词。故选D。Exercise5．—Hi，Jack. Is this your new dictionary —No. ________is over there. It's a present from my uncle.A．Mine B．YoursC．Hers D．HisA【点拨】mine我的；yours你的，你们的；hers她的；his他的。根据句意“——你好，杰克。这是你的新字典吗？——不。我的在那边。它是我叔叔给我的一个礼物。”这里的“我的”指的是“我的新字典”，故选A。Exercise3. 我们已经学过的名词性物主代词有:我的______;你的/你们的______; 他的_____;她的______;相当于______________________ 在句中单独做主语、宾语或表语。作主语时，谓语动词的单复数形式由名词性物主代词所指代的名词的数决定。mineyourshishers形容词性物主代词+名词Grammar Focus形容词性能力差，自己不能来当家。句子当中作定语，身后定把名词加。物主代词名词性，相当名词可单用。his, its无变化，my和mine要牢记。其余变形规律化，变形后加-s尾巴。物主代词用法小记Grammar FocusThis is my pen.Is this your pen These are her books.Are these her books 含有be动词的陈述句变一般疑问句4. 含有be动词的陈述句变一般疑问句时，采用__________________的方法。含有be动词的陈述句变一般疑问句1)“一调”：把be动词调至______；2)“二改”： 把be动词的首字母改为______，把主语的第一个大写字母改为______,必要时把________________________；3)“三问号”：在句末加上______。小写第一人称改为第二人称句首大写“一调二改三问号”问号S123456StartEndGame闯关我最行Swap (交换分数) points.3-5 points.Steal (偷) 2 points from your enemy(对手)Game Rules二、物主代词数 人称 类别 单数 复数 第一 人称 第二 人称 第三人称 第一 人称 第二人称 第三人称形容词性物主代词 my your his her its our your their名词性物主代词 mine yours his hers its ours yours theirs汉语 我的 你的 他的 她的 它的 我们的 你们的 他(她、它)们的第一关第二关3aComplete the questions and answers about each picture.Is _____ your book Yes, it is.No, it ______.Are _____ my pencils Yes, ______ are.No, they aren’t.Is ____ his ruler Yes, it _____.No, it isn’t.Are _____ her pens Yes, they are.No, they ______.thisisn’tthesethatisthosetheyaren’t策略:(1)注意看图以明确说话者与物品的位置关系(以确认使用不同的指示代词)，然后通过观察句首be动词的形式来完成练习，一定要兼顾语境和句子结构；(2)简略回答时要抓住句首关键词(Yes/No)。3bRead the questions and complete the answers.Is this her ruler Yes, ____. It’s _____.2. Is that Eric’s schoolbag No, _______. ____ Sally’s.3. Are these his pencils Yes, _________. They’re ______.4. Are those Anna’s books No, ___________. __________ mine.it ishersit isn’tthey arehisthey aren’tIt’sThey are第三关改正下列句子中的错误。

1. Is that you eraser 2. What do you spell it in English 3. What’s he telephone number 4. That is photos of my family.5. –Is this your ruler --No, this isn’t.举手抢答!第四关6. –Are these her books --Yes, these are.7. Those pens are her.8. That pencil box is my.9. Those are hers bags.举手抢答!第四关Section BPeriod 1Let's talk!Find the owners!第五关Find the ownerA: Excuse me. What’s this in English B: It’s an eraser.A: How do you spell it B:E-R-A-S-E-R.A: Is this your eraser B: No, it isn’t. I think it’s hers/his.A: Excuse me. Is this your eraser C: No, it isn’t. I think it’s hers/his .A: Is this your eraser D: Yes, it is. It’s mine.A: Here you are. (给你)D: Thank you.A: You are welcome.拓展：名词所有格狗的名字 __________________the name of the dog(1) 表示无生命事物的所有关系，用“名词 + of + 名词”结构，表示前者属于后者。(2) 表示有生命事物的所有关系，在名词其后加’s来表示所属关系，意为“……的”。例如：安娜的 Anna’s 鲍勃的 Bob’s名词所有格的构成方法：一般的单数名词在词尾直接加“’s” Tom’s book 汤姆的书my uncle’s car 我叔叔的小汽车以-s结尾的复数名词在词尾加“’” the students’ basketball学生们的篮球不规则复数名词在词尾加“’s” Women’s Day 妇女节Children’s Day 儿童节拓展：名词所有格I. 单项选择1. —I can’t find my pencil. May I use _______ —Of course.A. you B. yours C. your2. ______ bike is new.A. She B. He C. His3. My room is big. ______ is small.A. Her B. Hers C. SheBBCExerciseⅡ.找出句中错误的一项并改正1. It’s hers pen. ( ) ____________________A B C2. Is this your books ( ) ____________________A B C D3. Yes, it is. It’s my. ( ) ____________________A B C DB将 hers 改为 herD将 books 改为 bookD将 my 改为 mineExercise1. This is my pencil.（改为一般疑问句）______________________________2. Are these your pens （作否定回答）______________________________3. That is my schoolbag. （同义句）______________________________Is this your pen No, they aren’t.That schoolbag is mine.Ш.按要求写句子ExerciseUnit 3 Is this your pencil (Grammar Focus-3c)—Is this your pencil —Yes, it is. It’s mine./No, it isn’t. It’s hers.—Is this his green pen —Yes, it is./No, it isn’t. The blue pen is his.—Is that your schoolbag —Yes, it is./No, it isn’t. It's his.—Are these your books —Yes, they are./No, they aren’t. They’re hers.—Are those her keys —Yes, they are./No, they aren’t. They’re mine.Sentences含be动词的一般疑问句形容词性物主代词和名词性物主代词GrammarSummarySummaryUnit 3 Is this your pencil (Section A 2a-2d)Key wordsSentencesGrammarpencil, book, eraser, box, schoolbag, dictionary, his,mine, hers, yours, teacher, thank, about, help, welcome—Is this your pencil —Yes, it is. It’s mine.—Are these your books —Thank you for your help.名词性物主代词含be动词的一般疑问句及简略回答。—What about this dictionary —No, they aren’t. They’re hers.—It’s Helen’s.—You’re welcome.Useful expressionsexcuse me, thank you forHomework1）分角色扮演2d部分的对话。2）两人一组，进行对话改编，询问物主并进行回答。谢谢21世纪教育网（www.21cnjy.com) 中小学教育资源网站有大把高质量资料？一线教师？一线教研员？欢迎加入21世纪教育网教师合作团队！！月薪过万不是梦！！详情请看：https://www.21cnjy.com/help/help_extract.php

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