Section A Grammar Focus-3cUnit 3 Is this your pencil?人教版 英语 七年级上册 Learning goals3. Sentences: 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 blue 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 mine.1. Functions: 能够确认物品所属关系。2. Grammar: 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Warming upRevisionChoose 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 me634578Warming upRevisionChoose 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 your dictionaries?6. Youre welcome.FiveFourSixPresentationThere is a dictionary, a book, two erasers and three pencils at the lost and found. Can you help to find the owners of these things? You can ask your classmates.LostFound在失物招领处PresentationHow to find the owners by asking questions?And how to answer these questions?Grammar Focus 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 blue 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 mine. its = it is isnt = is not arent = are not请总结含be动词动词 的一般疑问问句结结构和简简略回答。Presentation 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。朗读一般疑问句时用升调，对其回答时用降调。本单元我们学习的是含有be动词的一般疑问句。含be动词的一般疑问句语法概述PresentationIs this your pen? 这这是你的钢钢笔吗吗？Yes, it is. 是的，它是。1) 结构：Be动词 (am/is/are)+主语+其他?（Be动词 要和主语的人称和数保持一致。）2) 肯定回答：Yes, 主语+be动词 (am/is/are). 主语和be动词 不能缩写。3) 否定回答：No, 主语+be动词 (am/is/are)+not. 通常is, are和not要缩写， 但am和not不能缩写。4)如果一般疑问句主语是this, that, these或those，回答时用it指代this或that；用they指代these或those。Are these your books? 这这些是你的书书吗吗？No, they arent. 不，它们们不是。含be动词动词 的一般疑问问句的结结构及其答语语不可以缩缩写成itsPresentation含be动词 的肯定句变一般疑问句，可采用“一提、二变、三问号”的方法。1)一提：指的是将be动词 提到句首， 且首字母大写。2)二变： 把原主语的首字母变成小写； 如果原主语为 第一人称， 则应 把第一人称变为 第二人称， be动词 也要作出相应的变化； 如果有形容词物主代词my， 也应改为your。3)三问号：将句末的标点符号改为问 号。She is a teacher.Is she a teacher?I am Tony.Are you Tony?Those are my pens.Are those your pens?This is her book.Is this her book?含be动词的肯定句变一般疑问句Grammar Focus 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 blue 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 mine.请找出所有的物主代词，并解释其含义。my pencilher pencilhis penhis schoolbagher booksmy keysPresentation表示所有关系的代词叫作物主代词。物主代词分为形容词性物主代词和名词性物主代词两种。物主代词词语法概述Presentation 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myyourhisheritsouryourtheir名词性物主代词mineyourshishersitsoursyourstheirs含义我的你的他的 她的 它的我们的你们的他/她/它们的物主代词的分类Presentation1）形容词性物主代词在句中作定语， 修饰名词2）名词性物主代词相当于“形容词性物主代词+名词”，其后不能再加名词。3）名词性物主代词在句中可作主语、宾语、表语等。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来决定。This is my ruler. Hers is in the schoolbag. 这是我的尺子。她的在书包里。（形容词性物主代词my修饰名词ruler）（名词性物主代词Hers=Her ruler后面不能再加名词，且后面的be动词用is。）物主代词的用法Presentation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PresentationComplete the questions and answers about each picture.3aIs _ your book?Are _ my pencils?Is _ his ruler?Are _ his pens?Yes, it is.No, it _.Yes, _ are.No, they arent.Yes, it _.No, it isnt.Yes, they are.No, they _.thisisntthesetheythatisthosearent一般疑问句主语是this/that/these/those，回答时用it指代this/that；用they指代these/those。PresentationRead the questions and complete the answers.3b1. Is this her ruler? Yes, _. Its _.2. Is that Erics schoolbag? No, _. _ Sallys.3. Are these his pencils? Yes, _. Theyre _.4. Are those Annas books? No, _. _ mine.it ishersit isntItsthey arehisthey arentTheyrePresentationPut some things into the teachers box. Then take one thing out of the box and find the owner. You only have two guesses!3cIs this your eraser?No, it isnt.PresentationLinda comes to help to find the owners of these things.LostFoundPresentationIs this your book, Tom?Yes, it is. Its mine.PresentationIs that your dictionary, Jack?No, it isnt. You can ask Ann. I think its hers.PresentationAre these your erasers, Helen?Yes, they are. PresentationAre those your pencils, Jane?No, they arent. You can ask Bob. I think theyre his.Exercises一、单项选择1. I cant find my pencil. May I use _? Of course. A. you B. yours C. your2. _ bike is new. A. She B. He C. His 3. My room is big. _ is small. A. Her B. Hers C. She BBC1. Its hers pen. ( ) _ A B C 2. Is this your books? ( ) _ A B C D3. Yes, it is. Its my. ( ) _ A B C DExercises二、找出句中错误的一项并改正B将 hers 改为 herD将 books 改为 bookD将 my 改为 mineExercises三. 按要求完成下列各题1. This is my pencil.（改为一般疑问句） _2. Are these your pens? （作否定