Unit 3Is this your pencil?bookpencileraser pencil box schoolbagpencil pencil box dictionaryeraser schoobag schoobagbook dictionary pencil boxpencileraserMatch the words with the things in the picture.1. pencil _e_ 2. pen _3. book _4. eraser _5. ruler _6. pencil box _7. schoolbag _8.dictionary _Is this your book? Yes, it is. Its mine.mine=my bookIs this your pen? No, it isnt. Its his.isnt= is notIs that your pencil? Yes, it is. Its mine.that用来指代离说话者用来指代离说话者较远的物品较远的物品 Is that your pencil box? No, it isnt. Its hers.Work in pairsA: Is this your ?B: Yes, it is. / No, it isnt. ItsA: Is that your ?B: Yes, it is. / No, it isnt. ItsA: Is this your pencil?B: Yes, it is. Its mine.A: Is that your schoolbag?B: No, it isnt. Its his.A: Are these your books?B: No, they arent. Theyre hers.Listen and number the conversations 1-3.1bListen and check () the things you hear.2abookeraserpencil boxpencilschoolbagrulerListen again. Complete the conversation with the words in the box2beraser pencil ruler pencil box bookTim: Excuse me, Grace. Is this your _? Sonia: Yes, thank you. And those are my _ . Tim: And Jane, is this your _ ? Jane: No, it isnt. Its hers.Tim: OK, and these are my _ . This is your _ , Jane. eraserpencilrulerpencil casebook请原谅（用于与陌生请原谅（用于与陌生人搭话等）人搭话等）GrammarFocusIs this your pencil?Yes, it is. Its mine./ No, it isnt. Its hers. Is that your school bag?Are these your books?Are those her keys?Yes, it is. /No, it isnt. Its his.Yes, they are. /No they arent. Theyre mine. Yes, they are. /No they arent. Theyre hers. Exercises 1. Is this your pen?（作肯定回答） 2. Is that his ruler?（作否定回答） 3. 这是你的书包吗？ 4. 那是他的铅笔吗？ 5. -那是她的钢笔吗？ -是的，它是。 Yes, it is. No, it isnt.-Is that her pen?-Yes, it is.Is this your schoolbag?Is that his pencil?Homework1 Remember the new words.2 Introduce your school things to others.Thank you!