Unit 4 Wheres my backpack? Section Bin the backpackon the tableunder the bedbaseballpencil casecomputer gameIs it ?Yes, it is.No, it isnt.pencilsbookskeysin the pencil caseon the sofaunder the sofaAre they ?Yes, they are.No, they arent.1，明确所问物品是单数还是复数。，明确所问物品是单数还是复数。 2，正确选择句型并熟练运用替换词。，正确选择句型并熟练运用替换词。3，掌握介词，掌握介词on,in,under,beside,behind的用法的用法.4, 注意注意 the 或或my,your,his,her的用法。的用法。对话练习应该注意的问题对话练习应该注意的问题Practise the dialogue in pairsDialogue 1 A: Excuse me. Wheres / Where is the ? B: I dont know. Is it on /in/under/beside the A: Yes, it is. / No, it isnt.Dialogue 2A: Excuse me. Where are the? B: I dont know. Are they on/in/under/beside the A: Yes, they are. / No, they arent.M : Hello! T: Hi, mom. I need some things for class this afternoon. Can you bring them to school for me, please?M: Sure.T: I need my math bookM: math book? Wheres your math book?T: oh, its on the dresser. And I need my ruler. Its under the bed. And my notebook.Mom: wheres your notebook?Tommy: Uh. I dont know. Ohyeah. Its on the bed. And my CDs. Theyre on the bookcase.Mom: OK.T: And the video cassette. Its on the table. I need to take it back to the store after school.M: OK. Ill meet you at 12:00 oclock.Useful expressions need 需要 bring 指向着说话人所在处移动或向着有关行动地点发生的方向移动。 Bring it here.(把它带来带来 ） take 指离开指定地点的移动。 Take it there.(把它带带 到那里去去）The answers for 2bThe math book is on the dresser.The ruler is under the bed.The notebook is on the bed.The CDs are on the bookcase.The video cassette is on the table. The picture is on the wall. The sofas are on the If your room is tidy?70100分：分：every tidy4060分：分：a little tidy030分：分：untidyThings Places Yes No Score backpackon the chair10penIn the pencil case10notebookon the backpack/desk, in the backpack10keysin the drawer/bag10dictionaryon the desk/bookcase, in the backpack10alarm clockon the desk/bed/wall10socksin the drawer10pictureson the wall10shoesunder the bed10CDson the desk/bookcase10