Unit3Is this your pencil?IntroduceLook! Whats this? Its a book.Is this an English book? Yes!Whats this?ItsIs this? Wordspencil /pensl/名词，意为“铅笔”。复数：pencils。短语：a pencil 一支铅笔。小练习：给图片选择正确的英文意思。_A. pen B.pencilBExpressionsisnt = is not意为“不是”。课文应用：No, it isnt小练习：（ ）Is this your book? No,it _. A.isnt B.isA. 与no相对应应有not.Apencil case意为“文具盒”。eg：There is not a rubber in my pencil case. 我的铅笔盒里没有一块橡皮。小练习：( )My rubber is in my _. A.pencil B.pencil caseBExpressionsExpressionsIs this / that your pencil? 这/那是你的铅笔吗？句型结构：问句：Is this / that your + 物品名称 ？ 答语：Yes, it is ./ No, it isnt.这是由is引导的一般疑问句。小练习：（ ）值日生Mary在地上捡到了一支钢笔，Mary想找到它的主人，于是她问Mike：_A.Is this your pen, Mike? B.This is your pen, Mike.A. 询问物品的归属应用Is this / that your + 物品名称 ？这一句型结构。ExpressionsIs this / that your pencil? 这/那是你的铅笔吗？AExpressionsOh, thats my pencil. 哦，那是我的铅笔。句型结构：This / That is my + 物品名称.意为“这/那是我的”。注意此句中的物品名称要用单数形式。小练习：（）当你想给朋友介绍你的卧室时，你应该说：_ A.This is my bed. And that is my desk. B.It is my bed.It is my desk.A. 向别人介绍自己的物品的句型是：This / That is my + 物品名称.ADialogue Is this your pencil? No,it isnt. Is that your pencil? Yes,it is. Is this? No,it isnt. Is that ? Yes,it is. Story time 故事时间Expand趣味文具的介绍 随着生活水平与消费能力的大幅度提升，人们（无论是孩子还是大人）在学习中寻找乐趣的意识已经被唤醒，这使得人们对趣味文具的需求也在短时间内飙升，如水果味的橡皮、奶油味的圆珠笔、带荧光粉的蜡笔、卡通胶带等。我们在选用这些趣味文具时，一定要注意他们的安全性和实用性。SummaryOh, thats my pencil. Is this / that your pencil? pencilisnt = is notpencil caseExercise找出对应的译文（ ）1. Is this your pencil?A:它是你的铅笔吗？B:它是你的铅笔。（ ）2. Thats my pencil.A它是铅笔。B那是我的铅笔。（ ）3. No, it isnt.A是，是的。B不，不是。（ ）4. This isnt my pencil.A这是我的铅笔。B这不是我的铅笔。BBBAExercise选出合适的句子。（ ） 1. A.Thank you. B.Its a pen. Whats that ? BIs this your pencil ? （ ） 2. A. Look, my pen. B. Yes, it is.BExerciseHomeworkMake a conversation about“This is”