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课件网) Unit 3 Is this your pencil Grammar Focus 3a-3c 一、教学目标 1.学习和巩固本单元的语法知识，即询问物品所属关系 的一般疑问句和答语。 2.能听懂有关谈论物主的对话并进行自由交际。 3.正确使用形容词性物主代词和名词性物主代词. 二、教学重点及难点 1.学习和巩固本单元的语法知识，即询问物品所属关系 的一般疑问句和答语。 2.能听懂有关谈论物主的对话并进行自由交际。 3.正确使用形容词性物主代词和名词性物主代词. There 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 （你可以帮忙找失主吗？） Lost Found 在失物招领处 Is this your_____ Yes, _____ is. dictionary it Is that your _____ No, _____isn't. it book Are these your_____ Yes, _____are. erasers they Are those your_____ No, _____aren't. pens they Grammar Focus One Is this your dictionary Yes, it is. /No, it isn’t. Is that your book Yes, it is./No, it isn’t. Are these your erasers Yes, they are./No, they aren’t. Are those her pens Yes, they are./No, they aren’t. This is a book. 只是一本书。 This is a pencil. 这是一支铅笔。 This is an eraser. 这是一个橡皮擦。 This is a pen. 这是一支笔。 This is a pencil box. 这是一个铅笔盒。 This is a ruler. 这是一把尺子。 This is a schoolbag. 这是一个书包。 This is a dictionary. 这是一个字典。 Please read the sentences together. (齐读句子) 陈述句 疑问句？ ？ 陈述句是指陈述一个事实或者说话人的看法的句型，包括肯定句与否定句，并且句末用句号。 陈述句如何变成一般疑问句？ 一般疑问句的概念 一般疑问句的概念：能用yes或 no回答的问句就叫一般疑问句。 含有be动词的陈述句变一般疑问句的方法 1) 将be动词提至句首 2) 将句末标点改为问号 3) 将第一人称变为第二人称，即 I 由 you替换; my由your替换；相应地am也变为are. 简单归纳即为：一提二变三替换。 This is a book. This is a pencil. This is an eraser. This is a pen. This is a pencil box. This is a ruler. This is a schoolbag. This is a dictionary. Is this a book Is this a pencil Is this an eraser Is this a pen Is this a pencil box Is this a ruler Is this a schoolbag Is this a dictionary 把下列陈述句改成一般疑问句 肯定回答：Yes, it is. 否定回答： No, it isn’t. 【be动词用法】 用be动词的适当形式填空 1. ———How are you ———I_____OK, thanks. 2. Oh, this black pen _____ Peter’s. 3. ———Who is the woman ———She _____ our English teacher. 4. Bob’s two aunts _____on the sofa. 5. Jerry and Leo _____students at Sunshine Middle School. 6. —_____ the black pen yours —Yes, it’s mine. 7. These _____ my friends, Bob and Cindy. 8. —Who _____ the boy in the photo —He’s my cousin, Li Lei. am is is are are Is are is 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. 物主代词分为形容词性物主代词与名词物主代词，其中表格里是形容词性物主 ... ...
