人教版七年级上Unit 3 Is this your pencil？Section B (1a～1e) 教案

第三课时　Section A (Grammar Focus－3c)
主备内容 Section A (Grammar Focus－3c)
教学目标 【知识目标】Important sentences：1．—Is this his green pen？—Yes it is./No，it isn't.The blue pen is his.2．—Are those her keys？—Yes，they are./No，they aren't.They're mine.【能力目标】根据不同场景，能用英语对物品所属进行提问和回答。【情感目标】通过“识别物品所属”的学习，学生们学会爱惜自己的学习用品，养成照看好自己物品的好习惯，发现不属于自己的物品，应及时归还物品的主人。
教学重难点 重点：1.总结归纳辨认物品所有者所用的句型。2.通过进行不同形式的对话练习来熟练运用辨认物品所有者的句型，同时复习所学的学习用品的词汇。难点：总结归纳辨认物品所有者所用的句型并熟练运用这些句型。
教法学法 总结归纳法；情景教学法
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Step 1　自主学习
【新词自查】
一、按要求写出下列单词的相应形式。
1．that(对应词)__this__
2．yes(反义词)__no____
3．is not(缩写形式)__isn't__
4．aren't(完全形式)__are__not__
5．that(复数形式)__those__
二、根据汉语意思完成句子，每空一词。
1．——这些是尺子吗？
——不，不是的。它们是铅笔。
—__Are__ __these__ rulers
—No，__they__ __aren't__.__They're__ pencils.
2．——那是一个苹果吗？
——不，它不是。
—__Is__ __that__ __an__ apple
—__No__，it __isn't__.
Step 2　情景导入
【参考案例】
T：Hello，boys and girls.Look at this.(put up a book)Is this your book
Ss：No，it isn't.It's yours.
T：Are these her/his books？(put up one student's books)
Ss：Yes，they are.They're hers/his.
T：Now please practice the conversation with the things in the classroom with your partner like this.
设计意图：开门见山导出目标语言，学生能够立刻进入课堂状态，明确本节课的学习任务。
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Step 3　畅通Grammar Focus回顾语法重点
【操作案例】
学生阅读Grammar Focus中的句子，然后教师出题检查学生掌握情况。
设计意图：巩固目标语言，能初步运用名词性物主代词mine，yours，his，hers；能理解名词性物主代词和形容词性物主代词在用法上的区别。
Step 4　完成教材3a－3c的任务
Work on 3a.
1．T：Let's work on 3a.Look at the pictures in 3a.We can see the book and pencils are close to us，but the ruler and pens are a little far from us.When we ask about them，we must pay attention to the use of “this”“that”“these” and “those”．
2．Explanation：
(1)this/these “这；这个/这些”，用于指代在时间或空间上距离说话人较近的人或物。
(2)that/those “那；那个/那些”，用于指代在时间或空间上距离说话人较远的人或物。
设计意图：通过观察图片，组成对话并练习，从所提供的单词中捕捉可能的语境信息，达到语言输入的目的；在练习中区别名词性物主代词和形容词性物主代词；通过提示词yes和no，完成一般疑问句的肯否回答。
Work on 3b.
1．T：Read the questions and complete the answers.You should pay attention to “this”“that”“these” and “those”．
2．Ss read the questions and answer the questions with their partners.Then write down their answers in the blanks.
设计意图：通过把握对话所给的语境，联系上下文语境推测、判断应填写的内容；通过补充语句，练习书写的规范性。
Work on 3c.
Divide the Ss into five or six groups.Each group has six to eight students.All the students in a group put some of their school things into a box.
S1：Is this your math book S2：Yes，it is.It's mine.
S3：Is that your ruler S4：No，it isn't.It's hers.My ruler is blue…
设计意图：通过实物展示学习用品，运用目标语句，询问物品所属；通过确认物品主人，练习归还物品的语句“Here you are.”。
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知识点拨
▲名词所有格
英语中除了用物主代词表示物品所属外，还可用名词所有格来表示。名词所有格常分为三类：
(1)单数名词和不以 s结尾的复数名词的所有格是在该名词的末尾加“'s”。如：Tom's，Mike's，children's，women's。
(2)以 s结尾的复数名词的所有格是在复数名词的末尾直接加“'”。如：teachers' books。
(3)无生命的名词的所有格一般使用of，意为“……的”。如：the key of the door，a photo of my family。
▲缩写对话时要注意this/that与单数名词连用，these/those与复数名词连用。如：
Is this/that your eraser？这个/那个是你的橡皮吗？
Are these/those your erasers？这些/那些是你们的橡皮吗？
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Step 5　板书设计
Section A (Grammar Focus－3c)
Important sentences：
1．—Is this his green pen
—Yes，it is./No，it isn't.The blue pen is his.
2．—Are those her keys
—Yes，they are./No，they aren't.They're mine.
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本节课我从不同的角度带领学生畅通Grammar Focus。朗读、讨论、问答、对话展示，不仅锻炼了学生的语言综合运用能力，还巩固了学生对目标语言的学习、识记和运用。