Unit 3 Is this your pencil? Period 4（Section B 2a-Self Check）教案

Period 4 (Section B 2a-Self Check)
设计说明
本节课主要复习一些物品名词并学习写“寻物启事”和“失物招领”的句型，旨在提高学生在现实生活中运用英语的能力。可采用目标教学法，引导学生进行大量的结对练习、小组合作练习。学生进行大量的看、读、问、答、写等的训练，巩固所学知识。
教学目标
1. 知识目标：
(1)掌握单词及短语：in，library，ask，ask...for...，find，some，classroom，e-mail，at，call，lost，must，set，a set of。
(2)掌握句型：
A computer game is in the school library.
Ask the teacher for it.
I must find it.
E-mail/Call me at...
2. 能力目标：
学会写寻物启事和失物招领。
3. 情感目标：
培养学生拾金不昧、助人为乐和团结友爱的品德。帮助学生树立正确的价值观和金钱观。
重点难点
1. 重点：
学会写寻物启事和失物招领。
2. 难点：
正确书写寻物启事和失物招领。
教学准备
多媒体课件，收集课上用到的实物。
教学过程
Step 1　Greetings & Revision
1. Greet the whole class as usual.
2. Revision.
Ask and answer like this：
—Is this/that your pencil
—Yes，it is. It’s mine. /No，it isn’t. It’s his/hers.
3. Ask students to write school things they have learned and then check each other.
4. Ask the students to write the things they lose easily. And then make a report like this：
I lost my pen，my eraser，a notebook...
Step 2　Leading in
1. Ask the students：
What should we do if we lose our things
And what should we do if we find some things
Students may answer the questions in Chinese.
Help them to say them in English.
2. Then how to write “Found” and “Lost” Tell them to read the notices in 2b.
Step 3　Reading
1. Read the notices in 2b and circle the lost things quickly. Check the answers together.
Answers：a computer game，some keys，a watch，a school ID card
2. Read the notices again and fill in the chart quickly.
Who What Where How
Found Mike a computer game in the school library ask the tea-cher for it
some keys in Classroom 7E e-mail
John a watch call John
Lost Tom a school ID card call Tom
3. Retell each notice according to the information in the chart above.
Retell it like this：Mike found a computer game in the school library. If it’s yours，ask the teacher for it.
4. Work in groups.
(1)Ask the teacher for it. 中ask意为“请求；要求”，常用短语ask sb. for sth. 意为“向某人要某物”。
(2)some意为“一些；某些”，后接可数名词的复数形式或不可数名词。一般用于肯定句中。在否定句或疑问句中常用any。
(3)e-mail作动词时，意为“给……发电子邮件”;作名词时，意为“电子邮件”。“给某人发电子邮件到……”用e-mail sb. at+电子邮件地址。
(4)call动词，意为“(给……)打电话”，后面常接表示人的名词或代词，意为“给某人打电话”。拨打某个号码找某人常用“call sb. at+电话号码”。
(5)must是情态动词，意为“必须；应该；一定”，没有时态、人称和数的变化，后接动词原形。
(6)a set of表示“一套；一副；一组”，其中set是名词，意为“一套；一副；一组”。如：a set of books一套书，a set of stamps一套邮票。
(7)Found，Lost都可用作名词，分别表示“失物招领”和“寻物启事”。“失物招领”和“寻物启事”包含的要素：①丢失或捡到的物品；②联系人及其联系方式。
5. Ask the students to find the phrases in 2b，and then use one of them to complete each sentence.
(1) 请求；恳求(给予)ask...for...
(2)给……发电子邮件到……e-mail...at...
(3)拨打……(号码)找……call...at...
(4)在学校图书馆in the school library
(5)We can ask the police for help.
(6)E-mail me at mary@.
(7)Please call me at 826-8087.
(8)A set of keys is in the school library.
Step 4　Writing
1. Each student completes the notices with the words or phone number in the box in 3a.
Answers：Lost，name，call，Found，yours，284-5486
2. Ask each student to write his or her own lost and found notices. Ask two students to come to the blackboard. The teacher moves around to help them.
3. Check the notices on the blackboard together，and ask the students to correct their mistakes.
4. Practice.
如果你是David，你捡到一块手表，你该如何写一则失物招领呢？如果你想找到你丢失的自行车，又该如何写一则寻物启事呢？
Answers will vary.
Step 5　Self Check
1. Ask the students to write the school things they know. The answers will vary.
2. Each student completes the chart in Activity 2. Two students write on the blackboard. The teacher moves around to help them.
3. Check the charts on the blackboard together，and then the students check each other in groups.
Answers：(从左到右，从上到下)you，your，she，her，his，his
4. Summary.
(1)人称代词分主格和宾格形式；物主代词分为形容词性物主代词和名词性物主代词。
(2)第二人称代词主格you与其宾格相同，形容词性物主代词为your，名词性物主代词是在形容词性物主代词后加s。
(3)第三人称形容词性物主代词her与其宾格相同。
(4)第三人称形容词性物主代词his与其名词性物主代词相同。
5. Ask the students to look at the picture in Activity 3 and write conversations in groups. Then role-play the conversations in pairs.
Possible answers：②A：Is this your pencil
B：No，it isn’t.
③A：Is this your key
B：Yes，it is.
④A：Is that your baseball
B：No，it isn’t.
Step 6　Summary
In this lesson，we have learned：
1. New words：in，library，find(found)，some，classroom，e-mail，at，call，lost，must，set
2. Phrases：ask...for...，a set of，call/e-mail...at...
3. Sentence structures：
...is/are in...
Ask...for...
Call/E-mail...at...
I must find it.
当堂达标(见导学案“当堂达标”)
答案与解析：
Ⅰ. 1. B　in介词，意为“在……里”。
2. C　第二个空格后无名词，应用名词性物主代词，排除A、B、D三项，选C。
3. C　“call sb. at+电话号码”意为“拨打……(号码)给某人”。
4. D　ask sb. for sth. 为固定搭配，意为“向某人要某物”。
5. C　根据常识可知anna1998@是电子邮件地址，“e-mail sb. at+电子邮件地址”意为“给某人发电子邮件到……”，为固定搭配。
6. B　must为情态动词，其后接动词原形，故选B。
Ⅱ. 1~5　CABDB　6~10　ABADC
Ⅲ. 1~5　CAEBD
Ⅳ. 1. Is，your　2. they aren’t　3. are his rulers
4. are these　5. How do
Step 7　Homework
Write your own Lost or Found according to the information below.
Who Things Ways to find
David an English book a dictionary 382-4006 David@
板书设计
UNIT 3　Is this your pencil Period 4 (Section B 2a-Self Check)
A computer game is in the school library. Ask the teacher for it. I must find it. Call me at 685-6034. Found Some keys are...
Lost I lost my...
教学反思