春八年级英语下册 Unit 10 I’ve had this bike for three years Section A教案 （新版）人教新目标版-（新版）人教新目标版初中八年级下册英语教案.doc

Unit 10 I’ve had this bike for three years
第一课时 (1a­2d)
Step 1　Lead­in (2 minutes)
教师活动：
1．Talk about the place. “Where have you ever been? What did you buy? How long have you had it？”
2．Next, show some pictures. Ask: How long have you had…？
学生活动：
1.Listen and answer.
2．According to the facts answer the teacher's questions.
【设计意图及资源准备】
通过师生对话， 迅速热身，复习含有been和ever 的现在完成时结构，并且及时引入新知识点how long 及for和since的用法。
Step 2　Practice the language goal (3 minutes)
教师活动：
1．According to the picture, give students several minutes to make sentences.
2．Give an example.
学生活动：
1．Make your own sentences.
2．Several students share the answers.
【设计意图及资源准备】
通过对这些场景的描述学生基本上知道如何描述“拥有某物多长时间”了，教师进一步提供材料，进行鼓励、启发、引导、帮助、评价，从而为整个对话表演的完成奠定语言基础。
Step 3　Pair­work (4 minutes)
教师活动：
1．First show some pictures to students.
2．Give an example.
学生活动：
1．Look at these pictures.
2．Work in pairs and role­play the conversation.
【设计意图及资源准备】
在这一部分，把教材做了调整，就是把1c和2c进行了融合，集中练习形成操练的整体性，基本上对语言进行了练习。让学生与同伴合作进行开放交流，共同完成学习任务，培养学生的口语交际能力及合作能力。那么，要在听力的练习中得到相关的信息，也就水到渠成。这一部分的设计，主要为下面的1b，2a，2b听力练习做好准备。
Step 4　Work on 1b (2 minutes)
教师活动：
1．Ask students to look at the facts and read the structures.
2．Play the tape twice for the students to listen.
学生活动：
1．Make sure that students understand the meanings of the sentences. The first time students only listen.
2．Check the facts you hear. Check the answers.
【设计意图及资源准备】
训练学生模仿语音语调培养语感，获取和处理信息的能力。
Step 5　Presentation for 2a (3 minutes)
教师活动：
1．Read the instructions. Now look at 2a. We will hear a conversation. Listen carefully. The conversation is about the things Amy's family are giving away and the things they are keeping.
2.Play the tape twice for students.
学生活动：
1．Listen to the tape.
The first time students only listen.
2．Listen again and check or circle the things. Then check the answers.
【设计意图及资源准备】
在听力中练习目标语言的同时培养学习西方文化，要注意到中外文化的差异，了解庭院售卖，拓宽学生们的视野，理解和尊重异国文化。
Step 6　Work on 2b (5 minutes)
教师活动：
1．Read the instructions.
2．Play the tape again.
学生活动：
1．Listen and fill in the blanks.
2．Check the answers and these sentences to practice the target language.
【设计意图及资源准备】
在学生听懂的基础上进一步提高熟练使用目标语言的能力。
Step 7　Summary and Homework (2 minutes)
教师活动：
Summarize and show the new words and sentences：
How long have you had that bike over there?
I've had it for three years.
I've had it since I was a child.
学生活动：
1．Make a list of the important language points.
2．Choose their own homework and finish it.
【设计意图及资源准备】
通过学生自主探究，共同总结出本课的目标语言。在问与答的过程中巩固新知识并加深印象。布置作业，课外延伸，这是一个挑战性很强的活动，利用所学的知识，开始应用，看看谁说得最多，如何将话题展开，作业分层要求，以适应不同层次的学生。
Step 8　Language points(详见P　课堂互动探究)
bring back; for three years…

第二课时 (3a­4c)
Step 1　New words
bedroom, railway, junior, own, part, certain, honest, while, truthful, hometown
Step 2　Fast reading
Read the article in 3a written by a father for a newspaper. What is his family going to sell at the yard sale?
[答案]
They are going to each sell five things that they no longer use.
Step 3　Careful reading
Ⅰ.Read the article in 3a and write true (T) or false (F)．
(　　)1.My daughter is 15 and my boy has already started junior high school.
(　　)2.Our house really gets smaller.
(　　)3.My son was quite sad at first.
(　　)4.My daughter felt happy to part with certain toys.
(　　)5.I want to give up my football shirts.
[答案] 1－5　FFTFF
Ⅱ.Read the article in 3a again and answer the questions.
1．Why did they decide to have a yard sale?
2．What do they want to do with the money from the sale?
3．Why does the son want to keep his train and railway set?
4．How can the old toys be useful again?
5．Have you ever thought about having a yard sale to sell your things? What would you do with the money you raise?
[答案] 1.Because the children get bigger and their house seems to get smaller.
2．They want to give the money to a children's home.
3．Because he has owned it since his fourth birthday, and he played with it almost every week until he was about seven.
4．They can be sold or given to the people who need them.
5．Yes, I have. I would give it to the charity.
Step 4　Language points(详见P　课堂互动探究)
certain; honest; while; part with; as for…
Step 5　Practice
Find the words or phrases in the article (3a) which can be replaced with the ones below and write them next to the words.
lose－part with　kids—________　truthful—________　many—________
some time—________　even though—________　quickly—________　
older—________
[答案] children; to be honest; a lot of; a while; although; fast; bigger
Step 6　Group work
Show the sentences below. Let students observe the structure by themselves and then find out the differences between present perfect tense and the simple past tence.
1．—How long have you had that bike over there?
那边的那辆自行车你买了多长时间了？
—I've had it for three years. 我买了三年了。
2．—How long has his son owned the train and railway set?
他的儿子拥有这套轨道火车多长时间了？
—He's owned it since his fourth birthday.
自他四岁生日起，他就拥有了它。
3．—Have you ever played football？你曾经踢过足球吗？
—Yes, I did when I was little, but I haven't played for a while now.
是的，当我很小时就踢过，但是现在我有好长一段时间没有踢了。
Step 7　Grammar
现在完成时
现在完成时表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的”时间状语连用，如“for＋时间段”、“since＋过去时间点”、“since＋过去时的从句”、“since＋一段时间＋ago”。for与since引导的时间状语可以相互转换。
My uncle has worked at this factory for ten years.
＝My uncle has worked at this factory since ten years ago.
我的叔叔在这家工厂已经工作十年了。
I've lived here since 1990.
自从1990年以来我就住在这里。
I haven't seen him for three years.
我三年没有看见他了。
She's been at this school since five years ago.
自从五年前她就在这所学校。
含有for，since的现在完成时的用法歌诀：

句中动词的特点：
表示持续性的动作或状态的动词必须是延续性动词(否定句除外)。
这本书我买了5年了。
I have bought the book for five years.( × )
I've had the book for five years.( √ )
你哥哥参军多长时间了？
How long has your brother joined the army？( × )
How long has your brother been in the army/been a soldier？( √ )
非延续性动词和延续性动词之间的转换：
1．转换为相应的延续性动词，用于现在完成时。
borrow—keep　buy—have　put on—wear
catch a cold—have a cold　get to know—know
get to sleep—sleep
2.转化为“be＋形容词/副词/介词/名词”，用于现在完成时。
begin/start—be on　go out—be out　close—be closed
open—be open　get to/arrive/reach—be (in)
die—be dead　leave—be away　finish—be over
fall asleep—be asleep　join—be in/be a member of
become—be　make friends—be friends
come/go—be＋相应的介词短语
Step 8　Finish the exercises
Rewrite the sentences in 4a using for or since.
1．Jim is in Japan. He arrived there three days ago.
2．They are very hungry. Their last meal was ten hours ago.
3．I have a camera. I bought it in 2009.
4．I know Anna. I first met her three years ago.
5．Linda is ill. She became ill on Monday.
[答案] 1.Jim has been in Japan for three days.
2．They have been hungry for ten hours/since ten hours ago.
3．I have had a camera since 2009.
4．I have known Anna for three years/since three years ago.
5．Linda has been ill since Monday.