Unit4 Then and now
【教材分析】
本单元的话题是“过去和现在”，通过对比Mike一家人过去与现在的学习、工作和生活等方面，让学生感受科技如何改变生活。本单元在第三单元的基础上，对一般过去时做进一步呈现，而一般现在时的句型在五年级上学期已经学过，把这两个时态放在一起对比呈现，是一个教学难点，在教学中教师要启发学生通过观察、对比等方式，总结归纳两种时态的用法并尝试在正确的语境中使用。
【教学目标】
1.让学生听懂、会说、会读本单元中出现的单词：ago, office, newspaper, news, watch, e-book, with, yesterday
2. 能听懂、会读、会说句型: --- ago, he\she--- Now he\she--- What day is it today?
3. 能通过观察初步理解感知一般过去式的一般现在时在一起出现时的表达方法
4. 能理解对话内容，在教师的引导和帮助下正确的使用这些时态。
【教学重难点】
一般过去时与一般现在时的比较与运用
字母er在单词中的发音
【教学准备】
图片、光盘、录音机
【课时划分】
第一课时 Story time
第二课时 Grammar time/ fun time
第三课时 Cartoon time
第四课时 Sound time Checking time
第五课时 复习本单元内容
第六课时 练习测试



Period 1
【教学内容】
Unit4 Then and now 第一课时
【教学目标】
1.听说读单词then and now ,e-book, mobile phone, newspaper, radio, telephone, e-books, anywhere, could，并能运用于语句中。
2.掌握动词过去式的发音及用法，会说…years ago,…could/ could not…Now,…
3.能正确地理解并朗读对话内容，在教师的引导和帮助下尝试复述课文内容。
4.通过过去和现在的对比，感受个人的成长和社会的进步。
【教学重点】
1.能正确地理解并朗读对话内容，在教师的引导和帮助下尝试复述课文内容
【教学难点】
1.能正确使用一般过去时和一般现在时表达过去和现在的事情。
【课前准备】
1. 光盘单词卡片，课文图片，PPT
2. 板书准备:预先写好课题6A Unit4 Then and now
【教学过程】
Step 1. Warming up
1.T: Do you know the song?
S: Where is time going?
T: Yes, time flies quickly. We are growing up, and the things around us are changing. We know, the world is changing.
2. T: Then what is changing? Do you have your idea?
Step2. New learning
1. T: Perfect. I like your ideas. Now I’ll show you a family. Do you know them? Who is he/ she? ( Mike, Mr Brown, Mrs Brown, Mike’s grandpa)
2. Then, how about this boy? Yes, this is Mike six years/ Mr Brown twenty years ago/ Mrs Brown twenty years ago/ Mike’s grandpa thirty years ago.
T: （总结）The time before, we can use this word: Then. ( what does it mean?)
T: Today, we are going to learn Unit 4, Then and now.
T: SO ,can you say sth. about Mike’s family? （对比说，is/are, was/were）
T: They have changed a lot. And this lesson, we’ll know more about the changes of Mike’s family.
1. (图) This boy, he is Mike. Now, he is a young boy. And he can do many things now. Let’s guess, what can he do?
（图）T: Could Mike do all these things six years ago? What could he do? （读could）I give you two fist letters here. Can you guess? What couldn’t he do?
T: So, six years ago, Mike could read….. but he …（师生一起读文本）
T: Can you describe little Mike six years ago and young Mike now?
总结：In fact, everyone is changing everyday( the changes of people), What they look like is changing(appearance) , and what they can do is changing, too(ability).
3. T: And we know, as we people are changing everyday, our life is changing, too. Now let’s listen to the tape, and try to catch: what they did then and what they do now. And remember to tick them quickly. After learning let’s check.
4. look at Mr Brown. This is Mr Brown twenty years ago. And This is Mr Brown now.
What did he do then and what does he do now?
(1)Read the paragraph quickly, and try to find out the communicate tools.
(2)read the four words. T: They are needed when we want to contact others. So ,which one do you like? And Why?
(3) How about Mr Green? What did he use twenty years ago? （match: wrote letters, used the telephone） How about now? ( match: writes e-mails, uses the mobile phone)
T: Let’s imagine where he did or does these things. Where did he wrote letters/ use the telephone/ write e-mails/ uses the mobile phone?
(4) T: Let’s read this paragraph together. Now, try to describe Mr Brown.（学生复述）
（总结）T: Then and now, the way to contact people is changing .
5. T: look at the pictures, do you remember her? —Mrs Brown Let’s see what changes have happened on her.
(1) T: What is she doing in the picture?
(2) T: Are you right? Read it please. (解释e-friends) So maybe she is doing some shopping or chat with her e-friends on the Interenet.
(3)And this is the picture of her twenty years ago. Then she was a schoolgirl. Where did she make friends? And where did she buy things?
(4) Read the text with your partners.
(5) T: Let’s try to fill in the table , OK? 根据表格说一遍。
（总结：It tells us the way to ______ and the way to _______. And the ways are changing now.）
6. (1)T: And besides these, the way to get news is changing now.
How do you get news, boys and girls? ( I get news from_______. )
(2) T: How did Mike’s grandpa get news thirty years ago, and how about now?
T: First, let’s look at the two pictures. Watch carefully and try to find the difference.
(3) Read the text together, and try to retell it.
7. Read the whole text together.
8.T: What do you think? You can discuss in groups first.
Ss: Their life is…(colourful, cool , modern, happy…) ,because…
Step3.Practise
T: This time, let’s work in 4. Each one chooses a part to read. Then use the phrases on the blackboard to make a report about your part.(分组练习朗读，然后四人一小组，上台借助板书进行反馈)。
Step4 Homework
1.Listen and read Story time.
2.Retell Story time on P38
3.Bring two photos and think of the changes between two photos on P40.



Period 2
【教学内容】
Unit 4 Then and now 第二课时
【教学目标】
1. 能够理解并掌握动词过去式的不规则变化及读音。
2. 学生能运用句型…….years ago, I was/ I could (not)/ didn’t……..。
3. 在真实情境中，用所学知识正确比较过去与现在。
4. 能正确掌握动词过去式的不规则变化及读音。
5. 能用一般现在时和一般过去时的语句来描述自己。
6. 能够在课上的活动中发现学习英语的乐趣，乐于去表达说出英语。
7. 了解过去与现在的变化，体会我们生活的提升。
【教学重点】
1. 了解掌握动词过去式的转换方式和运用。
2. 运用文中所学的句型等，准确表达出自己的过去和现在。
【课前准备】
单词卡片，PPT
课件、学生自己以前和现在的照片
【教学过程】
Step 1. Preparation
1. Free talk
T: What did you do yesteday /last weekend?
S:…
T:What do you often do at weekends？
S:…
2. Act and say
T: What did I do just now ?
S: You listened to music just now.
Step 2. Presentation & Practice
1. Think and say
T: Think about the changes of Mike’s family and finish the table.

2. Read and learn
T: Look at the pictures and learn the words.
an e-book a mobile phone a newspaper
a radio a telephone a TV
3. Try to use
T: Look at this short passage, use the new words to fill in the blanks.
Twenty years ago ,my mother used the
at home. She couldn’t call people anywhere. Now she
has a .It is easy to take .My father listened to the and read for news in the past ,but now he usually watches news on the Internet .Sometimes he reads newspaper .He also reads .For me ,ten years ago ,I watched at weekends, now I like playing computer games when I’m free . It’s fun.
4. Grammar time : Make sentences
T: There are three types of cards in my hand.They are “When”,“Who”and “What”. We need to put these three arbitrary combined into a sentence .
Eg: S1: twenty years ago
S2: Mr Brown
S3: write letters to his friends
S4: Twenty years ago, Mr Brown wrote letters to his friends.
5. Grammar time : Read and find
（1）Read the sentences with verbs：
Six


years


ago


,
I
couldn’t write


.


Twenty



he
wrote letters






she
bought things
from shops


Thirty



they
listened to the
radio for news


a. Ask the students to underline the verbs
b. Ask the students to underline the subjects
Rule：In the past tense, verbs don’t change with subjects.
6. Grammar time : Play a game（Quick response）
(1)T: I say the words, you should say the past tense as quickly as you can.
is/am（was）are（were） can（could）
fly（flew） take（took） see（saw）
go （went） eat（ate） get（got）
do（did）write（wrote）make（made）…
7. Grammar time : Read the irregular verbs
Eg：I (see) a mobile phone under the desk just now .
Lucy (get) up late this morning .
Step 3. Production and Progress
1. Checkout time: Look and write
T: What could they do? What couldn’t they do?



Period 3
【教学内容】
Unit 4 Then and now 第三课时
【教学目标】
1.阅读并理解Cartoon time的内容，学会表演,明白Cartoon time 的幽默之处。
2.在前两课的基础上会正确并熟练对比以前和过去, 感受个人的成长和社会的进步。；
3.了解并体会字母组合er在单词中的发音;
4.让学生了解人类的两项重大发明并延伸中国古代的四大发明及其他的发明。
【教学重点】
1.阅读并了解相关的Culture time；
2.在前两课的基础上会正确并熟练对比以前和过去；
3.让学生了解人类的重大发明，激发学生的求知欲望和远大理想。
【教学难点】
1.阅读并了解相关的Culture time；
2.在前两课的基础上会正确并熟练对比以前和过去；
3.让学生了解人类的重大发明，激发学生的求知欲望和远大理想。
【课前准备】
ppt
【教学过程】
Step1：Warming-up
Watch the video;
Let’s recall the past.
Revision
Introduce myself.
b. Introduce themselves.
c. Introduce Clothes 、Food、House and Transportation about the past and the present.
Step2: Presentation
1. Sound time
1）Talk and lead-in： Bobby and Sam also learn English at school. This is an English lesson.
Ask: What are they doing now?
2)Try to read the sentences;
3)Explain :er is pronounced as ---
4)Try to say some other words about “er”
5)Read the words together ,then make some new sentences with the words.
2.Cartoon time
Watch the cartoon, then answer :Miss Fox gets angry. Why?
Read together and judge.
Read alone and answer: What do you think of Sam and Bobby?
Listen and repeat.
Think and imagine: If you were Miss Fox, what would you say?
Read in roles and try to act.
Guess : What are Bobby and Sam talking about?
3. Culture time
They’re talking about a book called Great inventions.
Ask: What is this? It’s an aeroplane. What about this? It’s a train.
Ask: Who invented the aeroplane and the train? Listen and repeat.
Introduce the first aeroplane and the first train.
Step3: Extension
1) The Americans and the British invented the first aeroplane and the first train. And Our Chinese people are even great. Then Introduce the Four Great Inventions of ancient China
2)Share some other inventions.
3）Sum up: Listen carefully in class, we will know a lot and be a useful person！
Step4: Homework
1.Read the dialogue with expression and try to recite it.
2 .Surf the Internet and find out some stories about inventions.

板书设计
Unit4 Then and now
(period 3)
---years ago, I--- er /ə/
Now I--- father brother together
- --invented--- writer letter singer winter
sweater winner
Period 4
【教学内容】
Unit 4 Then and now 第四课时
【教学目标】
1.正确完成书上Checkout中的练习
2.熟练并正确地比较过去与现在。
3.复习并巩固前三课时所学的单词与句型
4.正确使用过去与现在的句型写短文：I’ve grown up!
【教学重点】
1.复习并巩固前三课时所学的单词与句型
2.正确使用过去与现在的句型写短文：I’v