课件21张PPT。Unit 4
Then and nowPart ALearning goals能够理解对话大意并能正确朗读所学对话（包含正确的语调和意群停顿）并回答读后问题。
能在图片的帮助下，在情景中运用there be句型，用3~5句话描述某个地方过去与现在的状态和变化。
能够理解one day、look it up、in my time 及 Internet的意义和用法，并能正确发音。
了解人类首次登陆月球的一些信息。Let’s tryToday, there is a guest visiting the school.
Listen and tick or cross. 1. The school changed a little.
2. Grandpa could use computers when he was at school.Check answers1. The school changed a little.
2. Grandpa could use computers when he was at school.Let’s talkGrandpa: Wow, a library! There was no library in my old school.
Sarah: Tell us about your school, please.
Grandpa: There was only one small building on a hill.
Wu Yifan: Could you see stars at night?
Grandpa: Yes, I liked the stars.
Sarah: Me too. One day I'm going to visit the moon.
Wu Yifan: The Americans took about five days to get there in 1969.
Sarah: How do you know that?
Wu Yifan: Easy, I looked it up on the Internet.
Grandpa: Ah! There were no computers or Internet in my time.
What was Grandpa's school like? Grandpa: Wow, a library! There was no library in my old school.
Sarah: Tell us about your school, please.
Grandpa: There was only one small building on a hill.
Wu Yifan: Could you see stars at night?
Grandpa: Yes, I liked the stars.
Sarah: Me too. One day I'm going to visit the moon.
Wu Yifan: The Americans took about five days to get there in 1969.
Sarah: How do you know that?
Wu Yifan: Easy, I looked it up on the Internet.
Grandpa: Ah! There were no computers or Internet in my time.
What was Grandpa's school like? Check answersQ: What was Grandpa's school like?
A: It was small. There was only one small
building on a hill. There was no library or no computers. 课文解读Grandpa: Wow, a library! There was no library in my old school.
Sarah: Tell us about your school, please.
Grandpa: There was only one small building on a hill.
Wu Yifan: Could you see stars at night?
Grandpa: Yes, I liked the stars.
Sarah: Me too. One day I'm going to visit the moon.
Wu Yifan: The Americans took about five days to get there in 1969.
Sarah: How do you know that?
Wu Yifan: Easy, I looked it up on the Internet.
Grandpa: Ah! There were no computers or Internet in my time.
There be 句型的过去式是There was…口语中的Me too. 意为“我也一样。”，主要用于延续前面的肯定信息。look up 意为“查寻；查阅”。Summary tell的用法
tell意为“讲，告诉”。常用结构：tell sb about sth ，表示“告诉某人某事”；tell sb to do sth 意为“告诉某人去做某事”。
例如：
Tell me all about it. 告诉我关于这件事的一切。
She tells me to do this job. 她告诉我做这项工作。tell后可接双宾语，即tell sb sth/ tell sth to sb，意为“告诉某人某事”。
例如：
She tells me a thing.
=She tells a thing to me. 她告诉我一件事。
【注意】tell是不规则动词，其过去式为told。be going to 的用法be going to 句型用来表示一般将来时，指按计划和安排打算要做的事情或者已有迹象显示可能发生的事情。take 表示“花费”
take表示“花费”，一般只用来指花费时间，常与动词不定式连用，它一般用于以下三种不同结构：
主语是人。例如：
I took three hours to get home last night.
昨天晚上我花了三个小时才到家。主语是活动。例如：
Painting the kitchen took me all week.
油漆厨房花了我整整一个星期。
主语是it，it为形式主语，其后的动词不定式短语为真正的主语，一般现在时的时态下，其结构为“It takes sb some time to do sth.”。 例如：
It takes him an hour to do his homework in the evening.
晚上他要花一个小时做作业。Role-playWhat was your school like five years ago? What is it like now? Draw and talk.Exercise一、单项选择。1. My grandfather_______ me a story last night.???
A.?tell????? B.?tells????? C.?told 2.?There________?some milk.?
A.?was????? B. were????? C.?are 3. —I want to eat some eggs.
—________.
A.?Me too????? B. I want????? C.?I too二、选词填空。 buildings hill stars moon computer1. There are many tall _________ in the city.
2. The ______ is bright.
3. There are many trees and flowers on the______.
4. There are many ______ in the sky.
5. There is a ________ on the table.Homework Tell your classmates the differences of your houses between the past and now. try to write them down.
