1、Unit 4 Then and now,Part A Let s learn,Lets do,GO to the library. Read a book. Go to the teachers office. Say hello. Go to the playground. Play football. Go to the garden. Water the flowers.,grass,（T : Whats this? Whose school? Whats the school like?）,Where is it ?,grass,playground,What can we do on

2、 the grass ?,play football（run/jump）,What can we do in the gym ?,play basketball,play ping-pang,play tennis,Where is it ?,dining hall,What can we do in the dining hall ?,have lunch,gym,I played ping-pong in the gym three days ago.,三天前 three days ago,一天前,one day ago,五天前,five days ago,兩年前,two years ag

3、o,四個(gè)月前,four months ago,一年前,one year ago,還有哪些表示過去的時(shí)間？,last weekend,last night,yesterday,the day before yesterday,last year 去年,last month 上個(gè)月,golden eyes,last month,three months ago,two years ago,gym,grass,dining hall,one day ago,motel,What are the differences?,twenty years ago,now,Was there a gym in

4、the school？,No, it wasn t.,Is there a gym in the school？,Yes, it is.,What are the differences ?,There was no gym in the school twenty years ago.,Now there is a new one in the school.,Attention: 注意使用there be句型,Now,1 hour ago,There is no people in the gym now.,There were many people in the gym 1 hour

5、ago.,Now,3 days ago,There is a TV in the dining hall now.,There was no TV in the dining hall 3 days ago.,Summary （現(xiàn)在地方有） There is _(+可數(shù)名詞單數(shù)或不可數(shù)）_ now. are _（+可數(shù)名詞復(fù)數(shù)）_ （過去地方有） There was _ (+可數(shù)名詞單數(shù)或不可數(shù)） _ ago. were _ （+可數(shù)名詞復(fù)數(shù)） _,For example:,There was/were no _ in the school twenty years ago.,Now ther

6、e is/are _ in the school.,Attention: 注意使用there be句型,twenty years ago,now,Lets say,Find the mistakes,there were no gyms,people didnt go by bus,people couldnt use the Internet,mistakes,buildings（建筑） gym dining hall post office coffee shop motel cinema traffic light（紅綠燈） street light（路燈）,traffic（交通） go by bus go by bike,activities(活動) watch TV use the phone use the Internet,At that time，there were no gyms. People didnt go by bus. People couldnt use the Internet.,Pair work,Discuss with your group. Find out the mistak