Unit 4 Then and now,Part A Let s learn,Today we are going to visit our school.,Now, let s go !,Is she in the _?,No, she isnt.,garden,Is she in the _?,No, she isnt.,teachers office,Is she in the _?,Ha ha, Im here!,Whats this?,Its grass.,grass,grass,What can you do on the grass?,I can play football on the grass.,You can play basketball in it. Sometimes you have a P.E class in it. Guess. What is it?,猜一猜！,gym,I played ping-pong in the gym three days ago.,三月前 three months ago .,一天前,one day ago,五周前,five weeks ago,两年前,two years ago,多久以前,（时间名词+ ago）,还有哪些表示过去的时间？,last weekend,last night,yesterday,the day before yesterday,last year 去年,last month 上个月,Whats this?,Wall Floor Board,Its a wall.,wall,fall,ball,hall,hall,大厅、礼堂,dining,We often have lunch in the dining hall.,Whats in the picture?,building,playground,grass,Was there a dining hall in your school three years ago?,dining hall,Yes,there was. There was a dining hall in my school three years ago .,Was there a grass in your school forty months ago?,grass,No, there wasnt. There was no grass in my school forty months ago.,Was there a gym in your school last year?,gym,No, there wasnt. There was no gym in my school last year.,Last year 去年,你会说下面单词和短语的意思吗？,dinning hall,gym,grass,years ago,months ago,last year,last month,What are the differences?,twenty years ago,now,There was only one old building in my school twenty years ago.,There are many new buildings in my school now.,Was there a gym in the school？,No, there wasn t.,Is there a gym in the school？,Yes, there 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,Find the mistakes,In the Tang dynasty,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 mistakes in the Tang dynasty.,At that time，there were no _. People didnt go _. People couldnt use _.,At that time, there were no dinning halls.,At that time, there were no post offices.,At that time, there were no cinemas.,At that time, there were no motels(汽车旅馆).,Where is it ?,m,otel,汽车旅馆,h,The difference between hotel and motel,Motels parking space（停车位） and room are linked together(相连). The garage(车库) is on the first floor, the room is on the second floor.汽车旅馆与一般旅馆最大的不同点，在于汽车旅馆提供的停车位与房间相连，一楼当作车库，二楼为房间。,At that time, there were no cafs（咖啡馆）.,At that time, there were no telephones.,At that time, there were no traffic lights.,At that time, there were no lights.,At that time, people couldnt go by bike and by taxi.,There be 句型,现在时,There is +单数 There are+复数,过去时,There was +单数 There were+复数,Tips: There是个近视眼，只能看到最近的， 最近的是单数用is，是复数用are； 如果是表示过去的，单数用was，复数用were,Lets say,For example:,There was no _ in the school twenty years ago.,Now there is a new one in the school.,Attention: 注意使用there be句型,检测练兵,1、There _ an apple on the table.A.is B.was C.are 2、There_ two apples in the basket.A.is B.was C.are 3、There _ an apple, two pears and five watermelons on the table.A.is B.was C.are,A,C,A,4、There _ no gyms in my school 2 years ago.A. was B. are C. were 5、There _ no grass in my school last year.A. was B. are C. were 6、There _ no gym, no dinning halls and no library in my school six months ago.A. was B. are C. were,C,A,A,Thanks,