Unit 4 Then and nowPart B Lets learnPlayground, playground. Lets run, lets run.Grass, grass. Play football, play football.Gym, gym. Play ping-pong, play ping-pong.Dining hall, dining hall. Have lunch, have lunch.Today we are going to visit our school.Now, let s go !Where is it ?grassplaygroundWhat can we do on the grass ?play football（run/jump）Where is it ?gymWhat can we do in the gym ?play basketballplay ping-pangplay tennisWhere is it ?dining hallWhat can we do in the dining hall ?have lunch单词竞赛单词竞赛（3分钟速记）分钟速记）librarygymcinemadining hallpost officebookstoreWhat are the differences?twenty years agonowWas there a gym in 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: 注意使用注意使用there be句型句型Discuss with your group. Find out the mistakes in the Tang dynasty.At that time，there were no _. People didnt go _. People couldnt use _. Find the mistakes there were no gymspeople didnt go by busmistakesbuildingsbuildings（建筑）（建筑）gymgymdining halldining hallpost officepost officecoffee shopcoffee shopmotelmotelcinemacinematraffic lighttraffic light（红绿灯）（红绿灯）street lightstreet light（路灯）（路灯）traffictraffic（交通）（交通）go by busgo by busgo by bikego by bikeactivities(activities(活动活动) )watch TVwatch TVuse the phoneuse the phoneuse the Internetuse the InternetAt that time，there were no gyms. People didnt go by bus. People couldnt use the Internet.At that time, there were no _s.People didnt _.People couldnt _.gymgo by bususe the InternetSummary（或板书）（现在地方有）There is _(+名词单词或不可数）_ now. are _（+名词复数）_（过去地方有）There was _ (+名词单词或不可数） _ ago. were _ （+名词复数） _Homework1.听录音，跟读；抄单词，练习书写，美观工整。2.用英文向家人描述学校的今昔变化。3.完成同步相应练习。See you!