1、Unit 4 Then and nowPart A Let s learnYou can read books in it.What is it?Its a _.library There are teachers in it.They often work there.And you often hank in（上交）your homework there.What is it?Its a _.teachers officeYou often sing songs in it.Its a _.music roomYou often draws pictures in it.Its an _.
2、art room（T:Whats this?Whose school?Whats the school like?）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 lunchWhere is it?mote
3、l汽车旅馆hThedifferencebetweenhotelandmotel 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。gymI 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
4、days ago两年前two years ago四个月前 four months ago一年前one year ago还有哪些表示过去的时间？last weekend last night yesterday the day before yesterdaylast year 去年last month 上个月one year agotwo years agothree days agogymgrassdining hallfour months ago motel单词竞赛（2分钟速记）one month agolast yearlast monthlast monththree months
5、agotwo years agogymgrassdining hallone day agomotelWhat 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.Whatarethedifferences?There was no gym in the school twenty years ago.Now there is a new one in the school.Attention:注意使用th
6、ere be句型Now10 minutes agoThere is only one horse on the grass now.There were many horses onthe grass 10 minutes ago.Now1 hour agoThere is no people in the gym now.There were many peoplein the gym 1 hour ago.Now3 days agoThere is a TV in the dining hall now.There was no TV in the dining hall 3 days a
7、go.Summary（现在地方有）There is _(+可数名词单数或不可数）_ now.are _（+可数名词复数）_（过去地方有）There was _(+可数名词单数或不可数）_ ago.were _（+可数名词复数）_For example:There was/were no _ in the school twenty years ago.Now there is/are _ in the school.Attention:注意使用there be句型twenty years agonowthere were no gymspeople didnt go by buspeople
8、couldnt use the Internetmistakes buildings（建筑）gym dining hall post office coffee shop motel cinema traffic light（红绿灯）street light（路灯）traffic（交通）go by bus go by bike activities(活动)watch TV use the phone use the InternetAt that time，there were no gyms.People didntgo by bus.People couldnt use the Internet.Discuss with your group.Find out the mistakes in the Tang dynasty.At that time，there were/was no _.People didnt go _.People couldnt use _.
