1、A Lets learnUnit4 Then and nowCan you guess?Guess and saylibraryWe can see and read many books in it.We can borrow(借)the books from it.Where is it?There are teachers in it.They often work there.And you often hank in your homework there.What is it?Its a _.teachers officeYou often draw pictures or pai
2、nt in it.Its an _.art roomgardenI can see many beautiful flowers and green grass in it.Where is it?gym playgroundWe can do sports and have P.E class in it.Where is it?computer roomThere are many computers and internet in it.We can have computer class in it.Where is it?music roomI can sing the songs
3、in it.Where is it?washroomI can wash my hands in it.Where is it?dining hallWe have lunch in it.Where is it?（T:Whats this?Whose school?Whats the school like?）Hello,Im Wu Yifan.Id like to introduce my new school.It is very new and nice.There is a beautiful dining hall.I eat lunch there.The food is ver
4、y yummy.There is a big gym.When its rainy,we have PE class there.And I often play basketball with my friends there.Near the gym,there is green grass.Sometimes we play football on the grass.There are some trees,too.But five years ago,there was no gym.And there was no dining hall.There were no trees,e
5、ither.But now my school is more beautiful than before.I like my new school.Whats Wu Yifans new school like?There is/are WechatLets chantDining hall,dining hall,Lets have lunch in the dining hall.Gym,gym,gym.Gym,gym,gym.Play basketball in the gym.Grass,grass.Grass grass.Dont walk on the grass.Make a
6、new chantDining hall,dining hall,_Gym,gym,gym.Gym,gym,gym._Grass,grass.Grass grass._GThere is a dining hall in the school now.NowFive years agoThere was no dining hall in the school five years ago.There is a gym in the school now.There was no gym in the school five years ago.There are some trees in
7、the school now.There were no trees in the school five years ago.Wu Yifans schoolNow10 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
8、 a TV in the dining hall now.There was no TV in the dining hall 3 days ago.Now3 weeks agoThere is no an eraser on the desk now.There was an eraser on the desk 3 weeks ago.Nowten years agoThere is no big tree on the playground now.There was an old treeten years ago.Nowten years agoThere is a tall and
9、 new building on the playgroundnow.There was an old and small building ten years ago.Nowlast yearThere was a dirty river last year.There is a clean river now.Nowlast yearThere was small tree last year.There is a big tree now.Nowlast monthThere were grey curtains last month.There are no curtains now.
10、Nowlast monthThere were grey curtains last month.There are blue walls now.There were white walls last month.There are no curtains now.nowten years agoThere is/are.now.There was/were.ten years ago.Is/Are there.now?Yes,there is/are./No,there isnt/arent.Was/Were there.ten years ago?Yes,there was/were./No,there wasnt/werent.At that time,there was/were no _People didnt _People couldnt _gyms go by bususe the InternetTang dynastySummary（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。
