1、复习Unit4 Then and now gymmonths agoyears agogo cyclinglast month火眼金睛：火眼金睛：Read quickly(快速、正确地读出单词快速、正确地读出单词)ice-skategrasslast yeardining hallReviewplay badminton你能说出下面短语的过去式吗？你能说出下面短语的过去式吗？go cyclingplay badmintonthinkiscanwent cyclingplayed badmintonthoughtwascould There be-的构成 There be +某物/某人+某地 表
2、示：某地表示：某地有有某物或某人某物或某人 There be+sb+sw 1:There is a girl and two boys in the picture.2:There are two boys and a girl in the picture.就近原则就近原则 be动词单复数形式要跟动词单复数形式要跟there be之后的第一个主语保持一致，如果之后的第一个主语保持一致，如果第一个主语是单数或不可数名词用第一个主语是单数或不可数名词用is，如果第一个主语是复数用，如果第一个主语是复数用are。there 是个近视眼。是个近视眼。There be句型表达变化:现在时：There
3、is+单数.There are+复数.过去时：There was+单数.There were+复数.Things are different now.The School Now The School Twenty years agoThere is a tall building.There was a small building.There is a playground.There was no playground.现在的学校:There is a library now There is a gym There are tall buildings.二十年前的学校：There wa
4、s no library.twenty years ago There was no gym.There were no buildings.用.ago 造句.hours ago.days ago.months ago.years ago There were some dogs in the playground 2 hours ago.There was a dog in the playground 2 hours ago.years ago：.年前 I went to Beijing two years ago.I went to Hangzhou ten years ago.月前.天
5、前 练习：三天前，我去钓鱼了。三个月前，我打羽毛球了。days agomonths agofootball basketball swimming ping-pong badminton ice-skate cycling kung fuDo you like _?I liked it three years ago.How about now?Now I like _.Its very interesting.ping-pongplaying basketballA:B:A:B:Before：一般过去时 动词用过去式Now:表示现在的状况They are all different now.
6、Before I liked to play badminton.Now I like to ride a bike.Before it was an egg.Now.it is a chick.Before it was raining.Now.It is sunny.Before there was a building.Now .there is a lake.Before the cat was on the chair.Now.it is under the chair.Before Chen Jie was short.Now she is tall.请结合以前所学知识，用本单元所
7、学单词和词组编一组对话！A:B:A:B:检测练兵检测练兵用下列所给词的适当形式填空：用下列所给词的适当形式填空：1、There were not any _(computer)at all.2、Before I _(be)short.3、There _(be)no gym in my school ten years puterswaswas old photos different go cycling quiet ride a bike well A 不同的 B 去骑自行车 C 自行车骑得好 D 老照片 E 安静的 Its your show time!检测练兵1、There an app
8、le on the table.A、is B、are C、were2、There two apples on the table.A、is B、are C、was3、There no gyms in my school two years ago.A、is B、was C、were4、There no library in my school two years ago.A、is B、were C、was（A）（B）（C）（C）课堂作业：写出5个过去和现在比较的句子。例如：I was short before.Now I am tall.The tree was yellow before.Now it is green.There was a building before.Now there is a lake.
