Matching Matching A A B B Save Save Don’t pick Don’t pick Don’t throw Don’t throw Keep off Keep off water water Collect Collect trash on the streets trash on the streets the grass the grass flowers flowers paper paper Unit 16. Unit 16. Man and the environment. Man and the environment. Period 99:B.Pollution(4,5 Period 99:B.Pollution(4,5 ) ) Should: nªn Should: nªn Should not=shouldn’t: kh«ng nªn Should not=shouldn’t: kh«ng nªn Should Should Shouldn’t Shouldn’t + V Matching Matching A A B B Save Save Don’t pick Don’t pick Don’t throw Don’t throw Keep off Keep off water water Collect Collect trash on the streets trash on the streets the grass the grass flowers flowers paper paper e.g.We should save water. e.g.We should save water. We shouldn’t pick flowers. We shouldn’t pick flowers. (1)Nga:Put it in a trash can (1)Nga:Put it in a trash can (2)Lan:Then we should put it in a (2)Lan:Then we should put it in a bag and take it home. bag and take it home. (3)Nam:There aren’t any trash cans. (3)Nam:There aren’t any trash cans. (4)Ba:What are we going to do? (4)Ba:What are we going to do? (5)Lan:We shouldn’t leave our trash (5)Lan:We shouldn’t leave our trash (5)Lan:We shouldn’t leave our trash. (5)Lan:We shouldn’t leave our trash. (4)Ba:What are we going to do? (4)Ba:What are we going to do? (1)Nga:Put it in a trash can. (1)Nga:Put it in a trash can. (3)Nam:There aren’t any trash cans. (3)Nam:There aren’t any trash cans. (2)Lan:Then we should put it in a bag (2)Lan:Then we should put it in a bag and take it home. and take it home. a.We should not leave trash. a.We should not leave trash. b.We should save water. b.We should save water. We shouldn’t waste water. We shouldn’t waste water. c.We should not damage trees. c.We should not damage trees. We should grow trees. We should grow trees. d.We should collect bottles and d.We should collect bottles and cans. cans. We shouldn’t throw bottles and cans We shouldn’t throw bottles and cans on the street. on the street. e.We shouldn’t pick flowers. e.We shouldn’t pick flowers. - - Make 5 sentences with ‘Should Make 5 sentences with ‘Should and shouldn’t” and shouldn’t” - Do exercise 4. - Do exercise 4. Homework . Homework . . Unit 16. Man and the environment. Man and the environment. Period 99: B.Pollution(4,5 Period 99: B.Pollution(4,5 ) ) Should: nªn Should: nªn Should not=shouldn’t: