Unit 1 Public signsPeriod 3 Today is Saturday. Ben and his cousin, Jack, are in the park. Jack is only four years old but he always has a lot of questions. He sees some public signs in the park. He is asking Ben some questions about them. Today is Saturday. Ben and his cousin, Jack, are in the park. Jack is only four years old but he always has a lot of questions. He sees some public signs in the park. He is asking Ben some questions about them. Listen and repeatThere are a lot of signs here, Ben.There are a lot of signs here, Ben.Yes. They’re public signs. They meanYes. They’re public signs. They meandifferent things.different things.There’s a sign on the wall. What does There’s a sign on the wall. What does it mean?it mean?It means “Danger”!It means “Danger”!Can I go in?Can I go in?No, you can’t. You must stay away No, you can’t. You must stay away from the building.from the building. Listen and repeatThere’s a sign on the grass. What does it mean?What does that mean?It means we shouldn’t walk on the grass.It means ‘ Be quiet ’! We shouldn’t make noise here.It means “Keep off the grass”!The sign on the bird’s cage is interesting. What does it mean?Now I know a lot about the public signs. Thank you, Ben. Read and complete Do you like the park, Jack?publicsignsmeanshouldn’tbe/keepquietstayawayYes, I do. Now I know a lot about in the park. They different things. We walk on the grass. We should near the bird’s cage. The sign on the building in the park means‘Danger’. We must fromit. What does this sign mean?It means you shouldn’t climb the tree. What does this sign mean?It means you shouldn’t litter. should 应该 should not = shouldn’t不应该 must 必须 后面加动词原形 What does this sign mean?It means you shouldn’t … What does this sign mean?It means you shouldn’t touch. What does this sign mean?It means you shouldn’t eat or drink. What does this sign mean?It means you shouldn’t walk on the grass. What does this sign mean?It means you shouldn’t take photos. Can I go to the park?No, you can’t. You should go home now. Can I play computer games?No, you can’t. You should go to bed now. Can I …?No, you can’t. You should … now. Can I watch TV?No, you can’t. You should read books now. Can I have an ice cream?No, you can’t. You should have dinner now.
