(
课件网) 冀教版 英语 四年级 上册 Unit 2 School rules Lesson 1 Follow the signs Warm up Lead in Do you know the school rules School Rules Lead in sign 标志，符号 [sa n] Follow the signs. 按指示牌走。 follow 遵循；跟随 [ f l ] Presentation Let’s learn. sorry 抱歉 [ s ri] Sorry. I’m late. 抱歉我来晚了。 Let’s learn. run 跑 [r n] Don’t run in the classroom. 不要在教室里跑。 Let’s learn. walk 走 [w k] I often walk to school. 我经常步行去学校。 Let’s learn. there 在那里 The gym is over there. 体育场在那里。 [ e (r)] Let’s learn. over 从一边到另一边；结束 over there 在那边 [ v (r)] please 请 [pli z] Sit down, please. 请坐下。 Let’s learn. keep 保持 [ki p] Keep the classroom clean. 保持教室干净。 Let’s learn. grass 草 [ɡrɑ s] Don’t walk on the grass. 不要在草地上行走。 Let’s learn. keep please walk sorry follow over there sign run Play a game. grass Look, listen and say. Look at the sign. Walk on the right. Sorry. Are you OK Yes, I’m fine. But don’t run, Danny. Look, listen and say. Look! Don’t litter. Keep the gym clean. The gym is over there. Please keep off the grass. OK. keep off 别靠近，远离 Don’t litter. 禁止乱扔垃圾。 Look, listen and say. Look at the sign. Walk on the right. Sorry. Are you OK Yes, I’m fine. But don’t run, Danny. The gym is over there. Please keep off the grass. Look! Don’t litter. Keep the gym clean. OK. Complete the dialogue. Look at the sign. Walk on the right. Sorry. Are you OK Yes, I’m fine. But don’t run, Danny. The gym is over there. Please keep off the grass. Look! Don’t litter. Keep the gym clean. OK. Don’t litter. Keep the gym clean. 祈使句的肯定和否定的用法 Language point. 用于表示请求、命令、劝告、建议、制止等的句子叫做祈使句。祈使句因主语是第二人称，习惯上常会将主语省略，将动词原形放在句首。否定祈使句在动词原形前面加Don’t。 eg. Be quiet, please. 请安静。 No parking. 禁止停车。 Don’t litter. 不要乱扔垃圾。 口诀 祈使句，祈使句，请求、命令或建议。 主语是you常省去，动词原形开头记。 否定形式要注意，句首要把Don’t加。 要讲客气用please，句首句末没关系。 详解： Look, read and match. Don’t litter! Keet off the grass! Walk on the right! Don’t run! Look, read and write. Don’t in the classroom. Keep off the . Keep the classroom . Walk on the . Don’t run! What is the sign Talk in pairs. Don’t litter! What is the sign Talk in pairs. Keep off the grass! What is the sign Talk in pairs. Walk on the right! What is the sign Talk in pairs. Now I can Contents My stars Say Don’t litter! Keep off the grass! Walk on the right! Don’t run! Ask＆answer —What is the sign —Keep off the grass! / Don’t run! ... Excellent Good More work needed Good to know 一、连一连。 Exercises Walk on the right. Don’t litter. Don’t run. Keep off the grass. 二、从框中选择对应的短语。 keep ... clean look at in the classroom over there keep off walk on the right 1.看…… _____ 2.与……保持距离_____ 3.在教室里_____ 4.在那边_____ 5.保持……干净_____ 6. 靠右行走_____ look at ke ... ...
