Unit 4 Section B-1（课件ppt）-【备课神器】2020-2021学年七年级英语下册同步备课系列（人教版）

Section B Period 1 (1a-2c) Unit 4 祈使句 1. 表示命令、请求、建议等 2. 肯定形式以动词原形开头，省略隐 含主语You 3. 否定形式一般在动词原形前加 Don't Don't fight. Don't be late. Sit down. Be quiet. 祈使句 1. Don't be late for school. 2. Wear uniforms at school. 3. Don't bring music players to school. on time 2. We must get to school on time. We must be on time for school. We have to finish the work on time. listen 3. Don't listen to music in class. Listen to the teacher carefully. Listen to your mom, or you will be sorry. wear 4. wear a uniform wear uniforms wear the uniform wear, dress, put on 1. The girl often wears a red coat and a white hat. Can you help me to dress the baby? She is dressed in a red coat. He can't dress himself. Please put on your new coat. Practice 3 h c e b g d f 1a Read the rules in the chart in 1b. Then match the picture [a-h] with the rules. Rules Can’t (×) Have to/ Must (√) When a go out × on school nights see friends do his homework practice the guitar do the dishes watch TV help his mom make breakfast clean his room 1b Listen and put an × for things Dave can’t do and a √for things he has to do. × × √ √ √ √ √ Rules Can’t (×) Have to/ Must (√) When a go out × on school nights see friends do his homework practice the guitar do the dishes watch TV help his mom make breakfast clean his room 1c Listen again. Write when Dave has to follow the rules in the chart in 1b. Choose from the phrases in the box. on school nights every Saturday before dinner in the evening on school days after dinner after school every morning on school days after class before dinner after dinner in the evening every morning every Saturday Rules Can’t (×) Have to/ Must (√) When a go out × on school nights see friends do his homework practice the guitar do the dishes watch TV help his mom make breakfast clean his room Why? 2a When you are unhappy abo