新版新目标英语七年级下unit4--Don't-eat-in-class课件

Period 1 We have school rules(校规) and class rules(班规). What are the rules? 规定是什么？ Can you eat in class? No, we cant. Dont eat in class. eat in class 在班里吃东西 Dont listen to music in class. Can we listen to music in class? No, we cant. 在班里听音乐 listen to music in class Can we arrive late for class？ Dont arrive late for class. 7:15 No, we cant. arrive late for class 上课迟到 Dont run in the hallways. run in the hallways 在走廊上跑 Can we run in the hallways？ No, we cant. Dont fight . Can you fight in school？ No, we cant. fight 打架 fight fight withwith sb. sb. 同某人打架同某人打架 DontDont arrive late for class. arrive late for class. DontDont run in the hallways. run in the hallways. DontDont eat in the classroom. eat in the classroom. DontDont listen to music in class. listen to music in class. DontDont fight. fight. What are the rules? 祈使句祈使句 表示请求表示请求, ,命令等语气的句子命令等语气的句子. . 有有肯定肯定和和否定否定之分，肯定祈使句以之分，肯定祈使句以 动词原形动词原形开头，而否定祈使句只需开头，而否定祈使句只需 在动词原形之前加在动词原形之前加dontdont. . 肯定祈使句肯定祈使句 否定祈使句否定祈使句 Sit down.Sit down. Come on.Come on. Eat at home.Eat at home. Listen to music.Listen to music. Do your homework.Do your homework. DontDont sit sit down.down. DontDont come on come on . . DontDont eat at home. eat at home. DontDont listen to musiclisten to music . . DontDont do your homeworkdo your homework . . 1 1 3 3 4 4 5 5 2 2 1a1a Write the number of the rule next to the students. School Rules 1. Dont arrive late for class. You must be on time. 2. Dont run in the hallways. 3. Dont eat in the classroom. You must eat in the dining hall. 4. Dont listen to music in class. 5. Dont fight. Listen. What rules are these students breaking? Write the numbers below the names. NamePeterAmy Mike rule23 4 period two 情态动词must和have to must have to 必须 （强调主观） 后接动词原形, be动词原形 必须 ,不得不（强调客观,不情愿） 后接动词原形，be动词原形 eg. I must go now. You must be quiet. eg. You have to go home. I have to do my homework. 情态动词 must用法举例 wear a uniform 穿校服 You must wear a uniform. wear a hat 戴帽子 You must wear a hat. eat in the dining hall 在食堂吃饭 You must eat in the dinning hall. be quiet 保持安静 We must be quiet. 7:15 be on time 准时 We must be on time. have to用法举例 do my homework 做我的作业 A；What do you have to do? （你不得不做什么） B：I have to do my homework. clean my room 打扫我的房间 A；What do you have to do? （你们不得不做什么） B：I have to clean my room. be quiet 保持安静 A；What do you have to do? （你们不得不做什么） B：We have to be quiet. play the guitar 弹吉他 A；What do you have to do? （你不得不做什么） B：I have to play the guitar. have to 用法注意 1 have to 后接动词原形 eg: I have to do my homework. I have to be quiet. 当主语是第三人称单数时，have to 变为 has to eg: She has to do her homework. He has to be quiet. 当have to 用于疑问句和否定句中时，要 根据情况添加助动词。 例1: I have to go now.(陈述句) 一般疑问句： 否定句： 例2：He has to run.(陈述句) 一般疑问句： 否定句： have to 用法注意 2 Do you have to go now？ I dont have to go now. Does he have to run？ He doesnt have to run. 1.Write your name on the list.（改为否定句） _ _your name on the list. 2 Go to the bus stop.（改为否定句） _ _ to the bus stop. 3 I have to do to school.(改为一般疑问句) _ _ _ to go to school? 4. Mary has to do the cleaning at home on weekends, (改为一般疑问句) _ Mary _ to do the cleaning at home on weekends? 5. She has to go. （改为否定句） She _ _ to go. Dont write Does have Dont go Do you have doesnt have Thank you!