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1、Unit 4 Dont eat in class课题Unit 4第1课时课型新授编号4-1学科英语班级七年级领导签字执笔人使用人使用时间学习目标1、初步掌握第19页的生词和句型;2、初步了解祈使句;3、谈论校规;4. 复习must的用法学习重点、难点初步了解祈使句课时安排1课时自主预习翻译1. school rules _2. arrive late for class _ 3. (be) on time _4. in the hallways _ 5. 在餐厅 _ 6. 听音乐_ 展示交流Step 1 Revision How do you get to school? How far is
2、 it from your home to school?How long does it take to get to school?Can you arrive late for school?Step 2 Presentation(1) Learn the new words and phrases using some pictures.(2) Present key sentences with these pictures. Dont arrive late for class. We must be on time.Dont run in the hallways. Dont e
3、at in the classroom. Dont listen to music in class. Dont fight. (3) Finish 1a, and then check the answers.Step 3 ListeningListen and finish 1b. Check the answers.Step 4 Pair workTalk about the rules in 1a.知识探究Dont arrive late for class. 不要上课迟到。(1)本句是一个否定的祈使句,祈使句是以动词原形开头的,表示命令或请求的句子。其否定句是在动词原形之前加dont
4、。如:Dont do that again. 不要再做那样的事情了。Dont tell our teachers our secrets. 不要告诉我们老师我们的。(2)肯定的祈使句: 句型:动词原形.(省略主语)。例如:Look at these holes ! 看这些洞。 有时,为了加强语气,可以在动词之前加do。例如: Do be quiet. 务必安静。 用客气的语气表示祈使句时,可在句首或句尾加上please,但如果在句尾加please,那么在please之前一定要加上一个逗号“,”。如:Keep quiet, please. 请保持安静。 祈使句中如果有唤语,一定要用逗号“,”将唤
5、语与其他的内容隔开,唤语置于句首或句尾。如:Come here,Li Ming. 到这儿来,李明。 (3)祈使句与陈述句的改写: 祈使句=you must .(陈述句)。如:Be quiet. = You must be quiet. 安静。 Please + 祈使句.= Will you please ? 例如:Please read after me. = Will you please read after me ? 请跟我读。(4)祈使句“Let.”句型Let作为动词常常用于祈使句,但表示意义并不相同。 Let 表示“建议”,后面跟第一人称代词作宾语。如:Let me try agai
6、n. 让我再试一试。 Let 表示“间接命令或愿望”,后面接第三人称代词作宾语。如:Let him work out the problem by himself.巩固提升 ( )1. If you arrive late _ class, you must say _ to your teacher. A. for, thanks B. for, sorry C. to, sorry( )2. Can you sing in the classroom? _ A. Yes, you can. B. No, I can. C. Yes, we can.( )3. Dont arrive late. You must be _ time.A. to B. on C. at( )4. Please listen _ the teacher carefully (认真地). A. to B. on C. at( )5. Dont _ TV after class. A. watch B. watches C. watching