贵州省习水县七级英语下册 Unit 4 Don’t eat in class Section A（grammar focus3c）导学案 （新版）人教新目标版.doc

unit4 dont eat in class.第二课时 section a (grammar focus-3c )学习目标：1、重点单词rule规则2、重点词组 wear a hat戴帽子 wear a uniform穿校服 be quiet保持安静3、重点句式（1）dont run in the hallways. 不要在走廊里跑。（2）-what are the rules? 规则是什么？-we must be on time for class. 我们必须准时上课。（3）-can we eat in the classroom? 我们能在教室里吃东西吗？-no, we cant, but we can eat in the dining hall. 不能，但是我们可以在餐厅里吃东西。（4）-does he have to wear a uniform at school? 他在学校必须穿校服吗？-yes, he does./ no, he doesnt. 是的。/ 不，不是。 （5）-what do you have to do? 你必须做什么？-we have to be quiet in the library. 我们在图书馆必须保持安静。重点难点： 1. 祈使句的使用2. 情态动词的使用导学设计：1. dont run in the hallways. 不要在走廊里跑。【归纳】祈使句是用来表示请求、命令、叮嘱、号召或者劝告等的句子, 这类句子的主语常是第二人称you,也就是听话者,因而you常省去了。祈使句的开头是动词原形。可在句首或句末加上please，若在句末加please，之前要用逗号隔开。祈使句有肯定祈使句与否定祈使句两种。祈使句的否定形式多以donot (常缩写成dont) 开头, 再加上 。listen to music outside. dont listen to music outside. （1） 肯定祈使句的常见句型结构： do型：动词原形+宾语+其他. 如：open the door, please. be型：be+表语. 如：be a good boy! let型：let+宾语+动词原形+其他.(或：lets+动词原形+其他.) 如：let me help you. 又如：lets play tennis.（2）否定祈使句的常见句型结构： do型和be型的否定式：dont+动词原形 / be+其他. 如：dont forget me. 又如：dont be late. let型的否定式：dont+ let+宾语+动词原形+其他. (或：lets+ not+动词原形+其他.) 如：dont let him go back. 又如：lets not go swimming. 警示语：no+名词 / 动词-ing形式. 如：no talking. 2.we must be on time for class.我们必须准时上课。on time意为“ ”。含time的短语还有in time意为“及时”，at times意为“有时”，from time to time意为“不时，时常”。 he always gets to the office on time. 他总是准时到达办公室。they sent the boy to the hospital in time.他们及时送孩子去了医院。3. we have to be quiet in the library. 我们在图书馆必须保持安静。have to意为“必须，不得不”，后接动词原形，表示 条件下“必须做某事”。have to有第三人称单数形式，即has to，变疑问句和否定句要用助动词do/does。must意为“必须”表示主观条件下“不得不”。例如：its getting dark. i have to leave now.天变得越来越黑了，我得走了。you must follow the rules in the school.你一定要遵守学校的纪律。知识巩固：. 用所给单词的适当形式填空。1. dont _(listen) to music in the library.2. do we have to _(clean) the room every day?3. you cant _(wear) sunglasses in the classroom.4. please _(arrive) at school on time (准时).5. john is often late for _ (class). . 将下面的句子改为祈使句，每空一词。1. you can come in._ _, please.2. i can help you._ me _ you.3. you cant eat in class._ _ in class.4. you cant be late for school._ _ late for school.5. you cant take photos here._ photos here. . 根据句意，选用can，cant，must，have to或has to填空。1alice _ do her homework，so she goes to ask her teacher for help.2you dont _ clean your room today.3_ jim speak english？no，he cant.4_ i help him with chinese？yes，you must.5what does lily _ do in the evening?she _ do her homework. 单项选择。1_ listen to music in the classroom.anot bno cdont2tom，please _ the classroom now.aclean bto clean ccleans3lets _ on time for classes.abe bbe not care4she has to _ her homework every night.adoes bdo cdoing5sorry，you _ play basketball in the classroom.acant bdont cdont have to参考答案导学设计1. 动词原形 2. 准时 3. 客观知识巩固. 1. listen 2. clean 3.