1、Unit 4 导学案 3学科 英语 编制人 LWX 日期 姓名课型 新课 课 题 Dont eat in class? Grammar focus学 习 目 标1 学习 21 页语法重点，掌握重点词语及语句。2 熟练运用 must , have to 以及它们的句式变化。重 点、难 点重点：重点词语及语句。难点：have to 的用法学习过程设计一，课前完成写出下列短语。1.听音乐_ 2.在教室里_ 3.戴帽子_ 4.许多规则_ 5.非常重要_ 6.音乐播放器_ _ 7.不得不_ 8.保持安静_二课文学来源:学优高考网习要点总结 . must “必须” （强调主观意志） ；没有人称和数的变化；
2、否定：mustnt “不准”have to “必须” （强调客观因素）三人称用：has to; 否定：dont/ doesnt have toDo you have to wear a uniform at school? 1.have to 为固定短语，意为“不得不” ，强调由客观原因造成不得不去做某事，有各种时态和人称变化，在变否定句和疑问句时借助动词 do, doesEg: 你不必天天来。 _ 你在学校是不得不穿校服吗？ -是的，我们是。 不，我们不是。_ 2.注:must 也意为“必须，应该，不得不” ，强调由于主观原因一定要做某事，只用于一般现在时，没有时态和人称的变化，在否定句中或
3、作否定回答时用 neednt。Eg:你必须先在就完成家庭作业。 _ -我现在必须回家吗？- 是的，你必须回家。 /不，你不必。_ 3. a lot of= lots of/ many/ much4. bring sth. to sb.“带来”= bring sb. sth.来源:gkstk.Com三练习巩固按要求改写句子。1We cant listen to music in the classroom.(改为祈使句 )来源:学优高考网 gkstkto music in the classroom.来源:学优高考网 gkstk2Eat in class ,please.(改为否定句) _ in
4、 class,please.3They have to clean the classroom every day.（对划线部分提问）They have to _every day.4Listen to music in the hallways（改否定句）Listen to music in the hallways.5. She has to wash clothes every week. (改为一般疑问句) Does she wash her clothes every day.6. My sister can play the piano. (对划线部分提问) your sister
5、 ? 7. Linda can play chess well. (改为否定句) Linda chess well. 8. She has to do the housework every Sunday. (改为一般疑问句 和否定句) 来源:gkstk.Comshe do the housework every Sunday?She the housewo rk every Sunday.9 I have to help my mother do some washing.(对划线部分提问 )?10 Do they have to stay at home and study? Yes, t
6、hey . / No, they .四拓展与归纳单项填空1，The students have to wear _ uniform. A. a B. an C. the D. /2，What rules _ you have to obey (服从)? A. are B. is C. do D. does3， We _ eat in the classroom, because its impolite (不礼貌) to the teache rs. A. can B. cant C. must D. need4，If you arrive late _ school, you must say _ to your teacher. A. fo r; thanks B. for; sorry C. to; sorry D. in; thanks
