第3课时Grammar Focus-section A 3a—3c
【预习指导】自我预习： 一、扫清障碍
根据音标读出本节课-的单词。 二、课本预习：
熟读Grammar focus, 复习本单元的重要句型. 学习3a 并完成练习，谈校规 运用本单元句型完成3b 三、预习效果检查。完成句子
1. 你们学校有什么规定？ What are the your school 2. 请勿在走廊上追逐也不要上课迟到。
Don’t run and don’t late for class. 3. 我们可以在学校吃东西吗？ Can we in school? 4.我们可以在食堂吃东西但不可以在课室吃。
We can eat in the ___________, but we can't eat . 5.你们必须在学校穿制服吗？ 是的，我们要穿。
Do you wear a uniform at school? Yes, ______ _______. 6.我们还有什么必须得做吗？你们必须打扫课室。 What do we have to do? You have to ____________. 【 探究案】
Do 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, does, did。
Eg: 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.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，在否定句中或作否定回答时用needn’t。
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。 - 【成果展示】
一，按要求改写句子。
1. I can sing this song in English. (变成否定句)
_______________________________________________ 2. Eat food in the classroom. (变成否定句)
_______________________________________________ 3. He has to do his homework at school. (变成否定句)
_______________________________________________ 4. You can watch TV after supper. (变成祈使句)
_______________________________________________ 5. They can play basketball after school. (变成一般疑问句) _______________________________________________ 6. Mr King has to stay at home. (对划线部分提问) _______________________________________________
二，单选：
1.-Why are you walking so fast? Because I get home to do my work. A. have B. go to C. have to D. has to
2. You go in a hurry(匆忙).There’s enough time left. A. have to B. hadn’t C. don’t have to D. mustn’t
3. Sorry, I can’t it in English. I can only Chinese. A. speak, talk B. say, tell C. say, speak D. talk, say 4.-Can you cook dinner? . It’s easy.
A. No, I can’t B. Yes, I can C. No, I can D. Yes, I need
第4课时Section B （1a—1d ）
【预习案】 1.重点语法： a:祈使句的用法。
b:情态动词can, can’t 的用法 ——Can we wear a hat in school? ——Yes, we can./No, we can’t. have to 和 must 的用法 预习效果检查
一、预习课文，写出下列单词和词组： 1.外出____________ 2. 练习 ___________ 3.在.....以前 __________ 4. 清洗餐具 __________ 5.碟，盘__________ 6 .看朋友 ________ 二、试着翻译下列句子。
1、戴夫能在上课时间晚上出去吗？ _____________________________ 2、不，他不能。
3、___________________________________ 【探究案】 1.practice的用法
practice +V-ing vt.练习,训练,其后跟名词,或动名词做宾语 He practices (play) the piano every day. 2. by “在……之前”,用来表示时间，指期限。
He has to go back 10 o’clock. 他必须在10点之前回去. 3. No talking!禁止谈话
No+名词或动名词,表示禁止,不要做某事,常用于公共场所,提醒人们注意.
No smoking! 禁止吸烟! No ! 禁止游泳! No photos! 禁止拍照! No ! 禁止吃东西！ 【成果展示】 一、 单项选择
1.I have to go to bed 9 o'clock. A. by B. to C. on D. On 2. Eating meat is not good for your health..
A.too many B. too much C. much too D. too little
3.The traffic accident（交通事故） happened（发生） a cold morning. A.in B.on C.at D.of
4. The picture means \ \
A.He can't swim. B.Not swim. C.No swimming D.He is swimming 5. Linda to practice the piano last Saturday.
A. has, playing B. have, play C. had, playing D. had, to play 二、句型转换。
1. My sister can play the piano. (对划线部分提问)
your sister ? 2. Linda can play chess well. (改为否定句)
Linda chess well.
3. I have to help my mother do some washing.(对划线部分提问) ?
三) 用can, can’t, do, don’t, have to填空。 1. -- What are the rules at your school? -- run the hallway . 2. -- we eat in school?
—We can eat in the dining hall, but we eat in the classroom. 3. --What else you have to do? –We clean the classroom. 四）用方框中的此完成对话，每空一词
do, watch, into, have, can’t, like , listen, clean, can, don’t A: Do you your new school?
B: Yes. It’s a good school and there are many rules. A: Really? you go out on school nights? B: Yes, we can. But we eat in class. And we can’t arrive late for class. A: Do you to wear uniforms?
B: No, we have to do that. But we have to the classroom every day. We can go the classroom without the teacher. We can _ to music outside.
A: Can you TV after school?
B: No, we .We have to the homework
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