1、Unit 4 Dont eat in class.,学 习 重 点,单词: out, practice, dish, before 短语: go out, do the dishes 句型: 1. -Can we eat in the classroo? -No, we cant, but we can eat in the dining hall.2. -Does he have to wear a uniform at school? -Yes, he does./No, he doesnt.3. -What do you have to do? -We have to be quiet
2、in the library.,预 习 检 测,一、请根据中文意思写出下列单词。（这些都是黑体单词，要好好记住哦。） 1. _ adv. 外出 2. _ v. /n. 练习 3. _ n. 碟；盘 4. _ prep.& conj. 在之前,car,life,ride,stop,PPT模板： PPT素材： PPT背景： PPT图表： PPT下载： PPT教程： 资料下载： 范文下载： 试卷下载： 教案下载： PPT论坛： PPT课件： 语文课件： 数学课件： 英语课件： 美术课件： 科学课件： 物理课件： 化学课件： 生物课件： 地理课件： 历史课件： 习 检 测,二、请认真阅读课本，找出以
3、下短语。 5. 外出 6. 清洗餐具 7. 晚餐前 8. 在上学的日子里 9. 在上学期间的晚上 10. 做早餐 11. 打扫房间 12. 练习钢琴,go out,do the dishes,on school days,before dinner,on school nights,make breakfast,clean the/ones room,practice (playing) the piano,预 习 检 测,三、熟读Grammar Focus，完成下列句子。 13. 他必须在学校穿校服吗？(have to) _ 14. 不要在走廊奔跑。(dont) _ 15. 我们能在教室吃东
4、西吗？(can) _,Does he have to wear the school uniform at school?,Dont run in the hallways.,Can we eat in the classroom?,思 考 探 究,must和have to的区别： 1. must表示主观上的必须，而have to侧重客观上的必要性。如： You must go to school now. 你必须现在就上学。 I have to stay at home and look after my grandmother. 我必须呆在家照顾我奶奶。 2. must的否定形式mustn
5、t表示禁止，不许；have to的否定形式dont/doesnt have to表示不需要，不必要。 3.must和have to都是情态动词，都接动词原形，must无人称和数的变化，而have to有时态和人称的变化。,4.用must和用have to构成的一般疑问句，肯定回答和否定回答方式不一样。试比较： -Must I finish my homework first? -Yes, you must./No, you neednt./No, you dont have to. -Does she have to go home now? -Yes, she does. /No, she
6、doesnt. 练习： 1) Bob can not go to the cinema because he_ help Dad in the garden. A. can B. can not C. has to D. must,C,2)- I do the dishes first?-No, you . You can do your homework first. A. Must; mustnt B. Can; mustnt C. Must; neednt D. Must; must help的意思及用法： 1. help sb. (to) do sth.帮助某人做某事； 2. help
7、 (sb.) with sth.在某方面帮助某人。 3) 在周末，我帮助妈妈打扫房间。 On weekends, I the room. 4) 我姐姐经常帮助我学英语。 My sister often _ English.,help my mother clean,C,helps me with,Period 2训练案 (课本P21-P22) 成效追踪,practice的意思及用法： practice作及物动词，意为“训练，练习”，后接名词、代词和_作宾语，如practice playing the guitar；它还可作不可数名词，意为“练习，实践”。 练习： 1. 我们经常练习画画。 We
8、 often _. 2. 她每天练习弹钢琴。 She every day. 3. 讲英语需要多加练习。 Speaking English needs a lot of _. 4. 熟能生巧。 makes perfect.,动名词,practice drawing,practices playing the piano,practise,Practise,一、单项选择 ( ) 1. Dont _ TV for a long time. A. watch B. watches C. Watching D. to watch( ) 2. Gina often helps her mother _ t
9、he dishes. A. Do B. does C. doing D.to does,能 力 阶 梯,A,A,( ) 3. _ you have to go to school today? No, we dont. A. Are B. Can C. Do D. Does( ) 4. Students have to _ the classroom every day. A. clean B. cleans C. cleaning D. to clean( ) 5. I usually practice _ violin in the morning.A. playing the B. pl
10、ay the C. to play the D. playing,能 力 阶 梯,C,A,A,二、根据所给中文写出适当单词。 6. Tom must come back _ (在以前) 10:00. 7. You can listen to music _(在外面). 8. There are many_(规则)in our school. 9. Its _(重要的) for people to eat breakfast every day. 10. You need to say _(抱歉的) to your friend.,before,outside,important,能 力 阶 梯
11、,rules,sorry,三、用所给词的适当形式填空。 11. You must do the _(dish) before you go out. 12. He often helps me _(clean) the classroom. 13. What are the _(rule)? 14. We have to _ (be) quiet in the library. 15. We cant _(eat) in the hallways.,dishes,clean/ to clean,be,rules,eat,四、完成句子。 16. 她每天练习游泳两个小时。 She _ for two hours every day. 17. 放学后我必须要照顾我的妹妹。 I _look after my sister after school. 18. 在晚上不要出去。_ at night. 19. 晚饭后你必须洗碗。 You must _after supper. 20. Mike每天都帮助他妈妈做晚餐。 Mike_dinner every day.,practices swimming,have to,Dont go out,do the dishes,helps his mother (to) make,
