人教版新目标七年级下册unit4sectionA知识点总结串讲课件(23张)

1、Unit 4 Dont eat in class.Section AUnit 4 Dont eat in class.SeLead-inDo you know these signs in a city?What does the sign mean?You cant smoke here.Dont smoke!No smoking!Lead-inDo you know these signsWhat does the sign mean?You cant take photos here.Dont take photos here!No photos!What does the sign m

2、ean?You caWhat does the sign mean?What does the sign mean?You cant swim here.Dont swim here!No swimming!What does the sign mean?What dWhat does the sign mean?You cant spit here.Dont spit here!No spitting!What does the sign mean?You caWords Reviewrulearrivehalldining halllistenfightsorryoutsidewear i

3、mportantbringquiet规则；规章到达大厅；礼堂餐厅听；倾听打架；战斗抱歉的；难过的；惋惜的在外面；外面的穿；戴重要的带来；取来安静的Words Reviewrule规则；规章1.在课堂上2.准时3.在餐厅 4.与某人打架 5.许多规则6.把.带到.7.不得不安静 8. 上课迟到9.在走廊里10.听音乐11.戴帽子12.因而迟到13.穿校服14.看朋友15.洗盘子16.练习吉他in classbe on time in the dining hall fight with a lot of rulesbring sth to have to be quiet arrive late

4、 for classin the hallways listen to music wear a hat be late for wear school uniformssee friends do the dishes practice the guitar 1.在课堂上in class1. Dont arrive late for class. You must be on time. 2. Dont run in the hallways.3. Dont eat in the classroom. You must eat in the dining hall.4. Dont liste

5、n to music in class.5. Dont fight.SCHOOL RULES1. Dont arrive late for classJohn: Hi, my names John. Its my first day at school. Alice: Hi, John. Im Alice. This is a great school, but there are a lot of rules.John: Really? What are some of the rules?Alice: Well, dont be late for class. This is very i

6、mportant.John: OK, so we must be on time. Can we bring music players to school?Alice: No, we cant. And we always have to wear the school uniform.John: I see.Alice: Oh, and we also have to be quiet in the library. 2d我的第一天很多规定迟到准时学校制服John: Hi, my names John. Itswear穿着侧重于穿戴的状态The girl wears a red coat

7、today.put on穿上侧重于穿戴的动作Put on your coat. It is cold outside.dress给穿衣服指给自己或者他人穿衣服The boy is too young to dress himself.wear此处用作及物动词，意为“穿、戴”，表示穿着的状态，宾语可以是衣帽或者饰品。 She likes wearing a red coat. The young lady wears a pair of sunglasses.【拓展】辨析wear, put on和dress用wear，put on 或 dress 填空 1. He _his coat and g

8、oes out. 2. She _a red skirt today. 3. The little child can_ himself nowputs onwearsdresswear穿着侧重于穿戴的状态The girl wears a状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状

9、元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状

10、元成才路状元成才路状元成才路状元成才路祈使句的用法1.祈使句的概念 (1)祈使句是指用来表示请求、命令、叮嘱、 建议等的 句子。祈使句没有主语，谓语动词用原形，句末使用感叹号或者句号。例：站起来！ 一定要准时。（命令）(叮嘱)Stand up! Be sure to be on time.(2)如果祈使句表示客气地请求，一般要加上please。 please可以放在句子前面也可以放在句子的后面。例: 请跟我读。 Please read after me.= Read after me, please.（请求）状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路2.祈使句的用法主语是yo

11、u常省去，动词原形开头记。否定形式要注意，句首要把dont加。要讲客气用please， 句首、句末没关系。2.祈使句的用法主语是you常省去，动词原形开头记。3.祈使句的形式(1)let开头的祈使句的肯定句：Let + sb.+ v.（原形）例: 让我们帮助你。Let us help you.否定为：Dont + let + 第三人称代词+v.（原形）例: 不要让他们进来。 Dont let them come in.3.祈使句的形式(1)let开头的祈使句的肯定句：Let +(2)非let开头的祈使句的肯定句和否定句：肯定句Do 型v.原形（+宾语）+其他成份.例：Listen to me,

12、 please. 请听我说。Be 型Be+表语(名词或形容词）+其他成份.例：Be quiet, please. 请安静。(2)非let开头的祈使句的肯定句和否定句：肯定句Do 型vDont +行为动词 +其他.例: Dont play computer games. Dont + be +其他.不要玩电脑游戏。否定句例: Dont be late again. 不要再迟到。No + n./v.-ing.例: No photos. No swimming.不许拍照。不许游泳。Dont +行为动词 +其他.例: Dont play 1.情态动词have to和must都表示“_”的意思。have

13、 to 表示从_条件上来看必须做某事；must表示说话人_必须要做某事。如： There is no bus, you have to walk home. (没有公交车是客观条件)没有公共汽车，你必须走回家。I must study English well. (想学好英语是一种主观想法)我必须要学好英语。必须客观主观上情态动词must与have to1.情态动词have to和must都表示“_have to有_、_和_的变化，而must 只有一种形式。如： He has to stay at home, its raining. 他必须待在家中，下雨了。3.在否定结构中dont have

14、 to表示“_”， 而mustnt表示“_”。如： You dont have to wait for him. 你没必要等他。 You mustnt play with fire. Its dangerous. 你禁止玩火。那很危险。人称 数 时态不必要；没必要禁止have to有_、_和【练习吧】( )1. Can I go to the park, Mum? Certainly.But you _be back before six oclock. A. can B. may C. might D. must( )2. You _ stop when the traffic light

15、turns red. A. can B. have to C. need D. had better( )3. _ come late to school tomorrow! A. Do B. Does C. Be D. DontDBD【练习吧】DBDExercise 一.单项选择 1. _ with fire. Its very dangerous. A. Playing B. Play C. Dont play D. Doesnt play2.The children _ play football on the road. A. can B. must C. mustnt D. mayE

16、xercise 一.单项选择3.My sister _ be at school by seven oclock.A. has to B. have to C. had to D. must to 4. Its raining all day, so my brother _ stay at home.A. must B. have toC. must to D. has to 3.My sister _ be at schoo5. Its very warm outside. You _ wear the coat. A. have to B. hadnt to C. dont have t

17、o D. mustnt6.Mary, _ in bed. A. not read B. dont read C. no reading D. doesnt read 5. Its very warm outside. You状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成

18、才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成

19、才路状元成才路状元成才路Exercise 把下列祈使句改成否定形式。1. Be on time. 2. Eat in the hall. _ _3. Talk loudly. _Dont be on time.Dont eat in the hall.Dont talk loudly.状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路状元成才路