（人教版）七年级英语下册Unit 4 Dont eat in class复习课件.ppt

1、英语新课标（RJ）,Unit 4Dont eat in class.,英语新课标（RJ）,Unit 4 语法探究,语法探究,.祈使句 祈使句指的是表示命令、请求、建议或劝告的句子。其主语 you常省略，谓语动词用原形，句末用感叹号或句号，读降 调。 1.肯定的祈使句 (1)动词原形其他 如： Stand up, please. Please stand up. 请起立。 (2)Be 形容词 如：Be careful! 小心！/当心！ (3)Lets 动词原形 如： Lets go to school together. 咱们一起上学去吧。,英语新课标（RJ）,Unit 4 语法探究,2.否定的

2、祈使句 (1) Dont动词原形 如：Dont close the window.别关窗。 (2) Lets (Let sb) not 动词原形 如： Let them not play with fire. 别让他们玩火。 (3)有些可用no开头，用来表示禁止性的祈使句。如：No fishing! 禁止钓鱼！ .情态动词have to 和must 1.情态动词have to和must都表示“_”。have 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

3、公交车了，你必须走回家。,必须,主观上,客观,Unit 4 语法探究,英语新课标（RJ）,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。 2.have to有_、_和_的变化，而must只有一种 形式。如： Its raining. He has to stay at home. 下雨了。他必须待在家中。 3.在否定结构中dont have 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 dange

4、rous. 你禁止玩火。那很危险。,人称,数,时态,没必要,禁止,Unit 4 语法探究,英语新课标（RJ）,【练习吧】 ( )1.Can I go to the park, Mom? Certainly.But you _be back before six oclock. A. can B. may C. might D. must ( )2. You _ stop when the traffic light turns red. A. can B. have to C. need D. had better ( )3. _ come late to school tomorrow! A

5、. Do B. Does C. Be D. Dont ( )4. 下面哪句话是祈使句？ A. Hi, there. B. Here you are. C. Be quick. D. She is Mary.,D,B,D,C,英语新课标（RJ）,能力提升训练,Unit 4 能力提升训练,. 完形填空 Traffic rules are also called Road Safety rules. They are made to keep order on the road.They also help to keep people _1_. The pedestrian(行人) has as

6、many rules to _2_ as the driver of a car.You should walk at the sidewalk or at the side of the road.Always look carefully _3_ you walk across the street.If you like riding a bike, dont ride in the middle of the road or run through_4_ traffic lights.When you ride a bike with a friend, dont look aroun

7、d or talk.,英语新课标（RJ）,Unit 4 能力提升训练,If you drive, you should slow down _5_ the traffic lights.You must always _6_ a seat belt (安全 带)Without belts both the_7_ and the passengers(乘客) may be badly hurt in a sudden accident.Someone may be thrown out through the window. You may not need to drive a bus, _8

8、_ take care(小 心) if you have to travel in one.Get on or get off a bus only when it has come to a _9_.When it is full, dont try to get inside _10_ you may fall over. ( )1.A.healthyBsafe(安全) Chappy Dcareful,B,英语新课标（RJ）,Unit 4 能力提升训练,( )2.A.follow BMake Cbreak Dpass ( )3.A.behind Bbefore Cafter Dbetwee

9、n ( )4.A.yellow BGreen Cblue Dred ( )5.A.in BOn Cat Dto ( )6.A.take BWear Ccarry Dbring ( )7.A.driver BWorker Cwriter Dteacher ( )8.A.or BBut Cand Dso ( )9.A.sign Bstop Ccorner Dcrossing ( )10.A.and BSo Cor Dbut,A,B,D,C,B,A,B,B,C,英语新课标（RJ）,Unit 4 能力提升训练,.阅读理解 A Notice in the Lab(实验室) ACome to the la

10、b at 9：00 am. Dont arrive late for class. BYou cant fight in the lab. CWhen you come into the lab, listen to your teacher carefully(仔细地). Do what he tells you to do. DAfter the experiment(实验), you must put everything back, and wash your hands with soap. E. When you leave(离开), you must turn off(关) th

11、e lights(灯), close(关) the windows, and lock(锁) the door. The Lab， Mar. 26, 2014,英语新课标（RJ）,Unit 4 能力提升训练,根据短文内容，判断正(T)误(F)。 ( )1.You must arrive late at the lab. ( )2.You can fight in the lab. ( )3.You must listen to your teacher carefully. ( )4.You cant use the soap to wash your hands. ( )5.You must

12、 turn off the lights when you leave.,F,F,T,F,T,英语新课标（RJ）,Unit 4 易错点针对训练,.用wear，put on 或 dress 填空 1. He _ his coat and goes out. 2. She is_ a red skirt today. 3. The little child can _ himself now. .用too many, too much 或 much too 填空 1. There are _ people and _ traffic in the street. Its _crowded. 2. Watching TV _ is bad for our health.,puts on,wearing,dress,too many,too much,much too,too much,易错点针对训练,英语新课标（RJ）,Unit 4 易错点针对训练,.用 too, also 或 either 填空 1. He speaks English. He can _ speak Chinese. 2. I like Mount Tai. He li