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1、英语新课标（RJ）英语新课标（RJ）Unit 4 语法探究语法探究语法探究.祈使句祈使句 祈使句指的是表示命令、请求、建议或劝告的句子。其主语祈使句指的是表示命令、请求、建议或劝告的句子。其主语 you you常省略，谓语动词用原形，句末用感叹号或句号，读降常省略，谓语动词用原形，句末用感叹号或句号，读降 调。调。 1. 1.肯定的祈使句肯定的祈使句 (1) (1)动词原形其他动词原形其他 如：如： Stand up, please. Stand up, please. Please stand up. Please stand up. 请起立。请起立。 (2)Be (2)Be 形容词形容词
2、如：如：Be careful! Be careful! 小心！小心！/ /当心！当心！ (3)Lets (3)Lets 动词原形动词原形 如：如： Lets go to school together. Lets go to school together. 咱们一起上学去吧。咱们一起上学去吧。英语新课标（RJ）Unit 4 语法探究语法探究2.2.否定的祈使句否定的祈使句 (1) Dont (1) Dont动词原形动词原形 如：如：Dont close the window.Dont close the window.别关窗。别关窗。 (2) Lets (Let (2) Lets (Let
3、sbsb) ) not not 动词原形动词原形 如：如： Let them not play with fire. Let them not play with fire. 别让他们玩火。别让他们玩火。 (3) (3)有些可用有些可用nono开头，用来表示禁止性的祈使句。如：开头，用来表示禁止性的祈使句。如：No No fishing! fishing! 禁止钓鱼！禁止钓鱼！ .情态动词情态动词have to have to 和和must must 1. 1.情态动词情态动词have tohave to和和mustmust都表示都表示“_”。have to have to 表表 示从示从_条
4、件上来看必须做某事；条件上来看必须做某事；mustmust表示说话人表示说话人 _ _ 必须要做某事。如：必须要做某事。如：There is no bus, you have There is no bus, you have to walk home.( to walk home.(没有公交车是客观条件没有公交车是客观条件) ) 没有公交车了，你必须走回家。没有公交车了，你必须走回家。必须必须主观上主观上客观客观Unit 4 语法探究语法探究英语新课标（RJ） I must study English well. ( I must study English well. (想学好英语是一种主
5、观想法想学好英语是一种主观想法) ) 我必须要学好英语。我必须要学好英语。2.have to2.have to有有_、_和和_的变化，而的变化，而mustmust只有一种只有一种 形式。如：形式。如： Its raining. He has to stay at home. Its raining. He has to stay at home. 下雨了。他必须待在家中。下雨了。他必须待在家中。3.3.在否定结构中在否定结构中dondont have tot have to表示表示“_”，而，而mustnmustnt t表表 示示“_”。如：。如： You dont have to wait
6、for him. You dont have to wait for him. 你没必要等他。你没必要等他。 You mustnt play with fire. Its dangerous.You mustnt play with fire. Its dangerous. 你禁止玩火。那很危险。你禁止玩火。那很危险。人称人称数数时态时态没必要没必要禁止禁止Unit 4 语法探究语法探究英语新课标（RJ）【练习吧练习吧】( )1.( )1.Can I go to the park, Mom? Can I go to the park, Mom? Certainly.ButCertainly.B
7、ut you _be back before six oclock. you _be back before six oclock. A. can B. may C. might D. must A. can B. may C. might D. must( )2. You _ stop when the traffic light turns red.( )2. You _ stop when the traffic light turns red. A. can B. have to C. need D. had better A. can B. have to C. need D. ha
8、d better( )3. _ come late to school tomorrow!( )3. _ come late to school tomorrow! A. Do B. Does C. Be D. Dont A. Do B. Does C. Be D. Dont( )4. ( )4. 下面哪句话是祈使句？下面哪句话是祈使句？ A. Hi, there. B. Here you are. A. Hi, there. B. Here you are. C. Be quick. D. She is Mary. C. Be quick. D. She is Mary.DBDC英语新课标（
9、RJ）能力提升训练Unit 4 能力提升训练能力提升训练. . 完形填空完形填空 Traffic rules are also called Road Safety rules. Traffic rules are also called Road Safety rules. They are made to keep order on the They are made to keep order on the road.Theyroad.They also help also help to keep people to keep people _1_1_._. The pedestria
10、n( The pedestrian(行人行人) has as many rules to ) has as many rules to _2_2_ as _ as the driver of a the driver of a car.Youcar.You should walk at the sidewalk or should walk at the sidewalk or at the side of the at the side of the road.Alwaysroad.Always look carefully look carefully _3_3_ you _ you wa
11、lk across the walk across the street.Ifstreet.If you like riding a bike, dont you like riding a bike, dont ride in the middle of the road or run throughride in the middle of the road or run through_4_4_ traffic traffic lights.Whenlights.When you ride a bike with a friend, dont you ride a bike with a
12、 friend, dont look around or talk.look around or talk.英语新课标（RJ）Unit 4 能力提升训练能力提升训练 If you drive, you should slow down _ If you drive, you should slow down _5 5_ the _ the traffic traffic lights.Youlights.You must always _ must always _6 6_ a seat belt (_ a seat belt (安全安全带带) )Without Without belts b
13、elts both both the_the_7 7_ _ and and the the passengers(passengers(乘乘客客) ) may be badly hurt in a sudden may be badly hurt in a sudden accident.Someoneaccident.Someone may be may be thrown out through the window.thrown out through the window. You may not need to drive a bus, _ You may not need to d
14、rive a bus, _8 8_ take care(_ take care(小小心心) if you have to travel in ) if you have to travel in one.Getone.Get on or get off a bus on or get off a bus only when it has come to a _only when it has come to a _9 9_.When it is full, dont _.When it is full, dont try to get inside _try to get inside _10
15、10_ you may fall over._ you may fall over.( )1.A.healthy( )1.A.healthyB Bsafe(safe(安全安全) ) C Chappy Dhappy Dcareful careful B英语新课标（RJ）Unit 4 能力提升训练能力提升训练( )2.A.follow B( )2.A.follow BMake CMake Cbreak Dbreak Dpass pass ( )3.A.behind B( )3.A.behind Bbefore Cbefore Cafter Dafter Dbetween between ( )4.
16、A.yellow B( )4.A.yellow BGreen CGreen Cblue Dblue Dred red ( )5.A.in B( )5.A.in BOn COn Cat Dat Dto to ( )6.A.take B( )6.A.take BWear CWear Ccarry Dcarry Dbring bring ( )7.A.driver B( )7.A.driver BWorker Worker C Cwriter writer D Dteacher teacher ( )8.A.or B( )8.A.or BBut CBut Cand Dand Dso so ( )9.
17、A.sign B( )9.A.sign Bstop stop C Ccorner corner D Dcrossing crossing ( )10.A.and B( )10.A.and BSo CSo Cor Dor Dbut but ABDCBABBC英语新课标（RJ）Unit 4 能力提升训练能力提升训练.阅读理解阅读理解 A Notice in the Lab( A Notice in the Lab(实验室实验室) )A ACome to the lab at 9Come to the lab at 9：00 a00 am. Dont arrive late for m. Dont
18、arrive late for class. class.B BYou cant fight in the lab.You cant fight in the lab.C CWhen you come into the lab, listen to your teacher When you come into the lab, listen to your teacher carefully( carefully(仔细地仔细地). Do what he tells you to do.). Do what he tells you to do.D DAfter the experiment(
19、After the experiment(实验实验), you must put everything ), you must put everything back, and wash your hands with soap. back, and wash your hands with soap.E. When you leave(E. When you leave(离开离开), you must turn off(), you must turn off(关关) the ) the lights( lights(灯灯), close(), close(关关) the windows,
20、and lock() the windows, and lock(锁锁) the ) the door. door. The Lab The Lab， Mar. 26, 2014 Mar. 26, 2014英语新课标（RJ）Unit 4 能力提升训练能力提升训练根据短文内容，判断正根据短文内容，判断正(T)(T)误误(F)(F)。( )1.You must arrive late at the lab.( )1.You must arrive late at the lab.( )2.You can fight in the lab.( )2.You can fight in the lab.
21、( )3.You must listen to your teacher carefully.( )3.You must listen to your teacher carefully.( )4.You cant use the soap to wash your hands.( )4.You cant use the soap to wash your hands.( )5.You must turn off the lights when you leave.( )5.You must turn off the lights when you leave.FFTFT英语新课标（RJ）Un
22、it 4 易错点针对训练易错点针对训练.用用wearwear，put on put on 或或 dress dress 填空填空 1. He _ his coat and goes out. 1. He _ his coat and goes out. 2. She is_ a red skirt today. 2. She is_ a red skirt today. 3. The little child can _ himself now. 3. The little child can _ himself now. .用用too many, too much too many, too
23、 much 或或 much too much too 填空填空 1. There are _ people and _ 1. There are _ people and _ traffic in the street. Its _crowded. traffic in the street. Its _crowded. 2. Watching TV _ is bad for our health. 2. Watching TV _ is bad for our health. puts onwearingdresstoo manytoo muchmuch tootoo much易错点针对训练
24、英语新课标（RJ）Unit 4 易错点针对训练易错点针对训练.用用 too, also too, also 或或 either either 填空填空 1. He speaks English. He can _ speak 1. He speaks English. He can _ speak Chinese. Chinese. 2. I like Mount Tai. He likes it, _. 2. I like Mount Tai. He likes it, _. 3. She isnt late. I am not late, _. 3. She isnt late. I am not late, _. .用适当的介词填空用适当的介词填空 1. Our boss is very strict _ the quality of our 1. Our boss is very strict _ the quality of our products. products. 2. The boss is strict _the workers. They 2. The boss is strict _the workers. They cant go out at work. cant go out at work. inwitheitheralsotoo
