（人教版）七年級(jí)英語下冊Unit 4 Dont eat in class復(fù)習(xí)課件.ppt

1、英語新課標(biāo)（RJ）,Unit 4Dont eat in class.,英語新課標(biāo)（RJ）,Unit 4 語法探究,語法探究,.祈使句 祈使句指的是表示命令、請求、建議或勸告的句子。其主語 you常省略，謂語動(dòng)詞用原形，句末用感嘆號(hào)或句號(hào)，讀降 調(diào)。 1.肯定的祈使句 (1)動(dòng)詞原形其他 如： Stand up, please. Please stand up. 請起立。 (2)Be 形容詞 如：Be careful! 小心！/當(dāng)心！ (3)Lets 動(dòng)詞原形 如： Lets go to school together. 咱們一起上學(xué)去吧。,英語新課標(biāo)（RJ）,Unit 4 語法探究,2.否定的

2、祈使句 (1) Dont動(dòng)詞原形 如：Dont close the window.別關(guān)窗。 (2) Lets (Let sb) not 動(dòng)詞原形 如： Let them not play with fire. 別讓他們玩火。 (3)有些可用no開頭，用來表示禁止性的祈使句。如：No fishing! 禁止釣魚！ .情態(tài)動(dòng)詞have to 和must 1.情態(tài)動(dòng)詞have to和must都表示“_”。have to 表 示從_條件上來看必須做某事；must表示說話人 _ 必須要做某事。如：There is no bus, you have to walk home.(沒有公交車是客觀條件) 沒有

3、公交車了，你必須走回家。,必須,主觀上,客觀,Unit 4 語法探究,英語新課標(biāo)（RJ）,I must study English well. (想學(xué)好英語是一種主觀想法) 我必須要學(xué)好英語。 2.have to有_、_和_的變化，而must只有一種 形式。如： Its raining. He has to stay at home. 下雨了。他必須待在家中。 3.在否定結(jié)構(gòu)中dont have to表示“_”，而mustnt表 示“_”。如： You dont have to wait for him. 你沒必要等他。 You mustnt play with fire. Its dange

4、rous. 你禁止玩火。那很危險(xiǎn)。,人稱,數(shù),時(shí)態(tài),沒必要,禁止,Unit 4 語法探究,英語新課標(biāo)（RJ）,【練習(xí)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. 下面哪句話是祈使句？ A. Hi, there. B. Here you are. C. Be quick. D. She is Mary.,D,B,D,C,英語新課標(biāo)（RJ）,能力提升訓(xùn)練,Unit 4 能力提升訓(xùn)練,. 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.,英語新課標(biāo)（RJ）,Unit 4 能力提升訓(xùn)練,If you drive, you should slow down _5_ the traffic lights.You must always _6_ a seat belt (安全 帶)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,英語新課標(biāo)（RJ）,Unit 4 能力提升訓(xùn)練,( )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,英語新課標(biāo)（RJ）,Unit 4 能力提升訓(xùn)練,.閱讀理解 A Notice in the Lab(實(shí)驗(yàn)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(仔細(xì)地). Do what he tells you to do. DAfter the experiment(實(shí)驗(yàn)), you must put everything back, and wash your hands with soap. E. When you leave(離開), you must turn off(關(guān)) th

11、e lights(燈), close(關(guān)) the windows, and lock(鎖) the door. The Lab， Mar. 26, 2014,英語新課標(biāo)（RJ）,Unit 4 能力提升訓(xùn)練,根據(jù)短文內(nèi)容，判斷正(T)誤(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,英語新課標(biāo)（RJ）,Unit 4 易錯(cuò)點(diǎn)針對(duì)訓(xùn)練,.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,易錯(cuò)點(diǎn)針對(duì)訓(xùn)練,英語新課標(biāo)（RJ）,Unit 4 易錯(cuò)點(diǎn)針對(duì)訓(xùn)練,.用 too, also 或 either 填空 1. He speaks English. He can _ speak Chinese. 2. I like Mount Tai. He li