1、Rules and suggestionsModule 4Unit 3Language in use4hang the food in a treemove onby a streamtidy upreach outturn paleplay with sticks把食物挂在树上继续移动在小溪旁边收拾;整理伸出(脸色)变得苍白玩枝条Translate the phrases into English.Review What suggestions can you give to people when go walking in the mountains?Lead in 1.The visi
2、tors should wear a hat.2.Dont walk along the edge.3.Theyd better take some food and water.4.They should wear comfortable shoes.Lead in You must be careful of falling stones.You mustnt walk too close to the edge of the hill path because you might fall and hurt yourselves.You should always wear proper
3、 clothes.Bears might think our rubbish is food.Can we go rock climbing?No,you cant.Read and pay attention to the colored words.Presentation Complete the rules.Dont drink the water.Dont climb the ladder.No swimming.You mustnt turn left.Presentation 1.No parking.2.Dont play football.3.You mustnt stop
4、here.213Match the pictures and the rules.Lead in Be careful of children crossing the road.Its dangerous to stay out in the sunshine toolong without a hat.Smoking is not allowed inside the building.Never go mountain climbing in bad weather.Match the signs with the rules.Presentation 1.What does Zhang
5、 Wenpeng try to say with his drawing?2.What does Zhou Zhiyun try to say with his painting?Pollution is causing damage to the progress weve made.People mustnt waste electricity.Activity 6:Read the passage and answer the questions.Presentation 3.What does the school suggest the students should do?4.Ho
6、w can a school become a“green school”?Students should pass on what they have learnt at school to their parents and neighbours.A school can become a“green school”by including education about the environment in the timetable.Presentation Activity 7:Listen and complete the sentences.1.The first thing y
7、ou have to do is to carefully.2.Think about where and wetherthere are.3.You should only take makred.4.Make sure you know wherefor lunch.Presentation 5.Dont forget to tell people tofor the picnic.6.Dont walk when it isor in.7.You must not try out awith a group.Presentation Around the worldEcotourism(
8、生态旅游)Eco-tourism is also known as“responsible tourism”.It means you visit places without damaging the environment.Many countries around the world have started ecotourism holidays and trips.Presentation Tourists help the local communities look after their natural environment.Here are some rules of ec
9、otourism.Presentation Eco-tourismDoTake rubbish away with you.Walk on paths or roads.Take photos but nothing else.DontDont pick flowers or damage trees.Dont pollute rivers or streams.Dont make open fires in the forests.Presentation 情态动词本身有一定的词义,表示说话人的情绪、态度或语气,但它们不能单独作谓语,只能和行为动词原形一起作谓语,表示完整的意思。本单元我们主
10、要接触的情态动词有:情态动词Presentation 1.can(1)表示能力,意为“能,会”。Can you play tennis?(2)表示提建议或请求。Can you pass me that book?(3)表示“许可,可以”,常用于口语中。You can use my bike.否定式用cant.Presentation 提示:表示表示否定推测“一定不,不可能”,常用cant,。I saw him playing football just now.He cant be in the classroom.Presentation【2013江苏徐州】12.Can I borrow y
11、our ruler,please?Yes,you_.But you must return it to me before lunchtime.A.have B.can C.must D.used to【解析】考查情态动词。答句意为“是的，你可以，但你必须在午饭之前归还给我”,所以选择B。Presentation【2013湖南益阳】24.The man _be my English teacher.He has gone to Canada.A.might B.must C.cant【解析】考查情态动词的用法。must表肯定的推测，意为“一定”，可能性较大，might表示肯定推测，“可能”，可
12、能小较小，cant表示否定推测，意为“不可能”。根据句意：那个人不可能是我的英语老师，他去加拿大了。故选C。Presentation 2.must(1)表示“必须”,强调主观意愿或客观要求。I must go now.You must finish it on time.(2)表示肯定推测“一定”,一种可能性很大的推测,一般用于肯定句中。Theres someone knocking at the door.It must be Jim.Presentation(3)mustnt意为“不要”,表示禁止或不允许。You mustnt sit on the stairs.(4)以must开头的一般
13、疑问句,肯定回答用must,否定回答要用neednt。Must I return the book now?No,you neednt./Yes,you must.Presentation()1.Must I stay at home and take care of her？No,you _.A.mustnt B.neednt C.cant()2.Please dont throw paper about.We _ keep our environment clean.A.can B.must C.mayBBPracticePresentation 3.may和might表示允许或请求；表示
14、没有把握的推测；may 可放在句首，表示祝愿。He might be at home.May God bless you!注意：might 表示推测时，不表示时态。只是可能性比may 小。Presentation Peter _ come with us tonight,but he isnt very sure yet.A.must B.may C.can D.willPresentation 4.should表示“应该”，常用来表示劝告、建议,认为“某人应该做某事”或“有义务责任做某事”。We should obey traffic laws.You shouldnt have made
15、this kind of silly mistakes.这时它可以和 ought to,be supposed to 互换使用。Presentation 2)should(ought to)表示推测时，是指有一定根据的推测，意为“可能、该”。When can I come for the photos?I need them tomorrow.They should be ready by 12:00.Its nearly seven oclock.Jack should be here at any moment.Presentation _ I borrow your MP3?Sure.H
16、ere you are.A.May B.Should C.Must D.Would Is John coming by train?He _,but he may not.He likes driving his car.A.mustB.canC.needD.shouldPresentation PracticeWork in pairs and talk about possible rules for visitors to the forests,using must,mustnt,should,shouldnt.eg:Dont walk on the lawn(草坪).You shou
17、ld take care of the lawn.Presentation()1.May I go out now,Dad?No.You _ let your mother know first.A.can B.may C.need D.mustD中考链接【解析】考查情态动词词义。由答句中“不”，表示语气要求很坚决，应该是“必须”。Practice()23.Whos singing in the next room?It _ be her.She has gone to New York.A.cant B.must C.shouldnt D.can【解析】考查情态动词表推测。表示否定推测时，用
18、cant，意为“一定不”。must表示推测时，意为“一定”，用于肯定句；根据答语“她已经去了纽约”可知是否定推测，故选A。APractice()26._ we clean the classroom at once?No,you _.You _ clean it after school.A.Must;neednt;may B.Must;mustnt;can C.Shall;cant;must D.Need;mustnt;may【解析】情态动词的用法。根据前后句意可推断对方在询问“我必须马上打扫教室吗？”。而must引导的一般疑问句否定回答用neednt。故选A。APractice()4.Lo
19、ok at the sign!Oh,I see.We _ waste water.A.can B.must C.mustnt D.neednt【解析】情态动词的用法。根据标志可知为禁止浪费水的标志。表示禁止用must，因此选C。CPractice()20.Good morning.Ive got an appointment with Ms King in her office.Morning.You _be Mr.Jones.This way,please.A.will B.must C.can D.might【解析】情态动词的用法。will将要，表意愿；must 必须；应该，表猜测时，用于
20、肯定句，意为“一定”，可能性较大；can能，会，表猜测时，常用于否定句和疑问句；might 可能，表猜测时，可能小。依据句意“你一定是琼斯先生吧。”，故选B。BPractice()33.Whose backpack is this?It _ be Jims.Look,his students card is in it.A.must B.can C.mustnt D.cant【解析】情态动词表推测由“他的学生证在书包里面。”可知“这个书包一定是吉姆的。”APractice()7.You _ stop when the traffic light turns red.A.can B.had be
21、tter C.needD.must【解析】本题考查情态动词的辨析。句意为：当交通灯变红，你“必须”停下来。根据语境可知此空意为“必须”，四个选项中，只有must有此意，故选D。DPractice()8.Mum,must I stay there the whole day?No,you_.You _ come back after lunch,if you like.A.mustnt;can B.neednt;must C.neednt;may【解析】考查情态动词的用法。由must引导的一般疑问句表示否定回答时需要用neednt或dont have to；表示答应准许某人时情态动词可以用can
22、或may。故选C。CPractice()10.Can we run across the road now?No,we _.We have to wait until thelight turns green.A.needntB.mustntC.couldntD.shouldnt【解析】考查情态动词。句意：我们现在可以跑着过马路吗？不,不可以,我们必须等到绿灯亮。表示“禁止，不许可”时用cant 或mustnt，其中后者语气更强烈一些。BPractice()21.A country has dreams.We teenagers_ also have dreams.With dreams an
23、dhard work,anything amazing can be created.A.mayB.mustC.should【解析】考查情态动词。一个国家有梦想，我们青少年也有梦想，有梦想和努力工作，任何奇迹都能创造。may“可以”；must“必须”；should“应该”。根据题意选C。CPractice()37.Whos the man over there?Is it Mr.Black?It _ be him.Hes much taller.A.may not B.cant C.will not D.mustnt【解析】考查情态动用法。句意：那边那个人是谁？是布莱克先生吗？一定不是他，他高
24、多了。情态动词表推测：“一定”用must，“可能”用might、may、could；“一定不”用cant。故选B。BPractice()21.You mustnt go off on your own,because you _ get lost in the mountains.A.shouldB.mustC.needD.might【解析】考查情态动词的用法。根据句意“你不许一个人去，因为你可能在大山里迷路”，might 意为“可能”，表猜测。故选D。DPractice()Lets go climbing,shall we?You _ be joking!Dont you know Im afraid of high places?A.mayB.canC.mustD.should()The man is feeling much better now,so you _ call a doctor.A.needntB.cantC.mustntD.shouldntCAPractice