1、 Unit 13 Safety RulesSafety Rules Part III Language In Use Part III Language In UseRevision Revision Grammar FocusGrammar Focus I I Practice IGrammar Focus II and Practice IIGrammar Focus III and Practice IIISummary and ExercisesHomeworkvFor students who come to school on foot,they can_ when the lig
2、ht is green.They must _ before they cross the road.vFor students who come to school by bike,they must _.They should _ across the crosswalks and in school.cross the roadlook both right and leftstop for the red lightwalk the bikeBasic traffic rulersvFor students who come to school by bus,they must _,_
3、 and _.They mustnt _ at the bus stop.When the bus arrives,they must _first and _.They must _ to get on the bus.On the bus,they must _ and mustnt _.arrive on time wait quietly stay away from the road wayfight check traffic wait for the drivers signal form a signal linestay in the seatput any part of
4、the body outside the window You must obey the traffic rules.You must stop for the red light.You mustnt put your head out of the bus windows.You mustnt play football on the roadway.Grammar Focus I Read and understandWrite down what these signs mean.You mustnt stop here.You mustnt swim here.You mustnt
5、 smoke here.You mustnt turn left.You must stop here.You must drive at 40 kilometers.Look and use must or musnt make e home after school,play computer games outsideYou must _.You mustnt _.come home after schoolplay computer games outside stay away,play with knifeYou must _.You mustnt _.stay away from
6、 knivesplay with knife be careful,open the doorYou must _.You mustnt _.be careful a strangeropen the door for a strangerYou must _.You mustnt _.stay away from the tigers give food to the tigers near the cage 要求某人做某事时要求某人做某事时,可以用可以用You must do sth.或或Remember to do sth.例如例如:你必须遵守交通规则。你必须遵守交通规则。记住在人行道上
7、骑单脚滑行车。记住在人行道上骑单脚滑行车。qYou must obey the traffic rules.You must obey the traffic rules.qRemember to ride your scooter on the sidewalk.Remember to ride your scooter on the sidewalk.Grammar Focus II You must stay away from scissors.Or Remember to stay away from scissors.keep不允许某人做某事时不允许某人做某事时,可以说可以说You
8、 cant do sth.或或 Dont do sth.。语气在强一点可以用。语气在强一点可以用 Never do sth.或者或者You mustnt do sth.例如例如:你千万不要在河里游泳。你千万不要在河里游泳。禁止在此处吸烟。禁止在此处吸烟。千万不要在迟到了。千万不要在迟到了。千万不要把头、胳膊或叫伸出车窗外。千万不要把头、胳膊或叫伸出车窗外。qYou mustnt swim in the river.You mustnt swim in the river.qYou mustnt smoke here.You mustnt smoke here.qNever be late ag
9、ain.Never be late again.q Never put your head,arms,or feet out of the bus windows.Never put your head,arms,or feet out of the bus windows.Grammar Focus III You mustnt go near the open windows.Or Never go near the open windows.touch sth.Summary and Exercises1.情态动词情态动词may表示表示“可以可以”,含有含有may的一般疑问句表的一般疑问
10、句表示示 请求、许可时，它的否定句回答请求、许可时，它的否定句回答不能用不能用may not，而是而是cant 或或mustnt。我可以用你的电脑吗？我可以用你的电脑吗？可以。可以。不，不能用不，不能用。qMay I use your computerMay I use your computer？qYes,you may.Yes,you may.qNo,you cant./No,you mustnt.No,you cant./No,you mustnt.2.情态动词情态动词must表示表示“应该应该”“”“必须必须”。否定形式。否定形式 must not（mustnt),表示表示“不应该不应
11、该”“”“不允不允许许”“”“不准不准”等。本单元等。本单元mustnt的主要用法是表示的主要用法是表示禁止和警告。在回答禁止和警告。在回答must的问句时，肯定回答是的问句时，肯定回答是Yes,you must.否定回答是否定回答是 No,you need not(neednt).表示表示“不必不必”,而不用而不用mustnt。我现在必须走吗？我现在必须走吗？是的是的,你必须走。你必须走。不，你不必走。不，你不必走。qMust I go nowMust I go now？qYes,you must.Yes,you must.qNo,you neednt.No,you neednt.1.Can
12、 I give food to the tigers?2.Must I obey the traffic rules?3.May we go boating in the lake?4.Must we come back in the afternoon?A.No,you neednt.But you must return before 7.B.Yes,you must,or it will be dangerous.C.Im afraid you cant.You mustnt go near these animals.D.Yes,you may.But you must wear th
13、e life jackets.()()()()CBDAMatch the questions with the answers:HomeworkWrite a short paragraph on home safety,using must,remember to or never in your paragraph.Today,we will talk about childrens safety at home.When you are at home alone,you should be careful.You must_.You mustnt_.Remember to _.Never_.
