八年級英語上：Unit 13 Safety Rules Part 3課件北京課改版

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 light 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 _, _ 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 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 smoke here.You mustnt turn left. You must stop here. You must drive at 40 kilometers . Look and use must or musnt make sentences. come 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 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 要求某人做某事時(shí)要求某人做某事時(shí),可以用可以用You must do sth. 或或Remember to do sth. 例如例如: 你必須遵守交通規(guī)則。你必須遵守交通規(guī)則。記住在人行道上騎單腳滑行車。記住在人行道上騎單腳滑行車。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不允許某人做某事時(shí)不允許某人做某事時(shí),可以說可以說You cant do sth. 或或 Dont do sth. 。語氣在強(qiáng)一點(diǎn)可以用。語氣在強(qiáng)一點(diǎn)可以用 Never do sth.或者或者You mustnt do sth. 例如例如:你千萬不要在河里游泳。你千萬不要在河里游泳。禁止在此處吸煙。禁止在此處吸煙。 千萬不要在遲到了。千萬不要在遲到了。 千萬不要把頭、胳膊或叫伸出車窗外。千萬不要把頭、胳膊或叫伸出車窗外。qYou mustnt swim in the river.You mustnt swim in the river.qYou mustnt smoke here. You mustnt smoke here. qNever be late again. 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.情態(tài)動(dòng)詞情態(tài)動(dòng)詞may表示表示“可以可以”,含有含有may的一般疑問句表的一般疑問句表示示 請求、許可時(shí)，它的否定句回答請求、許可時(shí)，它的否定句回答不能用不能用may not， 而是而是cant 或或mustnt。我可以用你的電腦嗎？我可以用你的電腦嗎？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.情態(tài)動(dòng)詞情態(tài)動(dòng)詞must表示表示“應(yīng)該應(yīng)該”“”“必須必須”。否定形式。否定形式 must not（mustnt),表示表示“不應(yīng)該不應(yīng)該”“”“不允不允許許”“”“不準(zhǔn)不準(zhǔn)”等。本單元等。本單元mustnt的主要用法是表的主要用法是表示禁止和警告。在回答示禁止和警告。在回答must的問句時(shí)，肯定回答是的問句時(shí)，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。我現(xiàn)在必須走嗎？我現(xiàn)在必須走嗎？是的是的,你必須走。你必須走。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 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 the 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_.