九年级英语keeping safe教案2

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1、Unit8KeepingSafe一.教学内容：Unit8KeepingSafe 二、教学重点：1、must，mustn’t和haveto的使用2、重点词组 三、具体内容：（一）语法要点：haveto和must的区别haveto的用法haveto常表示因客观需要（由于外界因素的限制被迫）必须做某事，有“必须，不得不”的意思.1.haveto有时态，人称和数的变化.Maryhadtogotoschoolwithherteacheryesterday.2.haveto的否定形式是don’thaveto，译为“不必”.Youdon’thavetogoshoppingnow.must的

2、用法情态动词must是表示人的主观看法.有“必须，应当”的意思.1.must没有时态，人称和数的变化.2.must的否定形式是mustnot，表示“不可，不许”的意思.Youmustn’twasteyourtime.3.must还可表示说话人对事物的肯定推断，含有“一定，准是”的意思.Mr.Yinmustbeoverfortynow.Ex.Completetheruleswiththecorrectformsoftheverbsfromthebox。LeeJuniorHighSchoolSafetyRulesAllstudentsinthisjuniorhighschoolm

3、ustfollowthesafetyrules:ridekeepbringknowleaveusereporttalkallow●Allstudentsmustwalkontheright-handsideofthehall.●Studentsshouldnotsitonthestairsorblockthehallways.●Everyclassmusthaveatleastonefirstaidkit.Studentsarenot_________toplaywiththethingsinsideit.●Studentsshouldnotbringfireworks,ci

4、garettes,wine,ordrugstoschool.●Studentsmustnot________theschoolduringschoolhourswithoutreportingtotheteacher.●Sharpobjects–thingslikeknives,scissors,ordangerousweaponsshouldnot______________toschool.●WhenstudentsarehavingPEclass,theyshouldnot_______pens,pencils,orkeysintheirpockets.●Emergen

5、cyrulesmust__________toallstudents.●Allinjuriesshould_____________toteachers.●Studentsarenotallowed_______theirbikesontheschoolground.●Roller-skatesandskateboardscannot_________onschoolgroundatanytime.●Studentsshouldnot____withstrangersaroundtheschoolground. （二）语言点：1.ontheright-handsideof在（

6、靠）……右手边InChina,carsmustbedrivenontheright-handsideoftheroad.在中国，汽车必须靠右行驶.2.playwith玩，玩耍Childrenshouldn’tplaywithknives.小孩子不应该玩刀.3.asquicklyas尽快Telephonethepoliceasquicklyaspossiblewhenyouseeatrafficaccident.遇到交通事故时，要尽快给警察打电话.4.not…until直到……才Wedidn’tgotosleepuntilmothercamebacklastnight.昨晚，我

7、们直到妈妈回来才去睡觉.5.aswellas也，又Workersaswellasfarmersareworkinghardforthecountry.工人和农民都在为国家辛勤工作.6.takeabath洗澡Itakeabatheveryday.我每天都洗澡.7.belikelyto可能Thetrainislikelytobelate.这趟火车很可能晚点.8.hitsomeone(in,on…)打在某人……Hehitmeinthestomach.他一拳打在我的肚子上.Shouldwehittheperso