北师大版八年级下Unit 8 Transportation 课件

Unit8Transportation 一 本周教学重点 1 must mustn t haveto don thaveto的用法 2 祈使句表示禁止 3 重点词组的学习 二 具体内容 一 1 must haveto表示某事必须做 两者表达意思一样 e g Youhavetorideontheright Youmustrideontheright 2 但在问句中 haveto更常见 e g Doyouhavetodriveontherightsideoftheroad 3 mustn t表示做某事是错误的或违法的 没有选择的余地 意为 禁止 而don thaveto表达做某事不是必须的 我们可以选择 意为 不必 e g Youmustn tparkinspacesfordisabledpeople Youdon thavetohaveadriver slicensetorideabicycle Readthefollowingsentences Youmustn trideonthesidewalk Youhavetoknowhowtostopsafely Youmustalwaysremembertolockyourbike Youhavetowearlight coloredclothes Youmustgivewaytopedestrians Youhavetohavelightsonyourbike Youmustn tgiveridestootherpeople Youmustcheckthebrakesandthetires Youhavetoobeyalltrafficsignsandrules Youmustn tdotricksonyourbike Youmustwearahelmet 二 祈使句表示禁止 省略主语 以动词原形开始的句子叫祈使句 e g Givemeahand please Don topenthedoor Readandcompletetheleafletwiththeheadingsfromthebox A RulesformotorcyclistsB RulesforcyclistC RulesforpedestriansD Rulesfordrivers 课堂练习 I 用must mustn t填空 1 You checkthatyourbikeisingoodcondition 2 You rideonthesidewalk 3 You obeytrafficsigns 4 You giveridestootherpeople It sdangerous 5 You toknowhowtostopsafely 6 You givewaytopedestrians II 完成句子 1 开车时不要打电话 Don t whileyouaredriving 2 我们周日不必去上学 We gotoschoolonSundays 3 你不必打车去 You takeataxi 4 红灯亮时 你必须停车 Whenthetrafficlights you yourcar 5 在环路上开车时 不必等交通灯 Whenyoudrivealongthering roads you waitforthetrafficlights 6 不要在街上踢球 很危险 You inthestreet I