初中英语九年级全册Unit7Teenagerssh单元同步语法精讲精练课件 人教新目标版 13页

Unit7　Teenagersshouldbeallowedtochoosetheirownclothes.第三课时(GrammarFocus4c)—单元同步语法精讲精练\n\n►肯定句式：主语＋情态动词＋be＋及物动词的过去分词(＋by…)．eg：Teenagersshouldbeallowedtochoosetheirownclothes.青少年应该被允许选择他们自己的服装。►否定句式：主语＋情态动词＋not＋be＋及物动词的过去分词(＋by…)．►一般疑问句式：情态动词＋主语＋be＋及物动词的过去分词(＋by…)?含情态动词的被动语态\n肯定回答：“Yes，主语＋情态动词．”；否定回答：“No，主语＋情态动词＋not.”。【注意】含must的一般疑问句作否定回答时应用needn't；而含need的一般疑问句作肯定回答时应用must。eg：—Mustalltheroomsbetidiedup？所有的房间都必须整理好吗？—Yes，theymust.是的，必须整理好。(肯定回答)\n—No，theyneedn't.不，不必都整理好。(否定回答)—Needhebeoperatedonatonce？他需要立即手术吗？—Yes，hemust.是的，他必须。(肯定回答)—No，heneedn't.不，他不需要。(否定回答)►特殊疑问句式：①疑问副词/代词(不作主语)＋情态动词＋主语＋be＋及物动词的过去分词(＋by…)?②疑问代词(作主语)＋情态动词＋be＋及物动词的过去分词(＋by…)?eg：Whencanmycomputerberepaired？我的电脑什么时候能修好？\n【拓展】不能用被动语态的几种动词：①不及物动词不能用于被动语态。如：die，happen，takeplace等。②感官动词、半连系动词没有被动态。如：feel，become，get，look，seem等。③有些动词用主动形式表被动意义。eg：Thispenwriteswell.这支笔很好写。\n一、单项选择。1．(凉山中考)—Mom,canIdrivemyfather'scartothecinema?—Noway!Youshouldnot___todrive,youdon'thaveadriver'slicense.A．AllowB．allowedC.beallowedD.areallowed2．(岳阳中考)Teenagers____decideforthemselves.A．maybeallowedtoB．mayareallowedtoC．maybeallowtoCA\n3．(黄冈中考)—Tomisalwayscarelesswithhisschoolwork.Couldyouhelphim?—Noproblem!Ithinkhe____tothinktwicebeforestarting.A．shouldbetoldB．cantellC.shouldtellD.canbetelling4．(西宁中考)—Iwanttoborrowthebook,butIdon'tknowhowlongitmay____.—Fortwoweeks.A．borrowB.beborrowedC．keepD．bekeptAD\n5．(贵港中考)—Thechildren____tofollowtherulesfromayoungage.—Iagree.A．educatedB．educateC．shouldeducateD．shouldbeeducatedD\n二、按要求完成句子，每空一词。6．Nobodycananswerthequestion.(改为同义句)Thequestion__________________byanybody.7．Weshouldbrushourteethtwiceaday.(改为被动语态)Ourteethshould_____________twiceaday.8．Canyoutakecareofthechildren？(改为被动语态)______thechildren___________careof?can'tbeansweredbebrushedCanbetaken\n9．Theclassroommustbecleanedafter_school．(对画线部分提问)____________theclassroom____________?10．Wemustwashourhandsbeforemeals.(改为被动语态)Ourhands__________________beforemeals.Whenmustbecleanedmustbewashed\n本课时其他知识点精讲精练1．Mr.Jonesgotgreatsupportfromhis____________(社区)．2．Ihopetohavea_________(机会)toexplainittoyou.3．Iwillnotbeableto________(应付)thesituationwithoutyourhelp.4．Theoldinour_________(社会)needcareandprotection.communitychancemanagesociety\n5．Parentsshould_________(教育)theirchildrentobehavewell.6．你应当学着自己做决定。Youshouldlearnto________________________．7．请远离那台机器！Please___________________themachine!educatemakeyourowndecision(s)keepawayfrom