九年级英语全册 Unit 7 Teenagers should be allowed to choose their own clothes语法写作课件 （新版）人教新目标版(1).ppt

语法点集中攻坚 单元要点大本营 单元一法练写作 teenagersshouldbeallowedtochoosetheirownclothes unit7 含有情态动词的被动语态 英语中有两种语态 主动语态和被动语态 主动语态表示主语是动作的执行者 被动语态表示主语是动作的承受者 本单元重点讲解含有情态动词的被动语态 语法点集中攻坚 考点1 含有情态动词的被动语态的构成其结构为 情态动词 be动词 过去分词常考的情态动词有 can could may might must need should等 eg ironcanbeusedtomakeallkindsofusefultools 铁可以用来做各种各样有用的工具 asastudent yourhomeworkmustbefinishedbyyourself 作为一个学生 你的家庭作业必须由你自己完成 典例 teenagersshould totakecareofthemselvesfromayoungage 临沂 a educateb beeducatingc haveeducatedd beeducated 点拨 句中teenagers与educate之间为被动关系 情态动词should被动语态构成为 should be 过去分词 d 考点2 含有情态动词的被动语态的句子结构 注 表格中的 by 宾语 可省略 典例 点拨 句中exam与finish之间为被动关系 情态动词must被动语态构成为 must be 过去分词 hurryup theexammust in100minutes 株洲 a finishb befinishedc isfinished b 一 单项选择1 it sdifficulttogettotheothersideoftheriver ithinkabridge overtheriversothatpeoplecangettheothersideeasily a shouldbebuiltb shouldbuildc maybuildd maybebuilt a 点拨 句中本题考查被动语态 根据主语abridge与build之间存在被动关系可知用被动语态 情态动词的被动语态的结构为 情态动词 be 动词的过去分词 由语境可知选a 2 中考 咸宁 foodsafetyisveryimportant sosomerules tostoppeoplefrompollutingfood a mustmakeb mustbemadec mustmaded bemade3 中考 南京 we resurethattheenvironmentinourcity greatlythroughourworkinthenearfuture a improvedb wasimprovedc hasimprovedd willbeimproved b d 4 howoftendoineedtowatertheflowers they everyday ortheywillwither 枯萎 a mustwaterb mustn twaterc mustbewateredd mustn tbewatered c 点拨 句本题用语法判定法解题 根据句意可知应该用被动语态的肯定结构 其结构为 情态动词 be 过去分词 故选c 5 thankstotheinternet differentkindsofinformation inashorttime a canbelearnedb hasbeenlearnedc canlearnd haslearned a 点拨 句中本题考查被动语态的用法 information 信息 和learn 学习 之间是被动关系 答案c d是主动语态 先排除 根据句意应该用一般现在时 故选a 二 把下列句子改为被动语态6 weshouldhelpmarywithswimming mary withswimmingbyus 7 hishairistoolong heshouldhaveitcut hishairistoolong it 8 mymotheraskedmetodothehomeworkatonce i dothehomeworkatoncebymymother shouldbehelped shouldbecut wasaskedto 9 黔西南 don tputofftoday sworktotomorrow youmustdoyourhomeworktoday don tputofftoday sworktotomorrow yourhomeworkmust today 10 中考 乌鲁木齐 youshouldpayattentiontoyourpronunciationinlearningenglish attentionshould toyourpronunciationinlearningenglish bedone bepaid 返回 单元要点大本营 选词或短语填空jackisasixteen year oldboy hethinksheisoldenoughto 1himself he 2tomakehisown 3 buthisparentsare 4withhim theyalways 5hisschoolwork takegoodcareof needs decisions strict worryabout worryabout needs practicing decisions strict getinthewayof if what takegoodcareof it beallowedto andtheythinkheshouldn t 6havehobbies theythinkthosehobbiescan 7hisschoolwork theyalwaystellhimwhattodo 8isimportantforhimtoworkhard theyaren tsurewhatwillhappen 9heisn tsuccessfuloneday sojackhastostop 10thepiano watchinghisfavoritetvprogramsandplayinggameswithhisfriends now hehasgoodgrades butheistiredandunhappy 11apoorboy beallowedto getinthewayof it if practicing what worryabout needs practicing decisions strict getinthewayof if what takegoodcareof it beallowedto 返回 单元一法练写作 dearmszhang i mverygladtowritetoyou ihavealotoftroublethesedays forexample everydayihavealotofhomeworktodo idon thaveenoughtimetosleep inearlyhavenotimetodosports myfriendsandicanhardlyfindtimetotalkorplaytogether whenigetbackhomefromschool i mnotallowedtodomanythings suchaswatchingtv surfingtheinternetorlisteningtomyfavoritemusic idon tknowwhatishoulddo couldyoupleasegivemesomesuggestion