原九年级英语全册 Unit 13 Were trying to save the earth（第3课时）Section A（Grammar Focus4c）同步语法精讲精练课件 （新版）人教新目标版.ppt

第三课时sectiona grammarfocus 4c 单元同步语法精讲精练 unit13we retryingtosavetheearth 六大常考时态的主动语态构成 六大常考时态的被动语态构成 含情态动词的被动语态谓语构成为 情态动词 be 动词过去分词 注意问题 主动语态中有些动词 如 make see listen watch feel后常跟不带to的动词不定式作宾语补足语 变为被动语态要带上to 如 hemadetheboyworkforhim theboywasmadetoworkforhim 那个男孩被迫为他工作 动词短语变为被动语态时 动词短语后面的介词或副词不能省略 如 thebabywaslookedafterbyhersister 这婴儿由她的姐姐照顾 may might 用来征求对方意见 意为 可以 口语性较强 might可以指过去时间 也可指现在时间 语气更委婉 表猜测和对可能性的判断 意为 可能 也许 might可以指过去时间 也可指现在时间 但语气更加不肯定 must 表说话人的主观意愿 意为 必须 应该 无时态变化 其否定答语常用needn t或don thaveto 意为 不必 注 haveto意为 不得不 必须 主要强调受到外界客观因素的迫使 它可用于多种时态 且有人称和数的变化 must本身的否定形式mustn t意为 不许 一定不要 表示禁止和告诫 表示对事物的推测 意为 想必 一定 只用于肯定句 且比may的语气要肯定得多 would作情态动词时 无人称限制 表意愿 常与like love连用 should 表义务 意为 应该 某件事宜于做 用于各种人称 表推测 意为 想必一定 照说应该 估计 等 一 根据句意 用括号中所给单词的适当形式填空 1 mary criticize byherteacheryesterday 2 theskyis cover withgreyclouds 3 itissaidthatanewspacestation build onthemoon howamazing butitmaytakealongtime iguess 4 missbrown we finish cleaningourclassroom canwegohomenow 5 we reproudthatthechina become strongerandstrongertheseyears wascriticized covered willbebuilt havefinished isbecoming 6 i shop withmyparentswhenherangmeupyesterdayafternoon 7 stopsmoking joe you kill yourselfifyoukeepondoingitlikethat 8 we tell tosetoutatonce orwewillmissthetrain 9 youused go toschoolbybike didn tyou 10 asmiddleschoolstudents weshouldn t be afraidofdifficultiesifwewanttomakeourdreamscometrue wasshopping may willkill aretold togo be 二 单项选择 11 whoisthatlady she smissgreen sheusmusic andsheissogood 2016 武汉 a taughtb teachesc willteachd isteaching12 lastweekvivianadressforhermotherwithherfirst monthsalary 2016 上海 a buyb boughtc willbuyd wouldbuy13 whenthebabydog itwasveryhungry sowegaveitsomefood 2016 安徽 a isfoundb wasfoundc hasbeenfoundd willbefound b b b 14 ithinkitistruethatjilltoworktodaybecausesheisonatrip 2016 沈阳 a hascomeb didn tcomec iscomingd willnotcome15 pleasedon tmakesomuchnoise thebabynow 2016 北京 a sleepsb sleptc willsleepd issleeping16 mayispeaktomrs black sorry mumcan tcometothephonenow sheashower 2016 江西 a hasb hadc ishavingd washaving d d c 17 grandpaglasseswhenhereads 2016 河北 a wearsb worec haswornd waswearing18 mysisterwithmyparentsdumplingswhenigothomeyesterdayevening 2016 兰州 a aremakingb ismakingc wasmakingd weremaking19 whatanicewatch howlongyouit forjusttwoweeks 2016 天津 a will buyb have hadc were havingd did buy a c b 20 ithehistorymuseumtwice i velearnedalotthere 2016 重庆 a visitb amvisitingc havevisitedd willvisit21 wearegoingtotakethehigh speedtraintoxi antomorrow soanearlyarrivalatthestation 2016 河南 a advisesb isadvisedc isadvisingd wasadvised22 footballtoourschoolsubjectslastyear 2016 陕西 a isaddedb addsc wasaddedd added c b c 23 manypeopleplaywithmobilephonesalldayinsteadofreadingbooks that stoobad everyonebeabooklover readingismoreenjoyable 2016 山西 a mayb shouldc would24 rockmusicsoundpopularwiththeyoung butit snotthefavoroftheagedpeople 2016 泰安 a mustb needc shouldd may25 afterdinner heusedtocomputergames butnowhegetsusedto 2016 齐齐哈尔 a play walkb playing walkingc play walking b d c 本课时其他知识点精讲精练 afford动词 意为 买得起 承担得起 后果 其后直接接名词 代词或动词不定式作宾语 常与情态动词can could或beableto连用 eg thepoorparentscan taffordtobuysomenewclothes 这对贫穷的父母买不起新衣服 重点词组归纳takepartin参加turnoff关掉payfor付费 付出代价takeaction采取行动 1 idon thaveenoughmoneyto 为 付费 thesebooks 2 besureto 关掉 thelightswhenyougoout 3 thegovernment 采取行动 tohelpthepeopleinthetrainaccident