九年级英语全册 Unit 8 It must belong to Carla Section A（Grammar Focus4c）教学课件 （新版）人教新目标版.ppt

unit8itmustbelongtocarla sectionagrammarfocus 4c itcouldbe italsomightbe canyouguesswhatitis threebirds abeautifulface 课前预习 canyouguesswhatitis itcouldbe italsomightbe awhitevase twofaces 课前预习 itcouldbe italsomightbe canyouguesswhatitis adog twogirls 课前预习 couldabebiggerthanb infact aandbmustbe whichoneisbigger aorb a b thesamesize no 课前预习 grammarfocus grammar use must toshowthatyouthinksomethingisprobablytrue use might or could toshowthatyouthinksomethingispossiblytrue use can t toshowthatyouarealmostsuresomethingisnottrue grammarfocus 表示推测的情态动词有must may could might can 1 must表示说话人对事物的推测可能性的程度非常大 意为 一定 准是 表示有把握的否定推测时用can t 意为 不可能 如 1 ican tfindmykeys imusthaveleftthemathome 2 isshemary thatcan tbeher she sinhospital grammarfocus 2 can表示 可能 常用于否定句 疑问句中 could为can的过去式 表示推测的语气较can弱 如 canthemantherebeourmathteacher hemaybe butiamnotsure grammarfocus 3 may意为 也许 might为may的过去式 表示说话人对现在或将来不太确定的可能性的推测 如 limingmightgethereintime butiamnotsure grammarfocus 1 who ssinginginthenextroom it beher shehasgonetonewyork a can tb mustc shouldn td can 解析 考查情态动词表推测 表示否定推测时 用can t 意为 一定不 must表示推测时 意为 一定 用于肯定句 根据答语 她已经去了纽约 可知是否定推测 故选a 例题解析 a 2 whoset shirtisthis it bejohn s it s smallforhim a can t muchtoob can t toomuchc mustn t muchtood mustn t toomuch 解析 情态动词的用法 根据句意 它不可能是约翰的 对他来说太小了 故排除c d toomuch为 太多 的意思 muchtoo为 太 故选a 例题解析 3 whereareyougoingthismonth we gotoxiamen butwe renotsure a needn tb mustc mightd mustn t 解析 needn t 不必 表建议 must 一定 表猜测的可能性很大 might 可能 也许 表不是很肯定的猜测 mustn t 不允许 表命令 句意 这个月你们将去哪 我们或许去厦门 但还不确定 c 例题解析 4 haveyoudecidedwheretogoforyoursummervacation notyet we gotoqingdao it sagoodplaceforvacation a mayb needc must 解析 句意 你已经决定到哪里过暑假了吗 还没有呢 我们也许去青岛 那是个度假的好地方 情态动词表示推测时 may表 可能 must表 一定 can t表 不可能 a 例题解析 1 a where sjean b i mnotsure she is mightbe mustbe inthelaboratory 2 a everyoneisgoingtothepoolafterschool b really it mustbe can tbe couldbe hotoutdoors 4achoosethebestwaytocompleteeachsentenceusingthewordsinthebrackets mightbe mustbe practice 3 a that sthephone b hmm iwonderwhoit mustbe couldbe shouldbe 4 a iwonderifthesearejim sglasses b they can tbe mightbe couldbe his hedoesn twearglasses 5 a ihearwaterrunninginthebathroom b it couldbe mustbe can tbe carla shewasthinkingoftakingashower couldbe can tbe mustbe practice 4bcompletetheseresponses 1 a manypeoplearewearingcoats b theweathermustbe 2 a sallyhasbeencoughingalot b shemightbe a thisrestaurantisalwayscrowed b thefood a wheneveritrytoreadthisbook ifeelsleepy b itcan t beinteresting cold ill mustbedelicious practice 4clookatthispictureofaroom howmuchcanyoutellaboutthepersonwholiveshere isitaboyoragirl whatarehis herhobbies discussyouri