山东省潍坊高新技术产业开发区九年级英语上册 Module 2 Public holidays Unit 3 Language in use课件 （新版）外研版.ppt

module2publicholidaysunit3languageinuse impotantwordsandexpressions found sincethen off havefun band assoonas takeavacation following allkindsof1 foundeg theprcwasfoundedonoctober1st 1949 2 sincetheneg china thenationaldaysincethen 3 offhavetwodaysoff haveatwo daysoff 基数词到序数词的变化 一二三单独记 八去t 九除e ve要用f替 整十基变序 先把ty变成tie 要是遇到两位数 十位基数个位序 th最后加上去 解析口诀 one first two second three third这三个词变化特殊 要单独记 eight eighth nine ninth 八去t 九去e后再加 th five fifth twelve twelfth 五 十二把ve换成f再加 th twenty twentieth thirty thirtieth 整十先把词尾y改为ie再加 th 两位数时则十位数用基数词 个位数用序数词 如 twenty first reviewtheordinalnumbers 1stfirst2ndsecond3rdthird4thfourth5th 6thsixth7thseventh8th 9th 10thtenth11theleventh12th 13ththirteenth20th 21sttwenty first31stthirty first fifth eighth ninth twelfth twentieth saythedates thefirstofjanuary januarythefirst 2ndfebruary3rdmarch4thapril5thmay6thjune7thjuly8thaugust9thseptember10thoctober11thnovember12thdecember eg 1stjanuary 时间状语从句 在句中充当状语成分的句子while before when assoonas since after 一 时间状语从句的用法 1 时间状语从句常由when while till until before after since assoonas等引起 如 iwenttobedafterihadfinishedmyhomework 在 后 hehasworkedinthefactorysinceitopenedin1992 从 起 i llgivehimthebookassoonasiseehim 一 就 注意 1 when和while区别when后面的动词可以是延续性动词 也可以是非延续性动词 while意思是 当 的时候 由它引起的从句中必须用动词be 延续性动词或动词的进行时态 而不可用终止性动词 如 iwaswalkinginthestreetwhentheufolanded hecametoseemewhileiwashavingdinner while还可以表示两者同时进行 iwasdoingmyhomeworkwhilemyparentswerewatchingtv 2 until和till均可引起时间状语从句 表示 直到某时为止 当主句动词为延续性动词时常用肯定式 当主句动词为终止性动词时常用否定式 如 hekeptworkinguntil till itbegantorain hedidn tgotobeduntil till hefinishedhishomework 他直到做完作业才上床睡觉 区别 till和until用作连词或介词均可表示 直到 为止 但放在句首时一般不用till而用until 如 untilthen iknewnothingaboutit untilitbegantorain theykeptonworkinginthefield 巩固练习 1 hewassotiredthathefellasleep hewenttobed 1 a asifb eventhoughc eversinced assoonas2 johnfellasleep hewaslisteningtomusic 10 a afterb beforec whiled assoonas3 it slate imustgo it srainingoutside don tleave therainstops 14 a whenb sincec whiled until4 ileftmyumbrellainmyroom couldyouwait igobacktogetit 17 a whenb ifc sod since5 hewasridingtoschool hewashitbyacarthismorning 19 a whileb whenc asd so 6 iarrivedattheairport theplanehadtakenoff 20 a afterb whilec whend before7 iwascookinginthekitchen therewasaknockonthedoor 26 a whileb becausec untild when8 i untilhecameback 29 a didn twaitb waitedc won tleaved left9 dickclimbedupatree hesawabear 31 a whileb assoonasc untild if10 unclewanghasworkedinthisfactory itopenedin1989 38 a whenb beforec sinced assoonas compltethesentences while before when assoonas since after 1 ourfriendsarrived weallwenttothesquare 2 theywerewatchingtv welistenedtomusicandsangtraditionalsongs 3 itwastwelveo clock weallshouted happynewyear 4 westayedthere shearrived 5 hehasmadealotofprogress hestartedtolearnenglishlastmonth listenandcheckthespeakers holidayplans listentothetapeforthefirsttimeanddothequestions makeaposterwithwhen while till until before after since ass