Module-2---Public-holidays-Unit3-Language-in-use

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1、Module2PublicholidaysUnit3LanguageinuseImpotantwordsandexpressions: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，

2、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。ReviewtheOrdinalNum

3、bers.1stfirst2ndsecond3rdthird4thfourth5th______6thsixth7thseventh8th______9th______10thtenth11theleventh12th______13ththirteenth20th________21sttwenty-first31stthirty-firstfiftheighthninthtwelfthtwentiethSaythedatesThefirstofJanuary/Januarythefirst2ndFebruary3rdMarch4thApril5thMay6thJune7t

4、hJuly8thAugust9thSeptember10thOctober11thNovember12thDecemberEg: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)Hehasworkedinthefactorysinceitopenedin1

5、992.(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。Iwasdoingmyhomeworkwhilemyparentswerewatchin

6、gTV.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,theykept

7、onworkinginthefield.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_____therai