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1、Adverbs of Adverbs of indefinite frequencyindefinite frequencyAdverbsofindefinitefrequencymainlygoin MID MID positioninthesentence.Theygobeforethemainverb(exceptthemainverbtobe)WeusuallygoshoppingonSaturday.Ihaveoftendonethat.Sheisalwayslate.Occasionally,sometimes,often,frequentlyandusuallycanalsogo
2、attheBEGINNING OR END BEGINNING OR END ofasentence:Sometimestheycomeandstaywithus.Iplaytennisoccasionally.RarelyandseldomcanalsogoattheENDENDofasentence(oftenwithvery):Wegoshoppingrarely.Johneatsmeatveryseldom.第1页/共8页第一页，共9页。第2页/共8页第二页，共9页。Adverbs of definite Adverbs of definite frequencyfrequencyAd
3、verbsofdefinitefrequency,likealladverbsofdefinitetime,typicallygoinENDposition.Lookattheseexamples:Mostcompaniespaytaxesyearly.Themanagerchecksthetoiletseveryhour.Thedirectorsmeetweeklytoreviewprogress.Sometimes,usuallyforreasonsofemphasisorstyle,someadverbsofdefinitefrequencymaygoattheFRONT,forexam
4、ple:Everyday,morethanfivethousandpeopledieonourroads.Examples:hourly,daily,weekly,monthly,yearlyeverysecond,onceaminute,twiceayearonce,twice,onceortwice,threetimes第3页/共8页第三页，共9页。Place in sentencesPlace in sentencesAdverbsoffrequencyareputdirectlybeforethemainverb.Ifbeisthemainverbandthereisnoauxilia
5、ryverb,adverbsoffrequencyareputbehindbe.Isthereanauxiliaryverb,however,adverbsoffrequencyareputbeforebe.subjectauxiliary/beadverbmainverbobject,placeortimeIoftengoswimmingintheevenings.Hedoesntalwaysplaytennis.Weareusuallyhereinsummer.Ihaveneverbeenabroad.第4页/共8页第四页，共9页。How often do you play tennis?
6、Ioften/sometimes/neverplaytennis.How many times do you play tennis?Iplaytennisonce/twice/threetimesaday/week/year.How often do you walk the dog?Ioften/sometimes/neverwalkthedog.How many times do you walk the dog?Iwalkthedogonce/twice/threetimesaday/week/year.How often or How many How often or How ma
7、ny times?times?第5页/共8页第五页，共9页。Howoftendoyoubrushyourteeth?Ibrushmyteethtwiceaday.OnceadayweekyearTwiceadayweekyearThreetimesadayweekyearFourtimesadayweekyearFivetimesadayweekyear第6页/共8页第六页，共9页。daily, monthly, yearlyHowoftendoyoubrushyourteeth?Igotobeddaily.(everyday)HowoftendoyoucelebrateChristmas?I
8、celebrateChristmasyearly.(onceayear)第7页/共8页第七页，共9页。谢谢(xi xie)大家观赏！第8页/共8页第八页，共9页。内容(nirng)总结Adverbs of indefinite frequency。Occasionally, sometimes, often, frequently and usually can also go at the BEGINNING OR END of a sentence:。every second, once a minute, twice a year。daily, monthly, yearly第九页，共9页。
