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adverbsoffrequency频度副词什么是频度副词？表示频繁程度的副词称为频度副词，如：always,usually,often,sometimes,seldom和never等。这些词表示经常性的动作或状态，而不是某一具体动作，常用于一般现在时中。always总是usually通常often经常sometimes有时seldom很少never从不100%80%60%40%20%0频度的区别：以下是每个同学乘坐公交车的情况。请判断每人乘坐公交车的频率：一直；经常；有时；很少；从不。Sun.Mon.Tues.Wed.Thurs.Fri.Sat.频率Mary√√√√√√√Bill×√√√√√×Lily×√√×√××Sam√×××××√Mike×××√×××Alan×××××××一直，总是经常常常有时很少从不alwaysusuallyoftensometimesseldomnever替换练习：Maryalwaystakesabustoschool.Makesentences（造句）neverseldomsometimesoftenusuallyalwaysPlaybasketballPlaybadmintonskatedanceswimPlayfootballe.g.:Ineverplaybasketball.Translatethesentencesbelow：我很少去购物。我总是上课迟到。我经常参加学校乐队的练习。我有时候喜欢弹钢琴。我从不打乒乓球。Translatethesentencesbelow：我很少去市场。Iseldomgotothemarket.我总是上课迟到。Iamalwayslateforschool.我经常参加学校乐队的练习。Ioftentakepartintheschoolbandprac-tice.我有时候喜欢弹钢琴。Isometimeslikeplayingthepiano.我从不打乒乓球。Ineverplaytabletennis.【小试牛刀】仔细分辨下列单词或短语，并用其适当形式完成下列各句。a)seldom;sometimes;never1.It’s_________warmand_________cold.2.It________snowsinsummer.3.He________eatseggsandheonlyeatsthemwhenhe’sveryhungry.b)usually;always4.Theearth________goesaroundthesun.5.Mr.Brown________goestoworkbybike,butwhenit’srainy,hetakesabus.频度副词短语Wecleanhisroomonceaweek.（一周一次）Youcleanhisroomtwiceaweek.（一周两次）Wecleansherroomthreetimesaweek.（一周三次）Icleanshisroomfourtimesaweek.（一周四次）Icleansherroomfivetimesaweek.（一周五次）一次：once两次：twice≥3次：基数词+times｝+日、周、月、年...dayweekmonthyear一天一次一天两次一周三次一月一次一年一次一年四次一天五次一周两次一年六次Translatethephrasesbelow：一天一次一天两次一周三次一月一次一年一次一年四次一天五次一周两次一年六次Translatethephrasesbelow：onceadaytwiceadaythreetimesaweekonceamonthonceayearfourtimesayearoncetwodaystwiceaweeksixtimesayear每天一个月四次每周两次listentomusiceverydayfourtimesamonthtwiceaweekLilyIMakesentences（造句）：一周五次一个月一次一年七次playbasketballfivetimesaweekonceamonthseventimesayearHe每周两次每个月四次一天一次washmyclothesonceadaytwiceaweekfourtimesamonthshe每年两次一天三次每周一次gotothecinemathreetimesadaytwiceayearonceaweekJerry对划线部分提问：Iplayfootballonceaweek.Howoftendoyouplayfootball?Once/twice/threetimes/sixdaysaweek如何回答：如何提问？Dialogue：playthepianogoshoppingdancerideabikeHowoftendoyougoshopping?Igoshoppingonceaweek.频度副词和频度副词短语位置含义提问及回答频度副词（短语）：这类词用来表示某一动作发生的频率，或某一状态出现的频率，即在一定的时间内动作重复发生或状态重复出现的次数。summaryTHANKYOU