How often 多久一次; How long多久; How many多少;Howsoon多久后How often对never,hardly every,once a month等表示频率的词进行提问。.How many对数字提问,且在后面How many要跟一个复数名词。eg:They go to the movies 5 times a month.(对画线部分提问)Do they go to the movies 5 times a month?How many times do they go to the movies?She eats only one egg for breakfast.Does she eat one egg for breakfast?How many eggs does she eat for breakfast?1.“_havetheystudiedEnglish?”“TheyhavestudiedEnglishforthreeyears.”A.HowlongB.HowmanyC.Howoften D.Howsoon2.“_willheleavehere?”“Hewillleavehereinamonth”A.HowoftenB.HowlongC.HowsoonD.Howmanytimes3.“_doeshewatchTV”“Onceaweek.”A.Howlong B.HowsoonC.HowoftenD.Howmany答案A,C,C1.Howlong表示“时间多久或物体多长”.表示时间侧重指“一段时间”.针对“Howlong”的回答一般是时间段,如“forthreedays”,“threeyears”e.g.“Howlongwereyouawaylastyear?”“Abouttwoweeks”3.Howoften表示“多少时间一次或每隔多久”.是就做某事的频率提问。针对Howoften的回答一般是“Twiceayear”.“Threetimesaweek”.e.g.“HowoftendoyouwatchTV?”“Treetimesaweek.”3.Howsoon表示“多久之后”.侧重某人某事能多快时间完成.Howsoon的回答一般为:“in+时间段”e.g.“intwodays”“infiveyears”e.g.“Howsoonwillyoubeready?”“Illbereadyinfiveminutes”4Howfar表示“多远”Howfarisit?巩固练习1.Idontknow_hewillgethere.A.howlongB.howsoonC.howoftenD.howmany2.“_doeshetakethismedicine?”“Twiceaday.”A.HowsoonB.HowlongC.HowmuchD.Howoften3.“_haveyoubeenatthisfactory?”“Ihavebeenheresince1993.”A.WhenB.HowlongC.Howoften D.Whattimea4.“_canyoufinishthiswork?”A.HowoftenB.HowsoonC.HowlongD.Howfar5.“_willhestayhere?”A.HowmanytimesB.HowoftenC.whattimeD.Howlong6._doesyoursisterwritetoyourparents?A.Howmany B.Howoftenc.Howlong D.Howfar7._doesittakeyoutofinishyouhomeworkeveryday?A.HowlongB.HowoftenC.HowsoonD.Howmuch答案1-B2-D3-B4-B5-D6-B7-A