会计学模糊频度(píndù)副词Makesentences一次once两次twice三次threetimes注意：在记忆的时候，我们只要记住once（一次）和twice（两次）就可以(kěyǐ)了，其他发生次数只要用“数字+times”来表达就可以(kěyǐ)了。A:HowoftendoyouwatchTV？B:SometimesIwatchTV.对频率(pínlǜ)提问用howoften或howmanytimesA:HowoftendoesAmydohousework?A:HowoftendoesAmyreadbooks?A:HowoftendoesAmyplaytabletennis?A:HowoftendoesAmywatchTV?A:HowoftendoesAmyplaybasketball?Exercise1、Thegirlsoeatvegetables,buttheboysneatthem.2、Weagoforapicniconweekends.3、Isstayuplate.4、He(经常)goestothecinema.5、Hes(有时(yǒushí))drinkswine.6、Heisu（通常）borrowingmoney.7、Hea(总是)goesswimminginsummer.8、Hen（从不）tellsalie．·内容(nèiróng)总结