weuse‘at’before:__________,___________,_______,_____________.1.WehaveEnglishlessons______everyFriday.2.Mybirthdayis_______April1st.3.We’regoingtoseethedoctor_______fouro’clock_____theafternoon.4.HeoftentakesEddieforawalk_____Sundayevening.5.Theyhavealongholiday______November.6.Hewasborn______1992.7.Helikesreadingnewspapers______breakfast.8.ShereadsEnglishbooks_____6o’clock.Unit4MydayHelikessinging.定义:英语中always,usually,often,sometimes,seldom,never等，叫做频度副词。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.alwaysSimonlovesplayingfootball.He_________playsfootballintheplayground.Sandydoesnothavemuchtimetoplaytennis.She__________playstennis.Amyisamemberoftheswimmingteam.She________swimsafterschool.Danieldoesnotlikebasketball.He_________playsit.Kittygoestoherdancinglessonseveryday.She________dancesforanhour.Millie_________goesrollerskating,butsheisnotgoodatit.对划线部分提问：Heplaysfootballeveryday.Iusuallygoswimminginsummer.Isleepfor10hoursattheweekend.WehavePElessonsthreetimesaweek.Themeetingis_____themorning.A.inB.onC.atD.from2.Idon’tlikeskatingatall.I_____goskating.A.neverB.seldomC.oftenD.sometimes3.Tom_____toworkbybicycle.A.sometimesgoB.gosometimesC.sometimesgoesD.goessometimes4.Weofteneatdinnerathomeonweekends,but______weeatout.A.sometimesB.seldomC.neverD.always5.Jerry_________forschool.A.isusuallylateB.usuallyislateC.islateusuallyD.goesusuallylate