一年级英语下册课件.ppt

Unit6Howlonghaveyoubeencollectingshells Review 1 We llgofishing itissunnytomorrow A whenB becauseC if2 Youwillbelateforschoolifyou uplate A getB willgetC don tget3 Ididn tknowifthey apartynextSunny A willhaveB wouldhaveC had A C B Period1 What syourhobby Doyoulikesinging Howlonghaveyoubeensinging Ihavebeensingingfor10years Doyoulikeswimming Howlonghaveyoubeenswimming IhavebeenswimmingsinceIwas5yearsold 现在完成进行时态 意义 表示从过去某一时间开始一直持续到现在的动作 这个动作可能刚结束 也可能还要继续下去 常用时间状语 fortwohours fortwoyears since1998 sineIwastenyearsold allthismorning thesefewdays等表示时间段的状语连用 小结 现在完成进行时的构成 肯定形式 have hasbeen 现在分词 doing否定形式为 have hasnotbeendoing Examples 1 自从4岁起我就一直学英语 IhavebeenstudyingEnglishsinceIwas4yearsold 2 她今天听了三个小时的音乐了 Shehasbeenlisteningtomusicfor3hours Groupwork Discussion1 Howlongdidyousleeplastnight 2 Whendidyoustartclasstoday 3 Howlonghaveyoubeeninclasstoday 4 Howlonghaveyoubeenstudyingtoday Alison Howlonghaveyoubeenskating Ihavebeenskatingfor10years Lookatthepictureonpage44 Whatcanyouseeinthepicture 1b Listen Areporteristalkingtotheparticipantsinaskatingmarathon Fillinthechartbelow I vebeenskatingforfivehours Iskatedforfourhours I vebeenskatingforfivehours Iskatedfortwohours 1 Howlongdidyouskatetoday 2 Howlonghaveyoubeenskatingtoday 3 Wasthisyourfirstskatingmarathon 4 Doyouskateeveryday 5 Whendidyougetyourfirstpairofskates 6 Howlonghaveyoubeenskating 2a Listentotheinterviewwiththeskatingmarathonwinnerandcheckthequestionsyouhear 2a Questions1 Howlongdidyouskatetoday 3 Wasthisyourfirstskatingmarathon 4 Doyouskateeveryday 6 Howlonghaveyoubeenskating Answersa No Iskatedinamarathonlastyear b Yes Ido c Forsixhours d SinceIwassevenyearsold 2b Listenagain Drawlinestomatchthequestionswithanswers 2b PAIRWORK StudentAisthereporter StudentBisAlison StudentCisAlison ssister Roleplaytheinterview Sampledialogue A Alison congratulationsonwinningtheskatingmarathon B Thankyou A Howlongdidyouskatetoday B Forsixhours A IknowyouareAlison ssister yoursisterisveryexcellent So Howlonghasshebeenskating C Shehasbeenskatingsinceshewassevenyearsold Practice 1 Howlong she here Forsixyears A has beenstayingB have beenstayingC did stayedD did stay 2 Thefarmersarestillworkinginthefield They forthreehours A havebeenworkingB hadbeenworkingC