八年级英语下册 U6 period 1课件 人教新目标版.ppt

howlonghaveyoubeencollectingshells unit6 istartedteachingenglishin1996 ihavebeenteachingenglishsince16yearsago myteachinglife yaoming ssportslife hestartedplayingbasketballin1989 hehasbeenplayingbasketballsince23yearsago whendidyaomingstartplayingbasketball howlonghasyaomingbeenplayingbasketball 姚明1980 beborn1989 now 23 playbasketball hestartedplayingbasketballin1989 hehasbeenplayingbasketballsince1989 hehasbeenplayingbasketballfor23years hehasbeenplayingbasketballsince23yearsago 成龙 jackiechan 1954 beborn1961 now 51 act hehasbeenactingfor51years since51yearsago howlonghasjackiechanbeenacting hehasbeenactingsince1961 whendidjackiestartacting hestartedactingin1961 dancing3hours whendidshestartdancing shestarteddancing3hoursago howlonghasshebeendancing shehasbeendancingfor3hours shehasbeendancingsince3hoursago 时态 现在完成进行时 have has是助动词been是be的过去分词 表示从过去开始一直持续到现在的动作 并有可能持续下去 时间状语通常为for 一段时间since 过去的时间点since 从句 一般过去时 构成形式 have hasbeen ving 2hours howlonghasshebeenreading shehasbeenreadingfor2hours shehasbeenreadingsince2hoursago halfanhour9o clock howlonghashebeenplayingcomputergames hehasbeenplayingcomputergamesforhalfanhour hehasbeenplayingcomputergamessincehalfanhourago since9o clock 15minutes howlonghashebeendrawing hehasbeendrawing for15minutes since15minutesago 45minutes howlonghavetheybeenplayingsoccer theyhavebeenplayingsoccer for45minutes since45minutesago anhour howlonghavetheybeenswimming theyhavebeenswimming foranhour sinceanhourago dengyaping1973 beborn1978 1997 playtabletennis howlongdiddengyapingplaytabletennis sheplayedtabletennisfor19years 1978 1997 2012 startedplayingtabletennis stoppedplaying 1989 2012 hasbeenplayingbasketball startedplayingbasketball dengyapingplayedtabletennisfor19years yaominghasbeenplayingbasketballfor23years playedtabletennis pairwork run 30minutes playfootball 45minutes paint anhour playcomputergamesfourhours watchtv threehours playthepianotwohours a howlonghasshe hebeen b she hehasbeen a howlongdidshe he yesterday b she he for since skates skate twohours marathon 1blisten areporteristalkingtotheparticipantsinaskatingmarathon fillinthechartbelow i vebeenskatingforfivehours iskatedfortwohours 1 howlongdidyouskatetoday 2 howlonghaveyoubeenskatingtoday 3 wasthisyourfirstskatingmarathon 4 doyouskateeveryday 5 whendidyougetyourfirstpairofskates 6 howlonghaveyoubeenskating listentotheinterviewwiththeskatingmarathonwinnerandcheckthequestionsyouhear 2a questions1 howlongdidyouskatetoday 3 wasthisyourfirstskatingmarathon 4 doyouskateeveryday 6 howlonghaveyoubeenskating answersa no iskatedinamarathonlastyear b yes ido c forsixhours d sinceiwassevenyearsold listenagain drawlinestomatchthequestionswithanswers 2b 用for和since填空 theyhavebeenlearningchinese theycametochina 2 ihaven tseenher alongtime 3 hehasbeenlivinghere 2001 4 shehasbeendoingherhomework twohours 5 it s5years weleftschool 6 howlonghasmarybeenateacher twoyearsago haveatry since for since for since since 1 自从4岁起我就一直学英语 i vebeenstudyingenglishsinceiwas4yearsold 2 他一直在这条街住了近20年了 hehasbeenlivingatthestreetforabout20years 3 她昨天听了三个小时的音乐 shelistenedtomusicforthreehoursyest