新目标八年级下册Unit 6 Period 1课件

Howlonghaveyoubeencollectingshells Unit6 重点与难点 现在完成进行时 have hasbeen Ving 引导时间的介词for与since的使用 shell collectshells 收集贝壳 Newwords marathon skate apairofskates Sheisskating Sheisaskater Whatishedoing Heisflyingakite kite stamp 集邮 collectstamps raisemoneyforcharity Listening1b I vebeenskatingforfivehours Iskatedfortwohours Listening 2a Questions Answers 1 Howlongdidyouskatetoday 2 Howlonghaveyoubeenskatingtoday 3 Wasthisyourfirstskatingmarathon 4 Doyouskateeveryday 5 Whendidyougetyourfirstpairofskates 6 Howlonghaveyoubeenskating No Iskatedinamarathonlastyear b Yes Ido c Forsixhours d SinceIwas7yearsold Ihavebeenskatingforfivehours 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 一 构成形式 have hasbeen Ving 例句1 我已经学了 年的英语了 IhavebeenlearningEnglishfor5years 例句2 他已经集邮10年了 Hehasbeencollectingstampsfor10years Hehasbeencollecting since10yearsago Hehasbeencollecting since1995 画线部分提问 Howlonghashebeencollectingstamps 二 引导时间的介词for与since的区别 for since 表示时间的持续 for 时间段 表示 自从过去某一时间点以来 since 时间点 强调一段时间 强调动作或状态一直延续到现在 for与since引导的短语用howlong提问 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 Whyarestudentsskating 2 Howmuchdoeseachstudentraiseforeveryhourtheyskate 3 Howlonghastheskatingmarathonbeengoing 4 Whowasthefirsttostart 5 Howlonghashebeenskating 6 HowlonghaveSamandLuNingbeenskating 7 Whowasthelastone 8 Whendidhestart Howlonghashebeenskating Reading SectionA3a Toraisemoneyforcharity Tenyuan Forfivehours Alisonwasthefirsttostart Hehasbeenskatingforfivehours Theyhavebeenskatingforfourhours LiChenwasthelastone Hestartedanhourago Hehasbeenskatingforanhour Sam 4hours LuNing 4hours LiChen 1hour Checktheanswers 3a Answersto3b Alison Sam LuNing LiChen SectionB 2a 2b stuffedanimals theaterandmovietickets forfivehours sinceLastyear 22 35 20 1 Ourclassisorganizingatalentshowto moneyforcharity 2 IneedextraEnglishlessons Doyou agoodEnglishteacher 3 Myhobbyis oldcoins 4 Ididn tfinishwritingmytestbecau