八年级英语(下)全册新目标[全套] 课件人教版6unit 6.ppt

howlonghaveyoubeencollectingshells unit6 askandanswer doyoulikecollectingstamps howlonghaveyoubeencollectingstamps collectshells collectcoins collectstamps collectkites collecttoyanimals readthesentences 1 howlongdidyousleeplastnight 2 whendidyoustartclasstoday 3 howlonghaveyoubeeninclasstoday pairwork a howlonghaveyoubeenskating b ihavebeenskatingsinceiwassevenyearsold howlonghasshebeenplayingcomputer fourhours shehasbeenplayingcomputerforfourhours howlonghashebeenplayingbaseball twohours hehasbeenplayingbaseballfortwohours howlonghavetheybeenworking aweek theyhavebeenworkingforaweek howlonghashebeenridingamotorcycle tenhours hehasbeenridingitfortenhours howlong alsion ihavebeenskatingforfivehours sam iskatedforfourhours victor ihavebeenskatingforfivehours celia iskatedforfourhours pairwork a howlonghasalisonbeenskating b she sbeenskatingforfivehours a howlongdidsamskate b heskatedforfourhours since 自从 自 以来istartedskatingsinceiwassevenyearsoldapairof一双 一对apairofstakes一双溜冰鞋marathon马拉松 newwords 1 hilltopschool2 skatingmarathon 3 raisemoney 4 charity5 several6 skater 山顶学校 溜冰马拉松 筹集钱 筹集资金 慈善机构 几个 一些 溜冰者 questions 1 howlongdidyouskatetoday 2 howlonghaveyoubeenskatingtoday 3 wasthisyourfirstskatingmarathon 4 doyouskateeveryday 5 whendidyougetyourfirstpairofskates 6 howlonghaveyoubeenskating answersa no iskatedinamarathonlastyearb yesido c forsixhours d sinceiwassevenyears been be的过去分词现在完成进行时 have hasbeen doing 表示动作持续了多久 并仍在进行中与过去时的比较 iwatchedtvforthreehours 我看了三小时的电视 我现在没有看电视了 2 ihavebeenwatchingtvforthreehours 我看了三小时的电视 我现在仍然在看电视 matchthesewords 1 school2 forfifteen3 how4 atsix5 since6 skating a hoursb 9 00c longd o clocke skatingf marathon writethequestions 1 hehasbeenstandingthereforfourhours 2 ihavebeenridingabikesinceiwastenyearsold 3 shehasbeenwalkingforfivehours 4 i vebeenwatchingtvsince7 005 he sbeenwaitingforthetrainforanhour fillintheblankwithfororsince1 ihavebeenpracticingthepiano 10 30 2 mariciahasbeenrunning 15minutes 3 sarahhasbeensleepingsince 9 00 4dalehasbeentalkingonthephone 5minutes 5 louiehasbeenstudyingchinese hewas6yearsold 6 ihavebeenwatchingyou 10minutes since for since for since for writethequestions 1 hehasbeenstandingthereforfourhours 2 ihavebeenridingabikesinceiwastenyearsold 3 shehasbeenwalkingforfivehours 4 i vebeenwatchingtvsince7 005 he sbeenwaitingforthetrainfor