八年级英语How long have you been collecting shells.ppt

单元6，howlonghave youbencollectigshells？shellss、collect shells、shell收集、new words、marathon、skate、apirofskates、she is skating、sheisaskater、istars，从iavebeen achinenglish，for 8 years，sine2000，since : (prep)开始.之后的Howlonghasshebeenskating？1999-2008，shehas been kadingfornieyears，Guan yingshan，Sheisskating，滑冰，2 hours，howlonghashebeen nreading，shehas benreading for 2 hours。since 2 hours ago。an hour、howlong havenethebeenswimming？theyhaveneenswimming、foran hour、sinceanhourago、15minutes、howlonghashebendrawingapicture？hehabeendrawingapictures for 15 minutes . since 15 minutes ago。yaomingisplayingbasikeball。2003-2008、Yaoming、habeen nplayingbasikeball、forfiveyears、howlonghayaomingbeen nplayingbasikeball？sincefiveyearsago，Jackie chan 1954: be born 1961到now : act，hehas been nactingfor 47 years，howlong has Jackie changhang，hehas been nactingsincehewas 7 years old。hehas been nactingsince 1961，missli 1975: be born 2001至2008: teach Chinese，howwlonghas misslibeen achingese？shehas been achinesefor 7 years。shehas been achinesesince 2001，shehas been achinesesince 7 years ago。Deng Yaping 1973: be born 1978-1997: play table tennis，howwlongdiddengyapingplaytablennis？Sheplayedtabletennisfor19years，(2)，启动时间的介词for和since之间的差异，for，since，表示时间持续时间的for时段，“从过去的某个时间点开始”，ssinceareportistalkingtotheparticipantsinaskatingmaraton。fillinthebelow，I vebeen nskadingforfivehours。Iskatiefortworhours，1 cpairaskinandanswerquestionsaboutthepeopleintestinture，a 3360 howlonghas alis onbeen nskating？b : she sbeenskadingforfivehours。a : howlongdidsamskate？B : heskatedforfours。listening-2a2b、questions、answers、_ _ 1。howlongdidyouskatetoday？_ _ 2 .howonghave youbeen kadingtoday？_ _ 3。washisouourfirstskadingmaraton？_4。Doyouskateeveryday？_ _ 5。whendiandyougetyourfirstpairofskates？_ _ 6。howonghave youbeen kating？no、iskatienamarathenlastyear . b . yes、I do . c . forsix hours . d . since Iwas 7 years old。have/hasbeen doingsth since的过去时间点since子句(通常是过去)，我们在：for一段时间内Iavebeen wimmingfor 3 years。howwlonghassshebeen kating？shehasobeen kataningsincenineo clock。Yaomings sports life、1978、1997、2008、startdplayingtablennis、stopped playing、1988，yaominghassbenplayingbasikeball 19 years。Played table tennis、grammer focus、howlong have youbeen nskating？I vebeen kataningsincenineo clock。I vebeen nskadingforfivehours。howongdiyouskate？Iskatedfortwohours。使用for和since填充空格，Theyhaveneenlearningchinese _ _ _ _ theycametochina . 2 . ihven t seenher _ _ _ _ alanceshehasebendoingerhomework _ _ _ twor hours。5.it s5years