人教版八年级英语下册unit6课件

《人教版八年级英语下册unit6课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit6Howlonghaveyoubeencollectingshells?SectionA1a-2cDidyousleepwelllastnight?Whattimedidyougotobed?Whattimedidyougetupthismorning?Howlongdidyousleeplastnight?Isleptfor…·Whendidyoustartclasstoday?·What’sthetimenow?·Areyoustillhavingclassnow?-Ihavebeenincl

2、assfor…·Howlonghaveyoubeeninclasstoday?A:Howlongdidyousleeplastnight?B:Isleptfor…A:Whendidyoustartclasstoday?B:Istartedclassat…A:Howlonghaveyoubeeninclasstoday?B:Ihavebeeninclassfor…PairworkshellsIlikecollectingshells.NewwordsashellastampIlikecollectingst

3、amps.stampsTheyarerunningamarathon.Theyareraisingmoneyforcharity.raisemoneyforcharityaskateapairofskatesSheisskating.Sheisaskater.Howlonghasshebeenplayingcomputer?(fourhours)Shehasbeenplayingcomputerforfourhours.Howlonghashebeenplayingbaseball?(twohours)H

4、ehasbeenplayingbaseballfortwohours.Howlonghavetheybeenworking?(aweek)Theyhavebeenworkingforaweek.Howlonghashebeenridingamotorcycle?(tenhours)Hehasbeenridingitfortenhours.A:Howlonghaveyoubeenplayingsoccer?B:I’vebeenplayingsoccerfortwohours.havebeenNow:3:00

5、pmStart:1:00pmIlikeplayingsoccerIstartedplayingsoccerat1:00pm.I’mstillplayingsoccernow.IstartedteachingEnglishin2004.IamstillteachingEnglishnow.HowlonghaveyoubeenteachingEnglish?IhavebeenteachingEnglishfor5years.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

6、有可能持续下去．时态－现在完成进行时（一）构成形式：have/hasbeen+Vingfor+一段时间have/hasbeen+doingsth+since+过去的时间点since+从句(一般过去时)与过去时的比较：1.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）例句1我已经学了５年的英语了．IhavebeenlearningEnglishfor5y

7、ears.例句2他已经集邮10年了．Hehasbeencollectingstampsfor10years.Hehasbeencollectingstampssince10yearsago.Hehasbeencollectingstampssince1999.画线部分提问：Howlonghashebeencollectingstamps?（二）引导时间的介词for与since的区别forsince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

8、到现在(for与since引导的短语用howlong提问)时间状语for与since引导的短语forfiveminutestendaysfiveyearssinceMay1,20038:00hewassevenyearsoldsevenyearsago成龙（JackieChan）wasborn:1954act:1961~nowHehasbeenactingfor48years.HowlonghasJackieChanbeena