牛津版8B_现在完成时回顾

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1、8B现在完成时整体复习教案教师姓名上课日期2015.05.02学生姓名年级8学科English课题教学重难点PresentperfecttenseLearningaims:1.Timeexpressionswiththepresentperfecttense.2.Theverbswith‘for’,’since’and‘ago’inpresentperfecttense.3.Theusageof’have(has)been’and‘have(has)gone’4.Toexpressacontinuousstatewithpresentperfecttense.5.Thed

2、ifferencesbetweenthesimplepasttenseandthepresentperfecttense.一、PresentperfecttenseWeusethepresentperfecttensetotalkaboutthingsthatstartedinthepastandcontinuetothepresent.Wealsousethepresentperfecttensetotalkaboutthingsthathappenedinthepastandhaveconnectionwiththepresent.Wealsousethepresen

3、tperfecttensetotalkabouthowmanytimesanactionhashappenedtillnow.e.g:EddiehaslivedwithMilliesincehewasborn.Eddiehaseatenmyfood.Eddiehasreadthestorymanytimes.Timeexpressionswiththepresentperfecttense.Wecanusesometypicaltimeexpressionswiththepresentperfecttense.already,just,everandneverusuall

4、ycomeafterhaveorhas,whileyetandrecentlycomeattheendofasentence.However,sometimesalreadycanalsobeplacedattheendofasentence.而for+一段时间,since+过去的时间点,theseyears,sofar,uptonow,until,tillnow,inthepast/last…years等用在现在完成时的末尾。注意：当在肯定陈述句中含有already或just时，在转换成否定句或疑问句时，要把句中的already或just去掉，在句末加上yet.Theu

5、sageof‘since’第6页共6页1.Since+过去某个时间（此时since充当介词）Hehasbeeninthisschoolsince1999.2.Since+一段时间+ago（此时since充当介词）ShehasknownSusansincesevenyearsago.3.Since+从句（此时since充当连词）（此时主句使用完成时，从句则要使用过去时）Eg:IhavelivedheresinceIwasborn.4.当主句的谓语动词为be或seem时，则主句要采用一般现在时,从句仍使用过去时。Eg:It’salongtimesinceweleftschoo

6、l.注意：如果动词是非延续性的，则不可以和since以及for连用二、Theusageof’have(has)been’and‘have(has)gone’Weuse‘have(has)been’toexpresstheideathatsbwenttosomeplaceandhasalreadycomeback.e.g:IhavebeentoSouthHillmanytimes.Weuse‘have(has)gonetoexpresstheideathatsbwenttosomeplaceandisstillthere.e.g:KittyhasgonetoHongKong

7、withmaymyfamily.常见用法:havebeen(to)+地点+次数havebeen(in)+地点+for/since+地点副词（here,there,home）,介词可省略havegone(to)+地点[随堂一练]I.用have(has)been或have(has)gone填空。A:Where____________LiFei___________?B:He____________toHainanIsland.A:Howlong___________he___________there?B:He__________