英语人教版八年级下册unit10.pptx

现在完成时态的复习 unit8 unit10 现在完成时谓语动词的构成 主语 have has Vp p 过去分词 1 I finish homeworkalready 2 He learn Englishforthreeyears havefinished haslearned 句式变换 1Hehasfinishedhishomework 变为否定句 2TheyhavevisitedChinabefore 变为一般疑问句 并做肯定回答 Hehasn tfinishedhishomework HavetheyvisitedChinabefore Yes theyhave 想一想 1 现在完成时的第一种用法是什么 2 常用的时间状语有哪些 3 你能说出already和yet有哪些不同吗 表示过去发生的动作对现在造成的影响和结果 时间状语 already yet ever never just before等 注意 如果肯定句中含有already和just 在变成否定句或疑问句时 要把already和just转换成yet 用动词适当形式填空 1I do myhomeworkalready 2He notfinish hishomeworkyet 3We never see thisbookbefore 4Mother just clean thehouse 5Sally visit Chinabefore 用动词适当形式填空 1Ihavedone do myhomeworkalready 2Hehasn tfinished notfinish hishomeworkyet 3Wehaveneverseen see thisbookbefore 4Motherhasjustcleaned clean thehouse 5Sallyhasvisited visit Chinabefore 现在完成时 二 1现在完成时的第二种用法是什么 2常用的时间状语有哪些3for和since用法有什么不同 现在完成时 二 1表示动作从过去发生 一直延续到现在 并且有可能继续延续下去2时间状语通常和for since引导的时间状语连用 for 一段时间 foraweek for3years foralongtimesince 时间点 since2o clock sinceyesterday since5yearsago since 从句 sinceIcamehere等 注意 对for或since引导的时间状语提问必须用howlong 1Ihavelivedherefor10years Howlonghaveyoulivedhere 2Shehasstoodheresince2hoursago Howlonghasshestoodhere 选用since和for填空 1Wehaven tseeneachother alongtime 2Hisfatherhasbeenintheparty 10yearsago 3Thefilmhasbeenon 20minutes 4MrGreenhasworkedhere hecametoChina5Hisgrandfatherhasbeendead twoyears 选用since和for填空 1Wehaven tseeneachotherforalongtime 2Hisfatherhasbeenintheparty since10yearsago 3Thefilmhasbeenonfor20minutes 4MrGreenhasworkedheresincehecametoChina5Hisgrandfatherhasbeendeadfortwoyears havebeento与havegoneto区别 havebeento曾经去过某地 已经回来 havegoneto去了某地 还没回来 Trueorfalse 1IhavegonetoJapanbefore 2Guilinisverybeautiful Ihavebeentotheretwice 3HisfatherhasgonetoBeijing Hewillbebacknextweek 4wherehaveyougone Trueorfalse 1IhavegonetoJapanbefore F been2Guilinisverybeautiful Ihavebeentotheretwice F 3HisfatherhasgonetoBeijing Hewillbebacknextweek T 4wherehaveyougone F been 你能说出一般过去时与现在完成时的区别吗 一般过去时与现在完成时有一些明显的时间状语 1yesterday lastyear in 过去某一年 twoyearsago justnow等常用于一般过去时 2already yet never ever just before sofar inthepast lastyears for 时间段 since 时间点等常用与现在完成时 注意 在现在完成时的肯定句中 非延续性动词不能和for since引导的时间状语连用 必须改成延续性动词 最常见的有 buy haveborrow keepleave beawaydie bedeadcome go arrive behere beinbegin start beonjoin bein beamemberof 当堂检测 一句式变换 1 JackhasvisitedChinabefore 改为否定句 Jack visitedChinabefore 2 Theyhavecomeintotheclassroom 改为一般疑问句 comeintotheclassroom 3 Hehasbeenherefor12years 划线提问 hashebeenhere hasnot Havethey Howlong 二 用所给词的正确形式填空 1I live herefortenyears 2I live herein1998 3He notreturn thebookyet 三