现在完成时复习课件

语法复习现在完成时一、现在完成时的构成1.现在完成时的肯定句句型主语（第一,二人称单,复数）+have（第三人称复数）+have（第三人称单数）+has+过去分词2现在完成时的否定句句型主语+have/has+not+过去分词+……例如：Ihavenotseenthemovieyet.Hehasn’tbeentoBeijingsincethen3.现在完成时的一般疑问句句型Have/Has+主语+过去分词+….Haveyoufinishedthework?Hasshearrivedhere?句型特殊疑问词+have/has+主语+过去分词+…….HowmanytimeshaveyoubeentotheGreatWall?4.现在完成时的特殊疑问句already,yet,just,recently，sofar,ever,never,uptonow,inthepastyears,overtheseyears等。5.现在完成时常用的时间状语是现在完成时表示：1.过去发生的动作对现在造成的影响和结果。强调现在的影响，和过去无关，不和表示过去的时间状语连用。Ihavereadhisletter.Hehasn’tcleanedthewindowsyet.Youhavealreadychanged.Theyhaveneverspokentoeachother.HaveyoueverbeentotheUSA?already,yet,just,recently,sofar,ever,never,inthepastyears,overtheseyears等。5.常和现在完成时连用的状语有：用括号中动词的适当形式填空1.He__________(draw)apictureofhispetdogalready.2.I(notfinish)theworkyet.3.I______________(hear)frommyfatherrecently.4.We________(be)theremanytimesinthepast3years.5.They_______________(finish)theworksofar.6.Howlongyou________(stay)athomealready?7.I___________(notread)thebookbefore.8.Hejust(do)it.9.Mysister________(walk)toschooleverydaylastyear.10.We__________(have)anexamagainsometimenextweek.11.Lucy_________(go)toShanghai.She______(leave)thismorning.hasdrawnhaven’tfinishedhaveheardhavebeenhavefinishedhavestayedhaven’treadhasdonewalkedwillhavehasgoneleft现在完成时和一般过去时区别：1.He____________(work)outthemathandnowheisexplainingittous.2.He______(come)toourschoollastyear.3.They___________(cook)thesupperalready.They________(cook)ithalfanhourago.4.They_____________(notbuy)theairtickets.They__________(buy)themtomorrow.hasworkedcamehavecookedcookedhaven’tboughtwillbuy翻译句子：1.我已经修好了你的照相机。2.吉姆还未到中国旅行过。3.迄今为止，李先生已经教过3000个学生。4.近来，有些交换留学生已经从我们学校毕业。5.在过去的20年里，中国发生了很大的变化。6.李明刚刚去乡下看望他的奶奶。Ihavealreadyrepairedyoucamera.Jimhasn’ttravelledtoChinabefore.Sofar,MrLihastaught3000students.Someexchangestudentshavegraduatedfromourschoolrecently.Chinahaschangedgreatlyinthepast20years.Liminghasjustgonetothecountrysidetoseehisgrandma.