完成时用法及考点解析

靠他网徐丽时态学习攻略时态攻略学习考点用法标志词结构完成时攻略结构双态have/hasdonehave/hasbeendone(by)hadbeendone(by)Thecityhasalreadybeenrebuilt.IthadbeenrebuiltbeforeIleft.现在完成时攻略PengLiyuanhasbeenthefirstladyformorethanoneyear.ShehasalreadyvisitedRussia.过去发生持续至今（未完）影响现在（已完）用法：现在完成时：过去——现在SamcametoBeihaiin2002.He__________herefornineyears.A.livesC.haslivedB.waslivingD.willlive现在完成时攻略标志forsincealreadyyetnevereverYou'veneverseensuchawonderfulfilmbefore,_______?A.haven'tyouC.doyouB.haveyouD.don'tyouTheoldpeople_______lonelyatallsincewebegantovisitthemonceaweek.A.don'tfeelC.haven'tfeltB.hasn'tfeltD.didn'tfeel现在完成时攻略Shehasbeenthefirstladysinceseveralmonthsago.Shehasn’tsungsongsinthepublicsincelastyear.Peoplehavekeptpayingattentiontohersinceshebecamethefirstlady.注意！！！since…ago/last…since+过I_________manynewfriendssinceIcamehere．A.makeC.willmakeB.madeD.havemade过去完成时攻略PengLiyuanhadbeenasingerbeforeshebecamethefirstlady.BeforeshevisitedRussia,shehadalreadychosensomesongstosingthere.用法：过去完成时：过去的过去过去的过去发生持续至过去影响到过去过去完成时攻略标志before+过,过完by+过,过完bythetime+过,过完bytheendof+过,过完Themeeting____bythetimeIgotthereyesterday.A.wasonC.hadbegunB.hasbeenonD.hasbegun完成时考点全攻略先后问题去回问题区别问题顺延问题完成时考点全攻略去回问题havegonetohavebeentohavebeenin完成时考点全攻略Youcan’tfindXiaoqiangherebecausehe______________America.I_______________Americaformanytimes.SoIcanfindhimforyou.Xiaoqiang_____________Americafor50years.Hehasgrowntoooldtoberecognized.完成时考点全攻略begin/startfinishdiebuyborrow—beon—beover—bedead—have—keep完成时考点全攻略宾从退格先后问题XiaoqiangsaidthathehadseenmanyfilmsinAmerica.HetoldusthathehadvisitedmanystatesinAmerica.完成时考点全攻略区别问题现在完成时一般过去时Ilostmykey.Ihavelostmykey.区别：和现在的联系结构用法标志考点去回问题瞬延问题先后问题区别问题完成时攻略完成时考点全攻略靠他网：