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1、江苏牛津高中英语高一英语备课组M2Unit1Grammar---PresentperfecttenseandPresentperfectcontinuoustenseStep1.Explanations一.通常使用现在完成时的几种情况:(have/hasdone)1表示发生在过去或已经完成的某一动作对现在造成的影响或结果。---________you__________(have)yourlunchyet?---Yes,Ihave.I’vejusthadit.2.表示过去已经开始,持续到现在的动作或状态.1)Ihaven’ts
2、eenherthesedays.2)He______(live)heresincehecamehere.3.和already,never,ever,just,before,lately,recently,yet,sofar,uptothepresent,uptillnow,inthepast/lastfewyears等状语连用。1)Tom__________(do)hishomeworkalready.2)---HaveyoueverbeentoBeijing?---No,Ihaveneverbeenthere.4.表示刚刚完
3、成的动作。Thepolice______just_____________(finish)searchingthearea.5.表示发生多次的动作或表示反复习惯性的动作,常于severaltimes,once,twice,threetimes,frequently等频度副词连用。1)I_________(see)thefilmsseveraltimes.2)HehasbeentoLondontwice.6.在“最高级+名词”或在“这是第几次”之后跟定语从句,从句用现在完成时。1)Thisisthemostinteresting
4、bookthatIhaveeverread.2)ThisisthefirsttimethatI_____________(visit)yourcountry.完成下列句子:1)ItisthefirsttimethatI______________(visit)thecity.2)Itwasthethirdtimethattheboy______________(be)late.3)ThisisthebestfilmthatI_________ever___________(see).典型例题()—Doyouknowourtow
5、natall? —No,thisisthefirsttimeI___here.A.was B.havebeen C.cameD.amcoming()—Haveyou____beentoourtownbefore? —No,it'sthefirsttimeI___here.A.even,come B.even,havecome C.ever,come D.ever,havecome7.表示从过去到现在没有发生的动作。1)He__________(notclean)theroomfor10days.2)They_________
6、__________(hear)fromhimforascoreofyears.8.用在时间,条件状语从句中,表示从句动作先于主句动作之前业已完成。1)We’llsetoutatonceiftherain____________(stop).2)I’lltellhimafteryou____________(leave).9.havebeento..去过…(已回来);havegoneto…去…了(或到了或在途中)1)She______________toEurope,butsheisbacknow.2)She_________
7、_____toEuropeandsheisnotherenow.10.在现在完成时中,终止动词若与for,since等延续状语连用,需把终止动词变成延续性动词。请判断下列句子的正误:1)Shehasleftschoolfor15years.Shehasbeenawayfromschoolfor15years.2)Hehasbeeninthearmyfor5years.Hehasjoinedthearmyfor5years.9江苏牛津高中英语高一英语备课组3)ShehasmarriedJacksince1965.Shehasbe
8、enmarriedtoJacksince1965.4)Ihaveborrowedthenovelforseveraldays.Ihavekeptthenovelforseveraldays.二.现在完成时与一般过去时的区别:一般过去时表示发生在过去的动作,和现在无关;现在完成