八年级下知识点1.怎么了2.使......惊讶的是3.......的重要性4.过去常常做某事5.习惯于做某事6.同意做某事7.继续/坚持做某事8.lie(撒谎)-过去式-过去分词-现在分词9.lie(躺)-过去式-过去分词-现在分词toone'ssurprisetheimportanceof...usedtodosth.beusedtodoingsth.agreetodosth.keepondoingsrh.lie-lied-lied-lyinglie-lay-lain-lyingWhat'sthematter(with...)?10.想出,提出11.帮助某人做某事12.决定做某事14.对.....产生影响15.能够做某事16.完成做某事13.感谢某人做某事17.花费时间/金钱做某事18.为某人提供某物comeupwithhelpsb.(to)dosth.decidetodosth.Thanksfordoingsth.makeadifferencetobeabletodosth.finishdoingsth.spend(spent)time.money(in)doingsth.providesb.withsth.=providesth.forsb.19.(对某人来说,)做某事是......的20.borrowsth._____sb.21.lendsth_____sb.23.允许做某事24.为什么不做某事呢?25.告诉某人做某事22.允许某人做某事26.拒绝做某事27.让某人做某事Itis+形+(forsb).todosth..fromtoallowsb.todosth.allowsb.doingsth.tellsb.todosth.Whydon'tyoudosth?=Whynotdosth.refusetodosth.letsb.dosth.28.主动提出做某事29.该做某事了30.发现某人正在做某事32.对某事感到生气33.与某人闲逛34.介意(某人)做某事31.生某人的气35.依...看;在某人看来36.代替做某事37.成功做某事offertodosth.It'stimetodosth.=It'stimeforsth.findsb.doingsthbeangrywithsb.beangryat/aboutsth.hangoutwithsb.ming(sb).doingsth.inone'sopinioninsteadofdoingsth.succeed(in)doingsth.38.一片狼藉;混乱不堪39.沉默;无声40.忙于做某事41.第一次42.使某人想起某事43.提醒某人做某事44.随便做某事45.放弃做某事inamessinsilencebebusydoingsth.forthefirsttimeremindsb.ofsth.remindsb.todosth.feelfreetodosth.giveupdoingsth.46.停止做某事47.停止一件事情去做另一件事情49.have/hasbeento;have/hasgoneto;have/hasbeenin的区别50.鼓励某人做某事54.对做某事感兴趣48.完成做某事55.haveproblems(in)___sth.56.老实说stoptodosth.stopdoingsth.finishdoingsth.encoouragesb.todosth.beinterestedindoingsth.doingtobehonest•1现在完成时:构成:have/has+动词的过去分词常用的时间状语有:already,yet,never,ever,just,before,for,since,sofar,inthelast/pastfewyears常用的时间状语有:for+一段的时间,since+过去的时间/句子______twodays_____20yearsago_______lastweek_____30hoursforsincesincefor2.现在完成时判断下列词语哪些可以和现在完成时连用(yes/no):alreadyLastweekjustFor3daysyesterdayNextyearSince1992everSincelastSundayyetneverIn5hoursbeforeSince3daysagoyesyesyesyesyesyesyesyesyesyesNoNoNoNo•瞬间动词与持续动词:•瞬间动词可以用于完成时吗?•什么时候不可以用瞬间动词?•dieborrow•buyleave---beaway•他已经买了那本书.___________________•他买了那本书三天了.•________________________________•什么情况是例外?•他三天都没买任何东西.•___________________________________bedeadkeephaveHehasboughtthatbook.Hehashadthatbookforthreedays.Hehasn’tboughtanythingforthreedays.练习•Thedog___________lastnight.Andit_____________for12hours.(死亡)•I_____________thebookfromherlastweek.AndI_____________itforsevendays.(借)•He___________thewatchsincetwoweeksago.He___________itwithhiswifeatthattime.(买)diedhasbeendeadborrowedhavekepthavehadbought•特殊句型:•1.曾经去过某地:•2.去某地了:•3.在某地待了多长时间了:•例如:•他去过香港三次.•他去了香港.•他在香港三年了.have/hasbeento+地点have/hasgoneto+地点have/hasbeenin+地点HehasgonetoHongKong.HehasbeentoHongKongforthreetimes.HehasbeeninHongKongforthreeyears.•练习:1.你去过美国吗?没有,从来没有.•2.John在哪里?他去了图书馆.他已经去那里两个小时了.•3..我已经买了三天了.•4.英语课已经开始10分钟了.•5.李雷已经离...