八下英语M4Unit3教学课件

Module4 Unit3Languageinuse Readthefollowingsentences Ihavelivedhereformorethantwentyyears IhavelivedheresinceIwasborn Myaunthasworkedinaclinicsince1949 Somenewoilfieldshavebeenopenedupsince1976 IhaveknownXiaoLisinceshewasalittlegirl MybrotherhasbeenintheYouthLeaguefortwoyears Ihavenotheardfrommyuncleforalongtime 现在完成时表示动作或状态从过去某一时刻开始 一直持续到现在 多与 since 点时间 或 for 段时间 连用 for表示 经过 一段时间 而since表示 自从 以来 常见结构如下 Summary 现在完成时 since和for的用法 Hehaslivedherefor16years 他住在这里有十六年了 Hehaslivedheresince16yearsago 他从十六年前起就住在这里了 Hehaslivedheresince1991 他从1991年起就住在这里了 Hehaslivedheresincehewasborn 他从出生起就住在这里 在对现在完成时的时间状语进行提问时 我们常用howlong Howlonghaveyouplayedbasketball Howlonghaveyoubeencollectingshells HowlonghasMarybeenateacher Sincetwoyearsago 介词for短语表示一个时间段 指某个动作或情况到现在为止已持续了多久 since作为介词 接一个时间名词 作为连词 引导一个时间状语从句 从句动词一般是短暂性动词 since表示 自 以来 指某个动作或情况从过去某一点时间一直持续到现在 因此 与for或since引出的时间状语连用的句子 或主语 谓语动词必须是持续性的 英语中有些动词的意义不能持续 表示的是一瞬间就结束的动作 这些动词被称为非持续性动词或短暂性动词 常见的如come leave go lose see begin start arrive become die buy borrow close join reach fall getup等 这类动词可以用于完成时态 但在肯定句中不能与表示动作延续的时间状语for或since短语连用 如 正 Hehascomeback 他已回来 误 Hehascomebackforthreedays 若要表示 他回来已三天了 这样的意思 可以将动词改为延续性动词 或改变时间状语 或改用别的句型等 如译为 Hehasbeenbackforthreedays 改变谓语动词 Hehasbeenbacksincethreedaysago 改变谓语动词 Hecamebackthreedaysago 改变时间状语及动词时态 It sthreedayssincehecameback 改变句型 come go begin start become join end die buy arrive reach borrow lend gettoknow等这些短暂性动词如果要谈论一个动作发生在过去某个时间点 我们可以使用ago或一般过去时 如 KittyhasleftBeijingfortwodays KittyleftBeijingtwodaysago KittyhasbeenawayfromBeijingfortwodays Kittyhasboughtherpursesincelastyear Kittyboughtherpurseayearago Kittyhashadherpurseforayear 在表示持续一段时间的句子中 应将短暂性动词转化为相同意义的延续性动词或状态动词 初中英语中常见的有 短暂性动词 延续性动词 go leave movearrive come reachjoin becomebuy get 得到 beaway off beoutofbehere bein 某地bein bea an n have 短暂性动词 延续性动词 fallill asleep finish endbegin startbegintolearn work read rain gooutgetupborrowgettoknowdielose beill asleep beoverbeonlearn work read rainbeoutbeupkeepknowbedeadbelost 非持续性动词用于完成时态 在肯定句中不能与for或since引出的短语 或句子 连用 但在否定句中是可以的 因为一个非延续性动词一旦被否定即成为状态 而状态总是可以延续的 如 Ihaven tseenhimforalongtime 我很久没见到他了 Hehasn tcomehereforsometime 他有段时间没来了 Ihaven theardfromhersincesheleft 自她离开以后 我一直没收到她的来信 真题链接 1 Excuseme whereisMr Brown soffice Sorry Idon tknow I hereforonlyafewdays 2011河南省 A workB workedC haveworkedD willwork C 2 Mygrandmother alotofchangesinTianjinsinceshecamehere 2011天津 A seesB canseeC willseeD hasseen D 3 ImanynewfriendssinceIcamehere 2011贵州毕节 A makeB madeC willmakeD havemade D 4 Myauntisawriter She morethantenbookssince1980 2011北京 A writesB wroteC haswrittenD willwrite C 5 I Mr SmithsincehemovedtoShanghai 2012北京 A didn thearfromB don thearfromC won thearfromD haven theardfrom D 6 NotonlyJambutalsohisparents afewinterestingplacessincetheycametoChina 2012湖北黄石 A willvisitB hasvisitedC havevisitedD visited C 7 Lookatthesestamps I themforfiveyears Wow theyarewonderful 2013湖南衡阳 A keptB havekeptC havebought B 8 He fortenyears 2013四川雅安 A hasbeenmarriedB marriedC gotmarriedD hasmarried A 9 MysisterhaslearntEnglish 2013四川雅安 A fortwelveyearsagoB sinceshewasfourC twelveyearsagoD attheageoffour B 10 She thebook twodaysago 2013黑龙江绥化 A hasborrowed sinceB haskept sinceC kept for B Practice 用括号内词的正确形式填空 Theoldman live heresince1992 you visit ourfactoryyet I notsee youforalongtime You change alot I mafraidI keep youwaitingforalongtime He know thecitysincehewasveryyoung haslived Have visited haven tseen havechanged havekept hasknown 选用for和since填空 1 Wehaven tseeneachother alongtime 2 HisfatherhasbeenintheParty 10yearsago 3 Thefilmhasbeenon 20minutes for since for 4 MrGreenhasworkedhere hecametoChina 5 Hisgrandparentshavebeendead severalyears 6 It sfiveyears wemetlasttime since for since 用for或since完成下列句子 1 JillisinIrelandnow Shearrivedtherethreedaysago Shehasbeenthereforthreedays 2 Jackishere HearrivedhereonTuesday Hehas 3 IknowSue IfirstmetSuetwoyearsago I ve beenheresinceTuesday knownSuesincetwoyearsago fortwoyears 4 Ihaveacamera Iboughtitin1989 5 Daveplaysthepiano Hestartedwhenhewassevenyearsold Ihavehadthecamerasince1989 Davehasplayedthepianosincehewassevenyearsold Readthepassageandmatchtheproblemswiththeadvice 1 b 2 a 3 c Workinpairs Doyouhavesimilarproblems Talkaboutyouradvice Listenandcompletethepassage Themanfeels Heishotand Hehasbeenlikethisforabout Hehasgotatemperatureanda buthasnotgota oracough Thedoctorsuggestsheshould andtakethemedicine aday Andheshould untilhefeelsbetter awful verytired threedays headache stomachache drinkmorewater threetimes stayinbed TheWorldHealthOrganization Aroundtheworld 1 WhenwastheWorldHealthOrganizationsetup Itwassetupin1948 2 WhatistheworkofWorldHealthOrganization Ithelpsordinarypeopleallovertheworld Itcures preventsandcontrolsseriousdiseases andeducatespeopleabout