高中英语 Unit1 Tales of the unexplained Period4 Grammar课件 牛津译林版必修2.ppt

model2unit1talesoftheunexplainedperiod4grammar presentperfecttense presentperfectcontinuoustense 一 设计思想 从课文的具体语境入手理解现在完成时与现在完成进行时 并补充讲解归纳现在完成时与现在完成进行时的常见考点并练习 二 教学目标 bytheendofthisclass thestudentswillbeableto1 learntheformandusageofthepresentperfecttenseandthepresentperfectcontinuoustense 2 knowwhenthepresentperfecttenseandthepresentperfectcontinuoustenseisusedinsentences 三 教学重难点 1 comparethedifferencesbetweenthesimplepasttenseandthepresentperfecttense 2 learnthedifferencesbetweenpresentperfecttenseandpresentperfectcontinuoustense 观察思考 请赏析以前课文中含有 现在完成时或现在完成进行时 的句子并将它们翻译成中文 1 l53p23m1 nowthathehasbeensorudetous ifeellikewehavetopunishhim 2 l2p42m1 ihaven theardfromyouforweeks 3 l10p42m1 i velost7kginthelasttwomonths 4 l64p3m2 ihaven tbeensleepingwellsinceireturnedhome 既然他已经对我们如此粗鲁 我想我们不得不惩罚他 我已经好几周没收到你的来信了 在过去2个月我的体重减了7kg 自从我回到家我就没睡好 课堂导入 预习检查 1 completethefollowingsentenceswiththepropertense 1 we study englishforaboutfiveyears 2 they live inthesouthsincetheirdaughterwasborn 3 i read ourarticlethreetimes it swellwritten 4 thestudent finish herhomeworkalready 5 eric go backtohishometowntoday 6 thepolice justfinish searchingthearea havestudied havelived haveread hasfinished hasgone havejustfinished step1 i请用 现在完成时 完成下列句子 这些句子你们都学过 1 19 oftheteenagerssaythatthey 已经尝试 controllingtheirweight 2 people 已经表现出 greatinterestinhisdisappearance 3 somepeopleindoveralsosaythatthey 已经见过外星人 4 policeinamerica 加快搜索 afifteen year oldboy 5 justin 已经失踪 fortwoweeksnow havetried haveshown haveseenaliens havesteppeduptheirsearchfor hasbeen gonemissing 课堂教与学 ii 请用 现在完成进行时 完成下列句子1 it 一直在下雨 sincelastsunday 2 they 已经等待 youfortwohours 3 tom 一直在学 englishsincethreeyearsago 4 thelittlegirl 一直在读 thebook 5 i 一直在打扫 theroomsthewholemorning hasbeenraining havebeenwaitingfor hasbeenstudying hasbeenreading havebeencleaning step2 现在完成时和现在完成进行时的构成及用法归纳a 构成形式 以do为例 b 主要用法 c 注意事项1 常和完成时连用的词 词组和句型有 for since lately recently before already ever just yet in for during thepastfewdays weeks months sofar uptonow till until now itisthefirst second time that 等 2 hasgone to 去了没回 hasbeen to 去过 hasbeen in 去了并呆在 3 不用于进行时态的动词通常也不用于现在完成进行时 但它们可以用于现在完成时 如 be have like love know等 4 短暂性动词come go arrive reach see hear close leave begin start lose buy close fall join die getup等可以和完成时连用 但是不能和表一段时间的时间状语连用 i 用现在完成时或现在完成进行时将下列句子翻译成英文1 自从三年前以来我一直在自学英语 2 他们在这个城市已经住了10年 3 我一直在写一本书 我已经写了一本书 4 他们一直在造一座桥 他们造了一座桥 5 学生们一直在准备考试 还在进行 6 学生们为考试作了准备 已经结束 7 这房子已漆了一个月 8 这一周你一直在干什么 不耐烦 ihavebeenstudyingenglishbymyselfthreeyearsago theyhavelivedinthecityfortenyears ihavebeenwritingabook ihavewrittenabook theyhavebeenbuildingabridge theyhavebuiltabridge thestudentshavebeenmakingpreparationsfortheexams thestudentshavebeenpreparedfortheexams thehousehasbeenpaintedforamonth whathaveyoubeendoingthisweek 课堂巩固 单项填空1 wheniwasatcollegeithreeforeignlanguages butiallexceptafewwordsofeach a spoke hadforgottenb spoke haveforgottenc hadspoken hadforgottend hadspoken haveforgotten2 nowthatsheisoutofajob lucy goingbacktoschool butshehasn tdecidedyet ahadconsideredbhasbeenconsideringcconsidereddisgoingtoconsider3 mydictionary ihavelookedforiteverywherebutstill it a haslost don tfindb ismissing don tfindc haslost haven tfoundd ismissing haven tfound4 i msorrytokeepyouwaiting oh notatall i hereonlyafewminutes a havebeenb hadbeenc wasd willbe5 thesportsmeetmightbeputoff yes italldependsontheweather a i vebeentoldb i vetoldc i mtoldd itold6 youdon tneedtodescribeher iherseveraltimes a hadmetb havemetc metd meet b b d a a b 7 myglasses yes isawthemonyourbedaminuteago a doyouseeb hadyouseenc wouldyouseed haveyouseen8 iwon ttellthestudenttheanswertothemathproblemuntilhe onitformorethananhour a hasbeenworkingb willhaveworkedc willhavebeenworkingd hadworked9 hi tracy youlooktired iamtired i thelivingroomallday a paintedb hadpaintedc havebeenpaintingd havepainted10 theprice butidoubtwhetheritwillremainso a wentdownb willgodownc hasgonedownd wasgoingdown11 allthepreparationsforthetask andwe rereadytostart a completedb completec hadbeencompletedd havebeencompleted12 cathyistakingnotesofthegrammaticalrulesinclassatsunshineschool whereshe englishforayear a studiesb studiedc isstudyingd hasbeenstudying d a c c d d 13 anewcinema here theyhopetofinishitnextmonth a willbebuiltb isbuiltc hasbeenbuiltd isbeingbuilt14 johnandi friendsforeightyears wefirstgottoknoweachotheratachristmasparty butwe eachotheracoupleoftimesbeforethat a hadbeen haveseenb havebeen haveseenc hadbeen hadseend havebeen hadseen15 doyouknowourtownatall no thisisthefirsttimeihere a wasb havebeenc camed amcoming16 inthelastfewyearsthousandsoffilms allovertheworld a haveproducedb havebeenproducedc a