高中英语Unit 5 Meeting your ancestors(浙江省台州市路桥区)选修八Period 4 Grammar.ppt

period4 grammar thepresentperfectcontinuoustense ihavebeenclimbingforhalfanhour becoveredwithweeds presentsituationofzhoukoudiancavesite theweedshavebeenruiningzhoukoudiancave pollute thefactorieshavebeenpollutingzhoukoudiancave presentsituationofzhoukoudiancavesite illegalexcavation somepeoplehavebeenexcavatingtheciteillegally presentsituationofzhoukoudiancavesite allthebadsituationshavebeenharmingthezhoukoudiancavesandthesehavebeenshockingthevisitors luckily ourgovernmenthasbeentakingmeasurestoprotectit thepresentperfectcontinuoustense现在完成进行时态 enjoyitandpayattentiontothetense examplesinthetext1wehavebeenexcavatinglayersofashalmostsixmetresthick 2 wehavebeenfindingthebonesoftigersandbearsinthecaves 一 结构形式现在完成进行时是由 助动词have has been 动词的现在分词 构成 explanation 二 基本用法1 表示从过去某时开始一直延续到说话时还在进行 或可能还要继续下去的动作 它通常和 for 段时间 或 since 点时间 也可以是从句 的时间状语连用 例如 ihavebeenwaitingforaletterfrommyparents 我一直在等我父母的来信 ithasbeenrainingforthreehours 雨已经下了三个小时了 we heresince2004 自从2004年以来 我们一直在这里学习 havebeenstudying 2 表示从过去某时开始 一直延续到说话时刻 可能刚刚结束的动作 例如 shehasbeensweepingthestreetallday sheistootired 她一整天都在扫大街 她太累了 we foryoufortwohours wedon twanttowaitanylonger 我们已经等你两个小时了 不想再等了 havebeenwaiting 三 常用句型1 肯定句 主语 have has been 动词的现在分词 其他 例如 ihavebeensittingherealltheafternoon 我在这儿坐了一下午 hehasbeencollectingallkindsofstampssincehewastenyearsold 自十岁起他就开始收集各式各样的邮票 3 一般疑问句 have has 主语 been 动词的现在分词 其肯定回答 yes 主语 have has 否定回答 no 主语 haven t hasn t haveyoubeenstudyingfortheenglishtesttoday 你今天一直在准备英语测试吗 yes ihave no ihaven t 是的 不 我没有 hasdanielbeenskatingfortwoyears 丹尼尔滑冰已经有两年了吗 yes hehas no hehasn t 是的 不 他没有 4 特殊疑问句 特殊疑问词 一般疑问句 whatbookhaveyoubeenreadingrecently 最近你在看什么书 howhasyourunclebeengettingonwithhiswork 你叔叔的工作进展得怎么样 有些不能用现在进行时的动词 如be have like love know see hear等 同样也不能用现在完成进行时 而应用现在完成时 thepoorwomanhasbeenillforalongtime 那可怜的妇人已经病了好久了 haveyouseenherparentsthesedays 这些天你看见她的父母了吗 attention pairwork p41 e g s1 mrssmithlearnedtodrivethreeyearsago howlong s2 howlonghaveyoubeendriving mrssmith 1 samhasjustfinishedlearningtoflyanairplaneonasix monthcourse howlong howlonghaveyoubeenlearningtoflyanairplane sam 2 heswamtillhefeltverytired hehasjuststeppedoutoftheswimmingpool howlong howlonghaveyoubeenswimming 3 sallyandzhouxinhavebeenbusyallday what whathaveyoubeendoing sallyandzhouxin 4 theyhavearguedwitheachotherforyearsaboutthebestwaytogrowpotatoes what whathaveyoubeenarguingaboutforyears 5 jiaoyangusesaparticularkindofwashingpowderandhisclotheshavealwaysbeencleanandsoft what jiaoyang whatkindofwashingpowderhaveyoubeenusingthatmakesyourclothessocleanandsoft comparison presentperfect presentperfectcontinuous difference a ihavebeenvisitingthiscitythesedays 这些天 我都在这个城市参观 b ihavevisitedthiscitymanytimes 我曾参观过这个城市 现在完成式强调动作的完成或曾经发生过现在完成进行式强调动作仍然在继续下去 2 a youlooksohappy whathaveyoubeendoing 你看起来这么高兴 在做什么呢 b nowthatwehavefinishedtheexercises wecanhandthemin 既然我们已经完成了练习 我们可以交了 现在完成式强调动作的结果现在完成进行式强调动作在持续进行过程中的情景 3 a heknowsthatshehasbeenwritingtohim 他知道她常给他写信 b heknowsthatshehaswrittentohim 他知道她给他写过信 现在完成式表示一次性动作现在完成进行式表示反复发生的动作 thedifference exercise 1 a iamsorryi keep youwaitingsolong b itisallright i read thenewspapers 2 thecctv broadcast englishprogrammerseversince1977 havekept havebeenreading hasbeenbroadcasting 3 youwillfeelbetterwhenyou take themedicine 4 mysister learn englishsinceshewasachild shespeaksenglishfluentlynow 5 thelittleboyisdirtyfromheadtofootbecausehe play inthemudallmorning havetaken hasbeenlearning hasbeenplaying thezhoukoudiancavesareindanger report whathavewebeendoingtoprotectit government museum citizens students policemen visitors sb has havebeenv ing repair rebuild enlarge close reinforce 加固 improve change strengthen publicize 宣传 themuseumstheprotectedareathefactoriesaroundthewallofthecavestheenvironmenttheequipmentthemanagementtheimportanceof pairwork supposeyouarethechineserepresentative youareaskedtowritealettertotheworldculturalrelicsprotectassociation 世界文物保护中心 theletterisaboutthemeasuresthatchinahasbeentakingtoprotectzhoukoudiansite writing dearsir ourcountryhasalonghistoryanditisfamousforitsancientcivilization zhoukoudianisasymbolofchinesecivilization inordertopr