Unit+4+Adversity+and+Courage++Learning+about+Language+语法课+高中英语人教版选择性必修第三册+

Unit4adversityandcourageLearningaboutLanguagePeriod3:DiscoveringusefulstructuresThePresentPerfectContinuoustenseLearningObjectivesErnestShackletonLearnthebasicstructure,functionsandusesofthepresentperfectcontinuoustenseDistinguish

thepresentperfectcontinuoustensefromthepresentperfecttenseDeepen

theawarenessofhowimportantitistopersevereinfaceofadversity.Step1：ObserveandlearnP38...thisistheadventurethatIhavebeendreamingof.P38Wearenowcampedontheiceandwehavebeenmanagingtosurvive.P39Wehavebeenstrugglingfordays,...姓名：ThePerfectContinousTense外貌：havebeen+doing魔法：To

describethedurationofanactionthatbeganinthepastandcontinuesintothepresent;to

describeeventsthathavebeeninprogressrecentlyandarerathertemporary小跟班：uptonow身份大揭秘时态家族之完成进行家族have/hasbeendoingthePresentPerfectContinuousTense现在完成进行时have/has+p.pbe+doingStep1：ObserveandlearnStep2：Learntherules1.现在完成进行时概述现在完成进行时表示过去发生的动作或状况一直持续到现在，这个动作可能仍在继续进行或刚刚结束。现在完成进行时由“have/has+been+现在分词”构成。肯定句：主语+have/has+been+现在分词...否定句：主语+have/has+not+been+现在分词...疑问句：Have/Has+主语+been+现在分词...?疑问代词/疑问副词+have/has+（主语+）been+现在分词...? I’vebeentryingtofindouthertelephonenumber.我一直在查问她的电话号码。Theyhavebeenwideningtheroad.他们在拓宽这条路。Step2：ApplytherulesTheboy__________________(eat)sincefiveminutesago.1.Theboystartedeatingfiveminutesago.Heisstilleatingnow.

hasbeeneatingTheman__________________(work)inthefieldforhalfanhour.

hasbeenworking2.Themanstartedworkinginthefieldhalfanhourago.Heisstillworkingnow.Step3：现在完成进行时的用法1learn

8yearsagofuturenowHe

hasbeenlearning

Englishsincehewas8yearsoldandhestilllovesit.表示动作从过去某时开始一直到说话时还在进行或可能还要继续下去。Step3：与现在完成进行时连用的时间状语:allday/month;thismonth/week/year;thesedays;

recently/lately;inthepast/lastfew+时间段;since+时间点;

for+时间段,ever

since等。Hehasbeenworking

allday.Theyhavebeenbuildingthebridgefortwomonths.ThetwopartieshavebeentryingtounitesincetheNewYear.HoweveryonewillenvymewhenItellthemIamadmittedtotheuniversityIhavebeendreamingof.Step1：现在完成进行时的用法21.A:IamsorryIhavekeptyouwaitingsolong.

B:Itisallright.Ihavebeenreading

thenewspapers.2.Wehavebeenwaitingforyouforhalfanhour.3.Hereyesarered.It'sobviousthatshehasbeencryingforalongtime.

2.表示不久前刚刚结束的动作。这种意义通常根据上下文来判断。Step3：现在完成进行时的用法31.It

hasbeenraining

thesedays.3.表示在一段持续的时间内动作的多次重复，而这个重复的动作在说话时并不一定在进行。2.We

havebeenpracticing

KungFurecently.3.IhavebeenvisitingsomecitiesofChinathismonth.Step3：现在完成进行时的用法4

Whyareyoulateagain?Ihavebeenwaiting

foryoufortwohours.

1.

You

havebeenmaking

progressandIamproudofyou!4.表示某种强烈的感情色彩,如：赞赏、批评、愤怒等。Step4：现在完成时和

现在完成进行时的比较

相同点：1.动作都发生在过去2.都与一段时间连用Theyaredifferentinformsandusages.Step4：比较一：LiJia__________(read)abookaboutpsychology.(Shefinishedreadingthebook.)LiJia______________(read)abookaboutpsychology.(Sheisstillreadingthebook.)hasread

hasbeenreadingStep4：

pastfuturenowhaveread

pastfuturenowhavebeenreading现在完成时现在完成进行时动作刚结束；强调对现在的影响或结果动作还在延续；强调动作的延续性Step4：现在完成进行时与现在完成时的区别（1）现在完成时强调完成和影响，现在完成进行时强调未完成和动作。I’vebeendoingmyhomework.我一直在做家庭作业。（还在做）I’vefinishedmyhomework.我已做完家庭作业了。（已完成）（2）现在完成时经常表单个事件，现在完成进行时可表重复事件。Juliahasgonetothelibrary.朱莉娅去图书馆了。（单个事件）Juliahasbeengoingtothelibraryforayear.朱莉娅在一年间经常去图书馆。（重复事件）（3）现在完成时通常只陈述事实，而现在完成进行时含感情色彩。Whathaveyoudone?你做什么了？（仅是问问）Wherehaveyoubeen?Ihavebeenwaitingforyouintherainfortwohours.你去哪里了？我在雨中等了你两个小时。（表示不满）Step4：（4）表重复时，现在完成时强调成果，讲次数；

现在完成进行时强调持续，不讲次数。Ihavesentthirtye-mailsthismorning.Ihavebeensendinge-mailsthismorning.（5）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。Thewarhaslastedforalongtime.（6）现在完成进行时不用于被动语态。若要用，可用现在完成时的被动语态代替。Thehousehasbeenpaintedforamonth.单句语法填空（1）It

（rain）everydaythismonth.（2）Sofarthisyearwe

（see）afallinhousepricesbybetween5and10percent.（3）I

（drink）fivecupsofcoffeethisafternoon.（4）Nowthatsheisoutofwork，Lucy

______

（think）aboutgoingbacktoschool，butshehasn’tdecidedyet.（5）HeisthemostcreativemanthatI

（meet）.（6）Alltheseyearswe

（try）togetintouchwithhim.（7）We

________

（已经打扫了房屋）（8）Sincethatunfortunateaccidentlastweek，I

___________________

（一直睡得不好）.（9）She

（一直睡）for6hoursandstillcan’twakeup.hasbeenraininghaveseenhavedrunkhasbeenthinking

havemethavebeentryinghavecleanedthehousehaven’tbeensleepingwellhasbeensleepingReadeachsituationandrewriteeachasentenceusingthepresentperfectcontinuoustense.1.Thedogstartedtobarkabouttwohoursago.Ireallyhopeitwillstopsoon.Thedoghasbeenbarkingforabouttwohours.Ireallyhopeitwillstopsoon.Step5：2.Stevestartedtoplayrugbyattheageofeight.Nowhehasbecomeaprofessionalplayer.____________________________________________________________________________________________________Stevehasbeenplayingrugbysincetheageofeight.Nowhehasbecomeaprofessionalplayer.3.Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Helooksalittletiredafterplayingtabletennisfortwohours._________________________________________________________________________________________________________________________________________________________Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Helooksalittletiredbecausehehasbeenplayingtabletennisfortwohours.4.Dianehasn’tgotmuchsleepthisweek.Shelooksterribletoday.________________________________________________________________________________________________________5.Itriedtophoneyouthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere.________________________________________________________________________________________________________Dianehasn’tbeensleepingwellthisweek.Shelooksterribletoday.Ihavebeentryingtophoneyouthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere.课堂小练1.She___________(lose)herkeys.Shecan’tfindthemanywhere.2.I____________________(write)