外研版高中英语选择性必修第一册Unit3 Faster,higher,stronger PeriodⅡ Using Language课件

Keypoint1:-ing形式作主语的基本概念

Keypoint2:-ing形式作主语常用句型

Keypoint3:-ing形式作主语的逻辑主语

Keypoint4:-ing形式作主语和todo作主语的区别ContentsKeypoint5:-ing形式做主语的否定

Keypoint1::-ing形式作主语的基本概念

钓鱼是我的乐趣。Fishingismy

pleasure.Doingexercise

isagoodwaytoloseweight.

Dancing

isherhobby.

做运动是一个好的减肥方式。跳舞是她的爱好。1.

作主语,且通常放在_______。2.谓语动词用

。3.动词-ing形式作主语常用来表示________________的动作。4.被动形式为beingdone。eg：Beingpraisedbyhisteachersmadehimregaintheconfidence.被老师表扬使他重获自信。动词-ing单数句首经常性或习惯性_______(be)aclowndoctormeansIcanhelppeoplebyentertainingthem.Being________(see)theirdaughtersomuchhappierhasinturnmadeLara’sparentsrelaxed.Seeing_________(play)basketballwashisdream.Playing1.____________(determine)theoriginsofthediseaseshouldbedrivenbyscienceandsolidfacts.2._______(go)tobedearlyand___________(get)upearlyisconsideredtobeagoodhabit.3.________(be)abletospeakaforeignlanguagegivesyouagreatadvantageoverothers.4.__________(learn)tothinkcriticallyisanimportantskilltoday'schildrenwillneedforthefuture.5._____________(travel)alongtheoldSilkRoadisaninterestingandrewardingexperience.6._____________(ask)bytheteachertoleavetheclassroommadehimfeelashamed.DeterminingGoinggettingBeingLearningTravellingBeingasked1.Underlinetherightformsofverb.1）Walkingis/areagoodformofexerciseforbothyoungandold.2）Watching

newsonTVhave/hasbecomearoutineforme.3）Going

to

Hangzhoubytraintakes/takeabout16hours.4）Asking

awoman’sageare/isimpoliteinourcountry.Exercise2Keypoint2:-ing形式作主语常用句型

2.位置：动词-ing形式作主语时，可位于句首或句末，位于句末时要用it作形式主语。

It作形式主语，主要用在句型Itis+表示否定的形容词(-less)或名词(nogood,nouse,awasteoftime,fun)中。如：Itisnouse

__________(tell)himnottoworry.It'suseless

__________(study)Englishwithoutpractice.It'sawasteoftime__________(talk)aboutthat.It'sfun__________(breath)infreshairinthemorningmountains.注意：important，essential，necessary等形容词不能用于上述结构。tellingstudyingtalkingbreathing1.It’sawasteoftimedoingsth.做某事是浪费时间的2.It'suseless/worthwhiledoingsth.做某事是没用/值得的3.It’snogood/use/fundoingsth

做某事是没好处/没用/没意思常用-ing形式作主语的句型有：1.It’sawasteoftimetalkingaboutsuchauselessthing.谈论这样无用的事情简直是浪费时间。2.It’sdangerousswimmingintheseaonwindydays.有风的天气在海里游泳是危险的。3.Itisworthwhilediscussingthequestion.这个问题值得讨论。Exercise1Translation5)做出努力是值得的。

_________________________6)和夏洛克争辩是没有什么用的。_____________________________withShylock．7)跟你在一起工作是令人愉快的。_______________________________________8)玩电子游戏是浪费时间。It'sawasteoftime______________________.ItisuselessarguingItisapleasureworkingwithyou．playingcomputergames.It’sworthmakingtheeffort．Keypoint3:-ing形式作主语的逻辑主语

用动词-ing作主语的逻辑主语把下列句子整合成一句：

Mydeskmatewasill.Itmademeworried.

Mydeskmate'sbeingillmademeworried.1.名词（有生命的名词）'s+doing2.形容词性物主代词+doing-ing作主语时的逻辑主语常用的两种形式Hisbeingillmademeworried.

逻辑主语：动词-ing形式作主语时，如果要突出动作的执行者，要在其前面加上所表动作的逻辑主语，这就构成了动词-ing形式的复合结构。

1.______tothemeetingsurprisedallofthemanagers.A.MikecomingB.MikecameC.MikecomingD.Mike’scoming2.It’snouse_______thatyoudidn’tknowtherules.A.youpretendB.youpretendingC.yourpretendingD.yourpretend

Exercise1MultiplechoicesKeypoint4:

-ing作主语和todo作主语的区别Playingwithfireisdangerous.玩火危险。(泛指)Becareful！Toplaywithfirewillbedangerous.小心点！玩火会带来危险。(指一具体动作)

动词­ing形式作主语表示泛指的行为或者抽象的概念，不定式作主语表示具体或一次性的动作。Keypoint5:

-ing形式做主语的否定

1.感觉不饿使很多学生不吃早餐。

____________(feel)hungryinearlymorningmakessomestudentsskipbreakfast.Notfeeling2.没有意识到我的一个孩子生病了是我最大错误。

____________(realize)oneofmykidsissickismybiggestmistake.Notrealizing-ing做主语的否定：Not-ing2.上班不准时是他失去升职机会的原因。

________________(beontime)wasthereasonwhyhefailedinthepromotion.NotbeingontimeKeypoint1:theconceptionandrules：1._______作主语,且通常放在_______。2.谓语动词用

。3.动词-ing形式作主语常用来表_____________的动作。Keypoint2:-ing形式作主语常用句型：1.It’sawasteoftimedoingsth.2.It'suseless/worthwhiledoingsth.3.It’snogood/use/fundoingsth

Keypoint3:-ing作主语的逻辑主语名词（有生命的名词)’s/形容词性物主代词+doing(peter’s/Hisdoing)Keypoint4:-ing作主语和todo作主语的区别动词­ing形式作主语表示泛指的行为或者抽象的概念，不定式作主语表示具体或一次性的动作。动词-ing单数句首经常性或习惯性SummaryKeypoint5:-ing做主语的否定：Not+-ing

wearletmissmakeuse

UsingLanguageCompletethevoicemailmessageswiththecorrectformofdoandplay.HiEllen,it'sToddhere.I'vejustfinishedmyfirstdayvolunteeringattheSeniorCitzens'SportClub!It'smademeseelifeasanolderpersonwithfresheyes!Somemembersliketo_____yogabecauseithelpsthemkeeptheirmusclestoned,whileothersloveto____aerobics-oneelderlymansaystheenergyofitmakeshimfeelyoungagain!Ballgamesarealsopopular.Manyenjoy_________tabletennisor__________bowling,whiletherewerelotsofpeople__________badminton,a