人教版（2019）必修第三冊(cè)Unit 1Festivals and Celebrations Discovering useful structures 課件

DiscoveringUsefulStructure動(dòng)詞-ing作表語(yǔ)和定語(yǔ)LeadinHowmuchdoyouknowaboutv-ing?Learningaims:1)Tounderstandtheconceptofv-ing2）Toidentifyandusev-ingaspredicativeandattribute.Studyandthinkindependently5')1)Lookatthefollowingcontentonbookp13.2)Tofindouttheconceptofv-ingaspredicativeandattribute.3)Tofindoutthekeyanddifficultpoints.4)Tofindoutthepointsyoudon’tunderstand.動(dòng)詞-ing形式是動(dòng)詞的一種非謂語(yǔ)形式、由“動(dòng)詞原形+ing”構(gòu)成，動(dòng)詞-ing形式包括現(xiàn)在分詞和動(dòng)名詞一、動(dòng)詞-ing形式作表語(yǔ)1.現(xiàn)在分詞作表語(yǔ)時(shí)，往往具有形容詞的性質(zhì)，說(shuō)明主語(yǔ)的性質(zhì)、特征等。ThefilmthatIsawyesterdayismoving.2.動(dòng)名詞作表語(yǔ)時(shí)，多表示抽象性的或習(xí)慣性的動(dòng)作，一般說(shuō)明主語(yǔ)的內(nèi)容，這一類(lèi)表語(yǔ)有時(shí)候可以換成動(dòng)詞-ing形式做主語(yǔ)(表語(yǔ)和主語(yǔ)常可互換)Myhobbyiscollectingstamps.Theonlythingthatinterestsherisdancing.二、動(dòng)詞-ing形式作定語(yǔ)1.動(dòng)名詞作定語(yǔ)時(shí)，表示被修飾詞的某種性能或用途，相當(dāng)于“名詞+fordoing”anursinghome養(yǎng)老院ahomefornursingawaitingroom候車(chē)室asleepingbag睡袋drinkingwater飲用水a(chǎn)swimmingpool游泳池2.現(xiàn)在分詞作定語(yǔ)時(shí)，它和被修飾的詞之間有邏輯上的主動(dòng)關(guān)系且表示正在進(jìn)行的動(dòng)作,相當(dāng)于一個(gè)定語(yǔ)從句。Themantalkingtomymotherismymathteacher.FamiliescelebratingtheLunarNewYearcanenjoythedragondances.現(xiàn)在分詞作定語(yǔ)時(shí)，它和被修飾的詞之間有邏輯上的動(dòng)賓關(guān)系時(shí),用被動(dòng)形式“beingdone”。Theproblembeingdiscussedishardtodealwith.Self-learningguidance5')1)Tofinishthechange-formedexercisesinP14.變式訓(xùn)練：(1)askingfor/thataskfor(2)Thenewwasshocking(3)beingbuilt