動(dòng)詞-ing形式作主語動(dòng)詞-ing形式作主語動(dòng)詞-ing形式作主語時(shí)叫動(dòng)名詞,相當(dāng)于名詞。一、動(dòng)名詞作主語的用法和注意事項(xiàng)情景導(dǎo)學(xué)1Readingaloudisagoodwaytolearnalanguage.朗讀是學(xué)習(xí)語言的一種好方法。Wastingaperson'stimeisthesameaskillinghimforhisproperty.浪費(fèi)一個(gè)人的時(shí)間無異于謀財(cái)害命。用法歸納1動(dòng)名詞(短語)作主語時(shí),往往表示經(jīng)常性、習(xí)慣性的動(dòng)作或抽象的概念,通常置于句首。情景導(dǎo)學(xué)2Climbingmountainsisreallydifficultfortheold.對(duì)于老年人來說爬山確實(shí)困難。Weallknowthatgoingtobedearlyandgettingupearlyisagoodhabit.我們都知道早睡早起是一個(gè)好習(xí)慣。ListeningtotheEnglishtapesandwatchingEnglishfilmsaregoodwaystolearnEnglish.聽英文磁帶和看英文電影是學(xué)英語的好方法。用法歸納2單個(gè)動(dòng)名詞(短語)作主語時(shí),謂語動(dòng)詞用①

形式;當(dāng)兩個(gè)或兩個(gè)以上的動(dòng)名詞(短

語)作主語時(shí),若表示的是一個(gè)整體意義,謂語動(dòng)詞用單數(shù)形式,若表示的是彼此獨(dú)立的意義,

謂語動(dòng)詞用②

形式。情景導(dǎo)學(xué)3Itisnousewaitingforotherpeopletomakedecisionsforyou.等別人替你做決定是沒有用的。單數(shù)復(fù)數(shù)用法歸納3有些句子為了保持平衡,避免“頭重腳輕”,常用③

作形式主語,而把作真正主語的

動(dòng)名詞(短語)后置。常見句式有:It'sawasteoftimedoingsth.做某事是在浪費(fèi)時(shí)間。It'suselessdoingsth.做某事沒用。It'snogood/nouse/fundoingsth.做某事沒好處/沒用/無趣。情景導(dǎo)學(xué)4Thereisnodenyingthattheenvironmentisgraduallyworsening.不能否認(rèn)環(huán)境正在逐步惡化。it用法歸納4當(dāng)句型“Therebeno...”表示“不允許、禁止某種行為的發(fā)生或存在”時(shí),需用動(dòng)名詞

作主語。二、動(dòng)名詞的復(fù)合結(jié)構(gòu)作主語情景導(dǎo)學(xué)Hercomingtohelpencouragedallofus.她來幫忙鼓舞了我們所有人。Jane'sbeingcarelesscausedsomuchtrouble.簡的粗心惹來了這么多麻煩。用法歸納動(dòng)名詞的復(fù)合結(jié)構(gòu)作主語時(shí),其邏輯主語常用④

或⑤

。三、動(dòng)名詞作主語與不定式作主語的區(qū)別情景導(dǎo)學(xué)LearningEnglishisnoteasy.學(xué)習(xí)英語不容易。Tolietoheriswrong.對(duì)她撒謊是不對(duì)的。用法歸納動(dòng)詞不定式作主語多指某次具體的、一次性的行為;動(dòng)名詞作主語則表示泛指的、一般的行為。名詞所有格形容詞性物主代詞即時(shí)鞏固講單句語法填空1.(2023新課標(biāo)Ⅱ)Besides,

(work)inthegardenseemstohaveacalmingeffecton

Jaramillo'sspecialeducationstudents,manyofwhomhaveemotionalcontrolissues.2.(2022全國乙)Withbusyschedules,

(squeeze)inphonecallscanbeachallenge.3.(2022新高考Ⅱ)

(write)anessayisadifficultprocessformostpeople.4.(2022新高考Ⅰ)Producingfoodthatnooneeats

(waste)thewater,fuel,andotherresourcesusedtogrowit.5.(2022全國乙)Helpingthenextgenerationtohaveahealthyandactivechildhood

(be)ofgreatimportance,andtheindustryisplayingitspart.6.(2022全國甲)

(know)sometipswillhelpensurethatyouhaveanenjoyablemealwithfriendsorfamily.7.(2022全國乙)Simply

(keep)adiarythatkeepstrackoffriends'birthdaysandother

importantdateswillmakesurenothingslipsbyyou.8.There'sno

(say)whenhemadehismotheranxiousandangry.9.Moststudentsthinkitisawasteoftime

(surf)theInternet.10.I'mmorethangratefultosaythattheir