Unit+3+Fascinating+Parks+Using+Language动词-ing+形式作主语+课件 高中英语人教版（2019）选择性必修第一册

动词-ing形式作主语动词-ing形式作主语动词-ing形式作主语时叫动名词,相当于名词。一、动名词作主语的用法和注意事项情景导学1Readingaloudisagoodwaytolearnalanguage.朗读是学习语言的一种好方法。Wastingaperson'stimeisthesameaskillinghimforhisproperty.浪费一个人的时间无异于谋财害命。用法归纳1动名词(短语)作主语时,往往表示经常性、习惯性的动作或抽象的概念,通常置于句首。情景导学2Climbingmountainsisreallydifficultfortheold.对于老年人来说爬山确实困难。Weallknowthatgoingtobedearlyandgettingupearlyisagoodhabit.我们都知道早睡早起是一个好习惯。ListeningtotheEnglishtapesandwatchingEnglishfilmsaregoodwaystolearnEnglish.听英文磁带和看英文电影是学英语的好方法。用法归纳2单个动名词(短语)作主语时,谓语动词用①

形式;当两个或两个以上的动名词(短

语)作主语时,若表示的是一个整体意义,谓语动词用单数形式,若表示的是彼此独立的意义,

谓语动词用②

形式。情景导学3Itisnousewaitingforotherpeopletomakedecisionsforyou.等别人替你做决定是没有用的。单数复数用法归纳3有些句子为了保持平衡,避免“头重脚轻”,常用③

作形式主语,而把作真正主语的

动名词(短语)后置。常见句式有:It'sawasteoftimedoingsth.做某事是在浪费时间。It'suselessdoingsth.做某事没用。It'snogood/nouse/fundoingsth.做某事没好处/没用/无趣。情景导学4Thereisnodenyingthattheenvironmentisgraduallyworsening.不能否认环境正在逐步恶化。it用法归纳4当句型“Therebeno...”表示“不允许、禁止某种行为的发生或存在”时,需用动名词

作主语。二、动名词的复合结构作主语情景导学Hercomingtohelpencouragedallofus.她来帮忙鼓舞了我们所有人。Jane'sbeingcarelesscausedsomuchtrouble.简的粗心惹来了这么多麻烦。用法归纳动名词的复合结构作主语时,其逻辑主语常用④

或⑤

。三、动名词作主语与不定式作主语的区别情景导学LearningEnglishisnoteasy.学习英语不容易。Tolietoheriswrong.对她撒谎是不对的。用法归纳动词不定式作主语多指某次具体的、一次性的行为;动名词作主语则表示泛指的、一般的行为。名词所有格形容词性物主代词即时巩固讲单句语法填空1.(2023新课标Ⅱ)Besides,

(work)inthegardenseemstohaveacalmingeffecton

Jaramillo'sspecialeducationstudents,manyofwhomhaveemotionalcontrolissues.2.(2022全国乙)Withbusyschedules,

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

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

(waste)thewater,fuel,andotherresourcesusedtogrowit.5.(2022全国乙)Helpingthenextgenerationtohaveahealthyandactivechildhood

(be)ofgreatimportance,andtheindustryisplayingitspart.6.(2022全国甲)

(know)sometipswillhelpensurethatyouhaveanenjoyablemealwithfriendsorfamily.7.(2022全国乙)Simply

(keep)adiarythatkeepstrackoffriends'birthdaysandother

importantdateswillmakesurenothingslipsbyyou.8.There'sno

(say)whenhemadehismotheranxiousandangry.9.Moststudentsthinkitisawasteoftime

(surf)theInternet.10.I'mmorethangratefultosaythattheir