Unit 1 Laughter is good for you Grammar and usage 课件

《Unit 1 Laughter is good for you Grammar and usage 课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit1LaughterisgoodforyouGrammarandusageTheinfinitive,verb-ingandverb-edarecallednon-finiteverbs.Theycanfunctionasdifferentelementsinthesentence.Thetoinfinitiveandverb-ingformscanbeusedasthesubjectofasentence.Thetoinfinitiveandverb-ingformscanbeusedasthesubjectofasentence.Whenw

2、etalkaboutageneralidea,wesometimesusetheverb-ingformasthesubject.Toseeistobelieve.Laughinghelpsyourbodystayhealthyandcanevenhelpyoufightpain.Whenthesubjectisatoinfinitive,wecanusethepreparatorysubjectitatthebeginningofthesentence.Itisimportanttorespectpeople.Afterit’snouse/good,

3、weoftenusetheverb-ingformastherealsubject.It’snousecryingoverspillmilk.It’snogoodworryingaboutit.Wecanusefor+objectpronounbeforethetoinfinitiveasitslogicalsubject.It’snecessaryformetoknowhowtousethecomputer.2.Non-finiteverbscanbeusedastheattributive.Whenusedastheattributive,thet

4、oinfinitiveoftenreferstoanactionthatwillhappeninthefuture,theverb-ingformoftenreferstoanactionthatcontinuing,andtheverb-edformoftenreferstoapastactionorexpressespassivemeaning.Ihavesomeletterstowrite.Themanperformingonstageisafamouscomedian.Johntookmanyphotosofleavesfallentotheg

5、round.In1975,GeorgeBurnsactedinafilmcalledTheSunshineBoys.Weusebeing+verb-edtoformthecontinuouspassive.Theundergroundsystembeingbuiltinthecitywillbeopennextyear.Whenthetoinfinitiveisusedastheattributive,thenounthatitmodifiesisoftenthelogicalobjectofthetoinfinitive.Sometimestheno

6、uncanbeitslogicalsubject,orusedinapposition.WhenJackwasyoung,hehadnofriendstoplaywith.Tomisoftenthefirstonetoarriveatschool.YoucanexpecttohearalotmorefromBillyCrystal–hehasnoplanstostopmakingfilms.3.Non-finiteverbscanbeusedastheobjectcomplementinthesentence.Inthiscase,thetoinfin

7、itiveoftenreferstoanactionthatistakingplace,andtheverb-edformhaspassivemeaning.Weinviteyoutowatchourperformancetomorrowevening.Theycouldonlyseehimstandingtheremovinghislips.Aftergettingoffthestage,theactorfeltagreatweightliftedfromhim.AnswerstoexerciseAonpage91laughing2tounderst

8、and3participating4produced5enjoying6readingAnsw