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1、SimplePastFormShowpasttimeThesimplepastformismostlyusedshowactionsorstatesinapaticularpasttime.Forexample,Wevisitedafactorylastfriday.Helefttenminutesago.Thistownwasonceabeautifulspot.BeforeliberationwelivedinBeijing.Itcanalsobeusedtoshowus--ualactionsinthepast.For
2、examp--le,Inthosedays,theysowedwheatbyhands.Heworkedinabankallhislife.Hehasgivenupsmoking,butayearagohesmoked100cigaret--tesaweekThepasttimeshowedbythesimlepastformdoesn'tconcernpresenttime.Therefore,theactionsorstatesdon'texistnow.Forexamle,(Inthesetwoexamples,you
3、canfindthediffrence)HisfatherwasanEnglishteacherallhislife.(Thefatherhasdied)Hisfatherhasbeenanenglishteacherallhislife.(Thefatherstilllives)HelivedinShaiHaifortwentyyears.(Hehasn'tbeeninShanghainow)HehaslivedinShanhaifortwentyyears(Hemaystilllivethere,butalsomayno
4、t)ShowpresenttimeandfuturetimeThesimplepastformalsocanbeusedinparticularstrctures toshowpresenttimeandpasttime,alwayspresentingverygentletoneandimaginations.Andit'smostlyusedinsuchcases:a)Presentgentletone.Forexample,A:didyouwantme?B:Yes,Iwonderedifyoucouldgivemeso
5、mehelp.Butthisusageisjustlimitedinsomewords,suchaswant,wonder,think,hopeb)Inthestructures,asIt'stimethat...,Iwishthat...,I'dratherthat...,it'susedtoshowimagination.Forexamle,It'stimeyouhadaholiday.Iwishedyoulivedclosertous.Ifonlyhedidn'tdrivesofast!Thethreeabove-me
6、ntionedexamplesshowtheimaginati-onwhichrunscontrarytothefact.Lookthefollowingfourexamples,IfIhadthemoneynow,I'dbuyacar.Ifyouwentataboutfivea'clocktomorrow,youcouldseehimbeforeheleft.I'dratheryouwentnowA:ShallIopenthedoor?B:I'dratheryoudidn't.Pastformusedinthesefour
7、examplestoshowtheimaginationofthefutureoroppositingthereality.Thewordsinitalicscannotbechan--gedtothepresentparticipateformSurposetheydidn'tbelieveinit,howshoudweconvincethem?Surposefathersawyoudothat,whatwouldhesay?SurposewespentnextweekinBrighton?Helooksasifhewas
8、sick.Thelattertwoexamplesshoudconvertedtothepresentparticipateform,butthemeaningisalittlediffrent.Thethirdshowsuggestions,thePastformismuchmorege
