me,thenextshuttlebusmaynotgetustotheairportontime.Ifthatflightleftanhourlater,wewouldn’thavetogettotheairportsoearlytomorrowmorning.Hewisheshehadacar,buthedoesn’thaveenoughmoneytobuyone.Therewasabigsalelastweek,soweallwentshopping.Iwishwedidn’thavetorun,butifwedon’thurry,we’llmissthenextbus.There’sgoingtobeasalenextweek,soIhopeshedoesn’tgoshoppingtomorrow.Whenwetalkaboutexperienceorresults,weusepastperfectform.Thisformuses“have”followedbytheparticiple.Forregularverbs,theseparticipleareidenticaltothepasttenseform.Forirregularverbs,theseparticipleareoftendifferent.Whenweusetheperfectform,theprimaryfocusonthesubjectofthesentence,nottheverb.Itemphasizescondition,experienceorresult,ratherthanactionsorevents.Inthesetwoexamplesweseethecontrast.Shehasalreadylefthotel.Sheleftthehotelafewminutesago.
全文预览
