IfIsawhim,Iwouldbeveryhappy.Ifhewereherenow,wewouldaskhimaboutit.IfIwereyounow,Iwouldquarrelwithhim.IfIhadtimetoday,Iwouldgowithyou.IfIhadseenhim,Iwouldhavebeenveryhappy.Ifhehadbeenthen,wewouldhaveaskedhimaboutit.IfIhadbeenyouthen,Ishouldn’thavequarrelledwithhim.IfIhadhadtimeyesterday,Iwouldhavegonewithhim.IfIsawhimtomorrow,Iwouldbeveryhappy.Ifheshouldbeheretomorrow,wecouldaskhimabouthim.IfIshouldhavetimetomorrow,Iwouldgowithyou.IfIhadseenhimthen,Iwouldhavebeenveryhappy.IfIshouldhavetime,Iwouldgowithyou.IfIwereyoutomorrow,Ishouldn’tquarrelwithhim.Tomwouldbealivetodayifthedoctorhadcomesoonerlastnight.Ifhehadfollowedthedoctor’sadvicethen,hewouldbequiteallrightnow.IfIwereyounow,Iwouldhavegonetothetheatreyesterday.Ifyouhadstudiedhardatthattime,youwouldbeacollegestudentnow.Butfor/withoutyourhelpyesterday,Icouldn’thavedoneitwell.IfIhadn’thadyourhelpyesterday,Icouldn’thavedoneitwell.WishIfonly1.Would/could/might/+v2.~ed3.had+ppcouldhave+ppIwishhecouldvisitustomorrow.hevisitedustoday.hehadvisitedusyesterday.hecouldhavevisitedusyesterday.Hewouldrathervisitusthanstayathome.Iwouldratherhevisitedustoday.hevisitedustomorrow.hehadvisitedusyesterday.Itisnatural,important,necessary,surprising,strange,funny,suggested,requested,ordered,arranged,decided,apity,ashame,nowondertthatsbshould+dosth•Iwouldrathergohome.•Iwouldratherhavegonethen.•Iwouldrather(that)he__went___home.InsistpersistAdvisesuggestproposeAskorderdemandcommandrecommendrequirerequestDesireurge•Hesuggestedthatweshouldgohome.•Suggestion•Itismy~thatwegohome.•My~isthathegohome.•Ilikehis~thathegohome.•thathegaveme.AsifAsthough~ed(现在)hadpp(过去)could/would/might+V(将来)过去进行（与现在正在进行）Itlooksasifhewere10yearsyoungertoday.aghostwererunningafterhimnow.hehadn’thadamealforaweek.hecouldliveforanothercentury.Thevoicesoundsasifitwerewaterfrommountains.Itistimethatweputanendtothesillyargument.Itistimethatweshouldgetup.sothatinorderthat1.speakclearlysothattheymayunderstandyou.2.IhiredaboatsothatIcouldgofishing.3.Helookeddownsothatnooneshouldrecognizehim.Mayyoubehappy.Mayyouhavealongandhappylife.Mayyoustayyoung.Mayourfriendshiplastforever.Hemighthavegivenyoumorehelp,eventhoughhewasverybusy.Theplantisdead.MaybeIshouldhavegivenmoretime.Ididn’thireacarbecauseitwassonearandIdidn’tneedtodoso.1.Hewastohavecomehereyesterday,buthehadanimportantmeetingtoattend.2.Theplanewantstohavetakenoffat6,butsthwaswrong.3.Wewouldliketohavegonetoseethefilm,butwehadn’ttime.4.Iwouldlovetohavegonetothecinemathatday,buttheticketswereallsoldout.Shehadintendedtocomeearly,butthebuswaslate.Wehadhopedtocatchthetrain,butwefailedto.Wehopedtohavecaughtthetrain,butwefailedto.Theyexpectedtohavegotwhattheyneeded,buttherewasnothingthere.Hadbetterhave+ppHadbetternothave+PPWehadfarbetterhaveboughttheotherone.Youhadbetternothavestayedthere.wouldratherhave+ppwouldrathernothave+ppShewouldratherhavebeenapainter.A:Didyoucriticizehimforamistake?B:yes,butI’drathernothavedone.•without,butfor,butthat,otherwise,or,but•Withoutyourhelp(=Ifwehadnothadyourhelp),wecouldnothavesucceeded.Butforelectricity(=Iftherewerenoelectricity),therewouldbenomodernindustry.Hewashavingameeting;otherwisehewouldhavecomeovertohelpus.Hefeltverytiredyesterday,orhewouldhaveattendedtheparty.
