'stipisondistinguishing“can”and“cannot”inspokenAmericanEnglish.“Cannot”isusuallycontractedto“can't”.SomanylearnersofEnglishassumethatinordertodistinguishbetween“can”and“can't”,onemustlistenforthefinal“t”sound/t/.Andwhenspeaking,onemustpronouncefinal‘t’sound/t/,thisisnotinfacthownativespeakersdistinguish“can”and“can't”.Peopledonotsay‘I`candriveacar,butIcan’tdriveamotorcycle.’Peoplesay‘Ican`driveacar',butI`can'tdriveamotorcycle.’Thedifferencebetween“can”and“can't”isinstress.“Can”isnotstressed,theverbafteritis.“Can't”‘can’isnotstressed,thevowelisreducedto/a/,so“can”isactuallypronounced“can”.Listentoanotherexample.“I`can'tgoonSaturday,butIcan`goonSunday.”Didyouhearthe't'sound?Didyounoticethedifferencewordsbeingstressed?Listeningagain.“I`can'tgoonSaturday,butIcan`goonSunday.”Ifyouwanttounderstandwhethersomeoneissayinghecanorcan'tdosomething,youhavetobelisteningforastressed“can't”oraverbstressedafter“can”.Whatdoesthismean?“Ican`speakJapanese,butI`can'tspeakTaiwanese.”That'sright,IcanspeakJapanese,`canhelpyou,,youcanstress“can't”,butyou`can'tstress“can”.Thishasbeentoday'’,andunstressedsyllablesarepronouncedmoresoftly,,thisdifferencecanbethedifferencebetweenaverbandanoun,`addict,a`ddict,`convict,con`vict,`perfect,per`,,’slooksomeexamplesmoreclosely.`
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