Ingeneral,bothitisIandit’smearevalidwaysofintroducing yourself.It’sjustthatitisIismoreformal,andcansoundold fashionedtothemodernear.It’smeismorecasualandrelaxed,and you ’remorelikelytohearitinpresent-dayconversations.
ItisI(formalcontext) Itisme(informalstyle)
WeuseIafterlinkingverbslike is,was,were,whichdescribea stateofbeingratherthanan action.Aftertheseverbs,weuse subjectpronounssuchas“I,” “she,”“he,”“they,”and“we.”
However,ItisIisveryformal andold-fashionedandwould soundpompousoraffectedin speech.That’swhyalmost everyonesays,Itismeandwhy theItisIconstructionisalmost extinct.
ItisIshewishestosee tonight.
PerhapsitisIwhoshouldstay.
IsthisJoe?–ItisI.
Itisme(orit’sme)isconsidered aninformalstyle.Today,most nativeEnglishspeakersuseItis meinsteadofItisI.
Meisanobjectpronounwhich meansthatit’sonthereceivingend oftheactioninasentence.Theuse ofmeinthephraseItismeisn’t typicalusageofthepronoun,since thereisnoactiontoreceive.
It’sme.Canyouopenthedoor? Ihaven’tgotmykey.
“Who'sthere?”“It’sonlyme.”
Hello,it’sme,John.
OTHEREXAMPLES
ThatisIwhenIwasseven.
Thisiswewhenwewerekids.
Thatishe.That’sthemanIsaw.
That’smewhenIwasseven.
Thisisuswhenwewerekids.
That’shim.That’sthemanIsaw.