Patagonia, patagonia8: 'erbyn'

175	VIC	fydd hwnna (we)di torri erbyn xxx .
		be.V.3S.FUT+SM that.PRON.DEM.M.SG after.PREP break.V.INFIN by.PREP
		that will have broken by [...]
698	VIC	ond oedd hi (y)n bore dydd Sul erbyn hyn yn_doedd ?
		but.CONJ be.V.3S.IMPERF she.PRON.F.3S PRT morning.N.M.SG day.N.M.SG Sunday.N.M.SG by.PREP this.PRON.DEM.SP be.V.3S.IMPERF.TAG
		but it was Sunday morning by then wasn't it?