Siarad, fusser23: 'dwn'

64	HEL	ohCE dwn i (ddi)m .
		IM know.1S.NONPAST.NEG PRON.1S NEG
		oh.IM know.V.1S.PRES.NEG I.PRON.1S not.ADV+SM
		oh, I don't know.
495	HEL	ohCE dwn i (ddi)m .
		IM know.1S.NONPAST.NEG PRON.1S NEG
		oh.IM know.V.1S.PRES.NEG I.PRON.1S not.ADV+SM
		oh, I don't know.
1363	AID	xx dwn i (ddi)m &pa [//] &ma [//] # pam bod o (y)n fan (hyn)ny de .
		know.1S.NONPAST.NEG PRON.1S NEG why be.NONFIN PRON.3SM PRT place that TAG
		know.V.1S.PRES.NEG I.PRON.1S not.ADV+SM why?.ADV be.V.INFIN he.PRON.M.3S PRT place.N.MF.SG+SM that.ADJ.DEM.SP be.IM+SM
		[..] I don't know why it's there, eh.
1585	HEL	ond <dwn i (ddi)m> [?] ydyn nhw (y)n cymryd rhain .
		but know.1S.NONPAST.NEG PRON.1S NEG be.3PL.PRES PRON.3PL PRT take.NONFIN these
		but.CONJ know.V.1S.PRES.NEG I.PRON.1S not.ADV+SM be.V.3P.PRES they.PRON.3P PRT take.V.INFIN these.PRON
		but I don't know if they're taking these.
1720	AID	dwn i (ddi)m nag oes ?
		know.1S.NONPAST.NEG PRON.1S NEG NEG be.3S.PRES
		know.V.1S.PRES.NEG I.PRON.1S not.ADV+SM than.CONJ be.V.3S.PRES.INDEF
		I don't know, isn't there?