Norwegian Verbs Conjugation 1

The Past is the same as the Past Participle. Add -t to the infinitive. Alternative form in -a.

In other words, add -et to the stem. The stem is what we are left with when we take away the -e of infinitive, e.g., danse has the stem dans-.  

The stem of verbs in this conjugation typically ends in two or more consonants:
banket 'knocked', behandlet 'treated', blinket 'flashed', danset 'danced', dyrket 'cultivated', elsket 'loved', flyttet 'moved', grillet 'griled', hentet 'fetched', husket 'remembered', kastet 'threw', klippet, 'cut', landet 'landed', lenget 'longed (for)', lokket 'lured', løsnet 'loosened, came loose', merket 'noticed', ordnet 'arranged', orket 'had the strength to', passet 'watched out for', rastet 'rested', regnet 'rained', ristet 'shook', ruslet 'wandered', ryddet 'tidied', savnet 'missed', sjekket 'checked', skye (over) 'clouded (over)', slappet (av) 'relaxed', snakket, 'talked', stemplet 'stamped, validated', stoppet, 'stopped', tisset 'peed', tullet 'talked nonsense', vanket 'hung out, frequented', ventet 'waited', viftet 'waved', øsregnet 'poured rain', åpnet 'opened'

Or, the stem ends in d, g, v:
arbeidet 'worked', beklaget 'was sorry', lavet 'made', lovet 'promised', plaget 'bothered', skadet 'hurt'

Note: feiret 'celebrated', gruet (also grudde) seg 'dreaded', håpet 'hoped', pratet 'chated'