Unscramble Letters 17. IRREGULAR VERBS: SING, SINK, SIT, SLEEP, SMELL.Online version Practice Base Form, Past Simple and Past Participle of Irregular Verbs in English. by PONCE MAYOR Isabel 1 (V2)Past Simple of SING S N G A 2 (V2)Past Simple of SINK A K N S 3 (V2)Past Simple of SIT A T S 4 (V2)Past Simple of SLEEP P E L S T 5 (V2)Past Simple of SMELL D / L M E M T L E E L S S 6 (V3)Past Participle of SING S G N U 7 (V3)Past Participle of SINK N K U S 8 (V3)Past Participle of SIT T A S 9 (V3)Past Participle of SLEEP E L T P S 10 (V3)Past Participle of SMELL E E / T S D M S M E L L L 11 (V1)Base form: CANTAR G I S N 12 (V1)Base form: HUNDIRSE N S K I 13 (V1)Base form: SENTARSE S T I 14 (V1)Base form: DORMIR L E S E P 15 (V1)Base form: OLER E S L M L