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 G N A S 2 (V2)Past Simple of SINK A S N K 3 (V2)Past Simple of SIT T A S 4 (V2)Past Simple of SLEEP L S P E T 5 (V2)Past Simple of SMELL L L / S D E M M S L E T E 6 (V3)Past Participle of SING S G U N 7 (V3)Past Participle of SINK K S N U 8 (V3)Past Participle of SIT A T S 9 (V3)Past Participle of SLEEP S P T L E 10 (V3)Past Participle of SMELL M / E M L T E L D S L E S 11 (V1)Base form: CANTAR G S I N 12 (V1)Base form: HUNDIRSE S N K I 13 (V1)Base form: SENTARSE T I S 14 (V1)Base form: DORMIR E L S E P 15 (V1)Base form: OLER M L E L S