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