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