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