Unscramble Letters 21. IRREGULAR VERBS: UNDERSTAND, WAKE UP, WEAR, WIN, WRITE.Online version Practice Base Form, Past Simple and Past Participle of Irregular Verbs in English. by PONCE MAYOR Isabel 1 (V2)Past Simple of UNDERSTAND T N D D O E O R S U 2 (V2)Past Simple of WAKE UP W P O K U E 3 (V2)Past Simple of WEAR E W R O 4 (V2)Past Simple of WIN W N O 5 (V2)Past Simple of WRITE W R E O T 6 (V3)Past Participle of UNDERSTAND U D N O E R O T S D 7 (V3)Past Participle of WAKE UP W U O P N K E 8 (V3)Past Participle of WEAR R N W O 9 (V3)Past Participle of WIN W N O 10 (V3)Past Participle of WRITE W E I T T R N 11 (V1)Base form: ENTENDER S T D N R D A E U N 12 (V1)Base form: DESPERTAR(SE) K U E P W A 13 (V1)Base form: LLEVAR PUESTO; PONERSE A R W E 14 (V1)Base form: GANAR I W N 15 (V1)Base form: ESCRIBIR R W E I T