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 O T O R S D N E D U 2 (V2)Past Simple of WAKE UP K E O W P U 3 (V2)Past Simple of WEAR E O R W 4 (V2)Past Simple of WIN W N O 5 (V2)Past Simple of WRITE T R E O W 6 (V3)Past Participle of UNDERSTAND O E T O N R D U D S 7 (V3)Past Participle of WAKE UP W E P O N K U 8 (V3)Past Participle of WEAR O R W N 9 (V3)Past Participle of WIN N O W 10 (V3)Past Participle of WRITE T I T W R N E 11 (V1)Base form: ENTENDER A T S N D E N R D U 12 (V1)Base form: DESPERTAR(SE) K P E U A W 13 (V1)Base form: LLEVAR PUESTO; PONERSE W R A E 14 (V1)Base form: GANAR W N I 15 (V1)Base form: ESCRIBIR R E T I W