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