Dicas de Valeria Lima

 Continuação do simple past: Irregular verbs
 
Existem ainda verbos irregulares que:

a) não mudam de forma: ( ATENÇÃO! O contexto aqui é essencial para indicar se o verbo está no simple present ou no simple past)

To cut - cortar	Cut
To hit - bater	Hit
To fit - atacar	Fit
To read - ler	Read

b) mudam uma vogal:

To get - pegar	Got
To sit - sentar	Sat
To give - dar	Gave
To drink - beber	Drank
To become - tornar (se)	Became

c) são alterados radicalmente:

To be - ser	Was / were
To bring - trazer	Brought
To teach - ensinar	Taught
To feel - sentir	Felt
To send - mandar	Sent
To take - tomar	Took
To know - saber / conhecer	Knew
To have - ter	Had
To go - ir	Went

Fonte:
http://www.colegioweb.com.br/ingles/simple-past.html