Question

2) Past continuous

a) I was cooking
b) I were cooking
c) I was cooked
d) I were cooked

Answer 1

Para el "Past continuous" la regla es:

Auxiliar "Was" para: I, He, She, It       ------------ Singular

Auxiliar "Were" para: You (tu,ustedes) , We, they  ------------- Plural

Rspt:  a) I was cooking