(a) If I didn't have to clean the house, I would go to the market early. (b) If I have to clean the house, I will go to the market early. (c) If I hadn't have to clean the house, I would have gone to the market early. (d) If I don't have to clean the house, I would goone to the market early.
Respuesta:
(A) If I didn't have to clean the house, I would go to the market early.
Explicación:
second conditional structure: IF + SIMPLE PAST + SUBJET+ WOULD/WOULDN'T + INFINITIVE VERB
Espero haber ayudado! :)