YOU SAID:

My mum said I can’t eat my chips until I have finished feedings the cat and fish

INTO JAPANESE

私の母は、私が猫と魚に餌を与え終わるまで私のチップスを食べることができないと言った

BACK INTO ENGLISH

My mother said she couldn't eat my chips until I finished feeding the cat and the fish

INTO JAPANESE

私の母は、私が猫と魚に餌を与え終わるまで、彼女は私のチップを食べることができないと言いました

BACK INTO ENGLISH

My mother said she couldn't eat my chips until I finished feeding the cat and the fish