YOU SAID:

Yesterday i ate a fish with some potatoes

INTO JAPANESE

昨日ジャガイモと一緒に魚を食べた

BACK INTO ENGLISH

I ate a fish yesterday with a potato

INTO JAPANESE

私は昨日ジャガイモで魚を食べました

BACK INTO ENGLISH

I ate fish with potato yesterday

INTO JAPANESE

私は昨日ジャガイモと一緒に魚を食べました

BACK INTO ENGLISH

I ate fish with potato yesterday