YOU SAID:

mary had a little lamb, until i killed it and ate it for dinner

INTO JAPANESE

メアリーは、私がそれを殺し、夕食のためにそれを食べるまで、少し子羊を持っていた

BACK INTO ENGLISH

Mary had a little lamb until I killed it and ate it for dinner,

INTO JAPANESE

メアリーは私がそれを殺して夕食に食べるまで少し子羊を持っていました。

BACK INTO ENGLISH

Mary had a little lamb until I killed it and ate it for dinner.

INTO JAPANESE

メアリーは私がそれを殺して夕食に食べるまで小さな子羊を持っていました。

BACK INTO ENGLISH

Mary had a little lamb until I killed it and ate it for dinner.