YOU SAID:

I went to the supermarket to buy a loaf of bread.

INTO JAPANESE

スーパーマーケットに行ってパンを買いに行きました。

BACK INTO ENGLISH

I went to the supermarket to buy bread.

INTO JAPANESE

スーパーにパンを買いに行きました。

BACK INTO ENGLISH

I went to the supermarket to buy bread.