YOU SAID:

I went to the shop to buy milk.

INTO JAPANESE

私は牛乳を買いに店に行った。

BACK INTO ENGLISH

I went to the store to buy milk.

INTO JAPANESE

ミルクを買いに行った。

BACK INTO ENGLISH

I went to buy milk.

INTO JAPANESE

牛乳を買いに行った。

BACK INTO ENGLISH

I went to buy milk.