YOU SAID:
my friend went to the shop to buy a drink.
INTO JAPANESE
私の友達は店に飲み物を買いに行きました。
BACK INTO ENGLISH
My friend went to the store to buy a drink.
INTO JAPANESE
私の友達は店に飲み物を買いに行きました。
BACK INTO ENGLISH
My friend went to the store to buy a drink.
That didn't even make that much sense in English.