YOU SAID:
John went to the store to get some pickles
INTO JAPANESE
ジョンはピクルスを買いに店に行った
BACK INTO ENGLISH
John went to the store to buy pickles.
INTO JAPANESE
ジョンはピクルスを買いに店に行きました。
BACK INTO ENGLISH
John went to the store to buy pickles.
That didn't even make that much sense in English.