YOU SAID:

i went to the store HUGE mistake

INTO JAPANESE

私は店に行きました大きな間違い

BACK INTO ENGLISH

I went to the store a big mistake

INTO JAPANESE

私は大きな間違いで店に行きました

BACK INTO ENGLISH

I went to the store with a big mistake

INTO JAPANESE

大きな間違いでお店に行きました

BACK INTO ENGLISH

I went to the store with a big mistake