YOU SAID:

i went to the store to buy a chicken

INTO JAPANESE

私はチキンを買うために店に行きました

BACK INTO ENGLISH

I went to the store to buy chicken

INTO JAPANESE

私はチキンを買いに店に行きました

BACK INTO ENGLISH

I went to the shop to buy chicken

INTO JAPANESE

私はチキンを買うために店に行きました

BACK INTO ENGLISH

I went to the store to buy chicken

INTO JAPANESE

私はチキンを買いに店に行きました

BACK INTO ENGLISH

I went to the shop to buy chicken