YOU SAID:

My dog might have gone to the shop, and bought some ham

INTO JAPANESE

私の犬は店に行ってハムを買ったかもしれない

BACK INTO ENGLISH

My dog may have gone to the store and bought a ham.

INTO JAPANESE

私の犬は店に行ってハムを買ったのかもしれません。

BACK INTO ENGLISH

My dog may have gone to the store and bought some ham.

INTO JAPANESE

私の犬は店に行ってハムを買ったのかもしれません。

BACK INTO ENGLISH

My dog may have gone to the store and bought some ham.