YOU SAID:

Please pass the mashed potatos

INTO JAPANESE

マッシュポテトを渡してください

BACK INTO ENGLISH

Please give me the mashed potatoes.

INTO JAPANESE

マッシュポテトをください。

BACK INTO ENGLISH

I've had mashed potatoes, please.

INTO JAPANESE

マッシュポテトをお願いします。

BACK INTO ENGLISH

I'd like mashed potatoes, please.

INTO JAPANESE

マッシュポテトをお願いします。

BACK INTO ENGLISH

I'd like mashed potatoes, please.