YOU SAID:

I can't wait to go grocery shopping today

INTO JAPANESE

私は今日買い物に待つことができません。

BACK INTO ENGLISH

I can't wait to shop today.

INTO JAPANESE

今日買い物するを待つことはできません。

BACK INTO ENGLISH

Buy today, can't wait.

INTO JAPANESE

今日購入、待つことができません。

BACK INTO ENGLISH

You can't wait, buy today.

INTO JAPANESE

待って、今日購入することはできません。

BACK INTO ENGLISH

You can't wait, buy today.