YOU SAID:

I need to do grocery shopping.

INTO JAPANESE

食料品買い物をする必要があります。

BACK INTO ENGLISH

We need to shop for groceries.

INTO JAPANESE

私たちは食料品を買う必要があります。

BACK INTO ENGLISH

We need to buy groceries.

INTO JAPANESE

私たちは食料品を購入する必要があります。

BACK INTO ENGLISH

We need to buy groceries.