YOU SAID:

What is it supposed to do

INTO JAPANESE

それはすべきです。

BACK INTO ENGLISH

It should be.

INTO JAPANESE

それはする必要があります。

BACK INTO ENGLISH

You need it to.

INTO JAPANESE

あなたはそれを必要があります。

BACK INTO ENGLISH

You'll need it.

INTO JAPANESE

あなたはそれを必要があります。

BACK INTO ENGLISH

You'll need it.