YOU SAID:

We have to build a wall.

INTO JAPANESE

我々 は壁を構築する必要があります。

BACK INTO ENGLISH

Should we build walls.

INTO JAPANESE

壁を構築する必要があります。

BACK INTO ENGLISH

You need to build a wall.

INTO JAPANESE

壁を構築する必要があります。

BACK INTO ENGLISH

You need to build a wall.