YOU SAID:

How long do we have have to keep doing this. I'm getting tired.

INTO JAPANESE

いつまでこれを続けなければならないのか。私は疲れてきました。

BACK INTO ENGLISH

How long do we have to keep doing this? I've been tired.

INTO JAPANESE

いつまでこれを続けなければならないのか?私は疲れていた。

BACK INTO ENGLISH

I was tired.

INTO JAPANESE

私は疲れた。

BACK INTO ENGLISH

I was tired.