YOU SAID:

i think i will have to go find my pants in the pool

INTO JAPANESE

プールでパンツを探しに行かなければならないと思う

BACK INTO ENGLISH

I think I have to go to the pool looking for pants

INTO JAPANESE

私はズボンを探してプールに行かなければならないと思います

BACK INTO ENGLISH

I think I have to go to the pool looking for pants