YOU SAID:
I have to go peepeepoopoo
INTO JAPANESE
私はおしっこをしに行かなければならない
BACK INTO ENGLISH
I have to go pee.
INTO JAPANESE
私は行かなければならない。
BACK INTO ENGLISH
I have to go.
INTO JAPANESE
私は行かなければならない。
BACK INTO ENGLISH
I have to go.
Come on, you can do better than that.