YOU SAID:

I just had too much juice so I have to go to the toilet bye

INTO JAPANESE

ジュースが多すぎたのでトイレに行かなければならない

BACK INTO ENGLISH

I had to go to the bathroom because there was too much juice

INTO JAPANESE

ジュースが多すぎてトイレに行かなければなりませんでした

BACK INTO ENGLISH

Too much juice and had to go to the toilet

INTO JAPANESE

ジュースが多すぎてトイレに行かなければならなかった

BACK INTO ENGLISH

Too much juice and had to go to the toilet