YOU SAID:
the constitution of this country forbids me to do that
INTO JAPANESE
この国の憲法は私にそれをすることを禁じている
BACK INTO ENGLISH
The constitution of this country prohibits me from doing it.
INTO JAPANESE
この国の憲法は私がそれを行うことを禁じている。
BACK INTO ENGLISH
The constitution of this country prohibits me from doing it.
That didn't even make that much sense in English.