YOU SAID:
Duplicating the birds is going to be illegal by Thursday.
INTO JAPANESE
木曜日に鳥を複製することは違法となるだろう。
BACK INTO ENGLISH
It is illegal to duplicate birds on Thursday.
INTO JAPANESE
木曜日に鳥を複製することは違法です。
BACK INTO ENGLISH
It is illegal to duplicate birds on Thursday.
You've done this before, haven't you.