YOU SAID:
I would not write this sentence right now if I was not that bored
INTO JAPANESE
そんなに退屈じゃなかったら、今この文章を書かないだろう
BACK INTO ENGLISH
If it wasn't so boring, I wouldn't be writing this sentence now.
INTO JAPANESE
そんなにつまらなかったら、今この文章を書いていなかったでしょう。
BACK INTO ENGLISH
If it wasn't so boring, I wouldn't be writing this sentence now.
You've done this before, haven't you.