YOU SAID:

i am very lazy and so i'm not listening in my lessons

INTO JAPANESE

私はとても怠け者なので、レッスンを聞いていません

BACK INTO ENGLISH

I'm so lazy that I haven't listened to the lessons

INTO JAPANESE

私はとても怠惰なので、レッスンを聞いたことがありません

BACK INTO ENGLISH

I'm so lazy that I've never heard a lesson

INTO JAPANESE

私はとても怠惰なので、レッスンを聞いたことがありません

BACK INTO ENGLISH

I'm so lazy that I've never heard a lesson