YOU SAID:

My grandmother caught me when i was smoking

INTO JAPANESE

たばこを吸っていたとき、私の祖母は私をつかまえた

BACK INTO ENGLISH

My grandmother caught me when to smoke

INTO JAPANESE

私の祖母は私をつかまえたときの煙に

BACK INTO ENGLISH

My grandmother when I caught smoke

INTO JAPANESE

私の祖母は、私は煙をキャッチ

BACK INTO ENGLISH

My grandmother, I caught smoke

INTO JAPANESE

私の祖母は、私は煙をキャッチ

BACK INTO ENGLISH

My grandmother, I caught smoke