YOU SAID:
Back in my day, you could not watch television on your mirrors
INTO JAPANESE
昔、鏡でテレビを見ることができなかった
BACK INTO ENGLISH
A long time ago I couldn't watch TV in the mirror
INTO JAPANESE
昔、鏡でテレビを見ることができませんでした
BACK INTO ENGLISH
A long time ago I couldn't watch TV in the mirror
That didn't even make that much sense in English.