YOU SAID:
I always have coffee while I watch radar
INTO JAPANESE
私はレーダーを見ながらコーヒーはいつも持っている
BACK INTO ENGLISH
I always have coffee while watching the radar
INTO JAPANESE
私はいつもレーダーを見ながらコーヒーを持っています
BACK INTO ENGLISH
I always have coffee while watching the radar
You've done this before, haven't you.