하도 A/V+아/어서 ~ very (much), too (much)

An interesting grammar point today~  하도 means very (much) or too (much).  Then 하도 A/V+아/어서 is used to say “something/one is very … so …”.

Examples
집에 있다가 하도 심심해서 혼자 시장에 쇼핑했어요.
I was at home but got so bored, I went shopping at the market by myself.
하도 바빠서 밥 먹을 시간조차 없었어요.
I was so busy even to eat.