-아/어야 하다
-a/eoya hada
Not because you want to — because it's been set on you
The picture Someone has set a stone on your shoulder. You move because of the weight. Only the identity of whoever set it there changes.
Where the picture shows up in -아/어야 하다
-
a deadline set it there
내일까지 보고서를 내야 해요.
nae-il-kka-ji bo-go-seo-reul nae-ya hae-yo
I have to turn the report in by tomorrow.
-
a rule set it there
여기서는 신발을 벗어야 해요.
yeo-gi-seo-neun sin-ba-reul beo-seo-ya hae-yo
You have to take your shoes off here.
-
your body set it there
약을 하루 세 번 먹어야 해요.
ya-geul ha-ru se beon meo-geo-ya hae-yo
I have to take the medicine three times a day.
-
the lighter, spoken stone
지금 출발해야 돼요.
ji-geum chul-bal-hae-ya dwae-yo
I have to get going now.
-야 돼요 is the everyday spoken version and sounds a touch lighter.
-
a goal set it there
합격하려면 매일 공부해야 해요.
hap-gyeo-ka-ryeo-myeon mae-il gong-bu-hae-ya hae-yo
If I want to pass, I have to study every day.
Paired with -려면, the stone is the one your own goal put there.