명령형(myeong-ryeong-hyeong, myeongryeonghyeong)
A grammatical form that directly demands or orders someone to act
When to use
Direct command, Hierarchy relations, Official orders
The nuance
Myeongryeonghyeong is used when strongly demanding action from someone, often from a superior to a subordinate or in official contexts. Typical endings include '-아/어라' and '-십시오'.
청유형(cheong-yu-hyeong, cheongyuhyeong)
A grammatical form used to suggest or invite someone to do something together
When to use
Joint action proposal, Friendly invitation, Peer conversation
The nuance
Cheongyuhyeong is used to propose or invite someone to act together, typically ending with '-자'. It indicates a soft suggestion rather than a command.