must do
have to do
Structure
- Verb[な
い] + ければ・ならない
[long form・usually expresses duty or necessity due to widely-accepted moral norms, law, etc.]
[いけない = neutral・ならない = formal/written]
must do
have to do
Structure
- Verb[な
い] + ければ・ならない
[long form・usually expresses duty or necessity due to widely-accepted moral norms, law, etc.]
[いけない = neutral・ならない = formal/written]