A verb ending expressing future speculation, suggestion, or question
When to use
Making suggestions, Speculating about the future, Expressing personal consideration
The nuance
Attach '-을까' if the verb stem ends with a consonant, '-ㄹ까' if it ends with a vowel. It has three main uses: 1) to ask for opinions or make suggestions, 2) to express one's own consideration about an action, 3) to express speculation or question about the future.
