Expression for future speculation, suggestions, or asking someone's opinion
When to use
Making suggestions, Asking for opinions, Speculating about the future
The nuance
Attach '-(으)ㄹ까요' to the verb stem. Use '-을까요' if the stem ends with a consonant, '-ㄹ까요' if it ends with a vowel. It has three main uses: 1) making suggestions or offers (Shall we do it together?), 2) asking for opinions (What shall we do?), 3) speculating about the future (Will it rain?).
