-(으)ㄹ래

In Korean, the suffix -(으)ㄹ래 is used to discuss the intent or will to do something.In grammatical jargon, -(으)ㄹ래 could be called a desiderative suffix, or a particular kind of irrealis future tense suffix. When used inquisitively, it can translate to "do you want to..?" in English. When used declaratively, it expresses "I want to...," or "I am going to...".

Making polite requests

-(으)ㄹ래 can also be used to politely make requests.

이 문제 풀어볼래?

(by a tutor to a student) Do you want to try solving this problem?

References