V-(으)ㄹ게요

will do

Explanation

-(으)ㄹ게요 is used when the speaker wants to express a decision or intention to another person similar to a promise, and also when actually making a promise to do something with the other person. It is also used simply to express that the speaker will do something. It thus corresponds to '(I) will (do)' in English. This expression is used in colloquial language mainly among intimates. When the verb stem ends in a vowel or ㄹ, then -ㄹ 게요 is used, and when it ends in a consonant, -을게요 is used.

Details

This expression can be used only with verbs that express the will of the subject.

오늘 오후에는 바람이 불게요. ✕
(The blowing of the wind is not due to the will or intention of the wind.)
저는 이제부터 날씬할게요. ✕
(It cannot be used with adjectives.)

Only subjects in the first person can be used.

부디 씨가 저녁에 전화할게요. ✕
→부디 씨가 저녁에 전화할 거예요. ✓
Budi will call in the evening.
→제가 저녁에 전화할게요. ✓
I'll call in the evening.

This expression cannot be used in questions.

리라 씨, 이제 늦지 않을게요? ✕
→리라 씨, 이제 늦지 않을 거예요? ✓
Lila, you won't be late in the future, will you?

Comparison:

Kimchi Reader

Used when the speaker promises or notifies the listener of their decision or intention that they will do something.

Examples
제가 전화를 <span class='focus'>받을게요</span>.
I will answer the phone.
지금은 비가 많이 오니까 조금 이따가 <span class='focus'>출발할게요</span>.
Since it's raining a lot now, I will leave a little later.
제가 전화 받<span class='focus'>을게요.</span>
I'll answer the phone.

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