Be thinking of
This expression is used to indicate the speaker's vague intention or rough plan that has yet to be finalized and could therefore still change.
1. This expression can only be used with declarative sentences and not with interrogative, imperative, or propositive sentences. It also cannot be used in the future tense.
2. When using this expression in a negative sentence, either the form 안 -(으)ㄹ까 하다 or -지 말까 하다 can be used. The form 못 -(으)ㄹ까 하다 however, cannot be used.
The expressions -(으)ㄹ 거예요，-(으)려고 하다 and -(으)ㄹ까 하다, all of which indicate a future plan, may appear to be similar, but they actually have the following differences.
The speaker is not sure about their plan or intention, and it might change.
This expression can't be used with interrogative, imperative, proposition and future tense sentences.
The negative form of this expression is 안 V-(으)ㄹ까 하다 or -지 말까 하다