* Noun modifying form (future) : verb stem + 을/ㄹ * Form : verb stem ending in a consonant + 을 / verb stem ending in a vowel + ㄹ e.g. 먹다 (to eat) : 먹 (verb stem) + 을 것 (thing) --> 먹을 것 (the thing that I will eat) = the thing to eat 보다 (to see) : 보 (verb stem) + ㄹ 영화 (movie)-->볼 영화 (the movie that I will see) =the movie to see 하다 (to do) : 하 (verb stem) +ㄹ 일 (work) -->할 일 (the work that I will do)= the work to do

"내일 할 일이 많아요" means "I have many things to do tomorrow" "할" include future meaning. Another Example) 나는 내일 게임을 '할' 것이다. = I will play game tomorrow. If you any question, feel free to contact me later :)