Present Simple Interrogative/Negative
Mark: (you, do) me a favor, Sam? Sam: Sure, what do you want me to do? Mark: I (change) the broken light bulb in the lamp above the dining room table. I need someone to hold the ladder for me while I am up there. Sam: No problem, I (hold) it for you.
Mark: Will you do me a favor, Sam? Sam: Sure, what do you want me to do? Mark: I am going to change the broken light bulb in the lamp above the dining room table. I need someone to hold the ladder for me while I am up there. Sam: No problem, I will hold it for you.