1.
A: Jack, do you want to go shopping with me next weekend?
B: I'm not sure. I have homework to do.
A: How about this weekend then?
B: Sure!
2.
A: Do you have time to go shopping with me this weekend?
B: This weekend? Yeah, sure! Where are we going?
A: To the mall. I need to buy some clothes for myself.
B: Alright, I'll see you then.