Complete sentences with verb form in conditional 1.

1) If I’m online next weekend, I will chat with my friends. 2) If I’m at home alone on Saturday, I will have a party for my friends. 3) If I’m in town next weekend, I will go for a walk. 4) If I don’t see my friends on Sunday, I will send text messages. 5) If it’s warm on Sunday, I will visit museums in my town.