1.We will go/are going to a picnic tomorrow. Would you like to come to?
2.The train is starting/starts at 8 tonight.
3.I am sure you will get/ are getting the tickets.
4.I am sorry. I can not come. I will meet/ am meeting my sister at the station.
5.They will arrive/ are arriving tomorrow morning.
6.Do not worry, I promise I will not hurt/ am not hurting you.
7.If I can not make it at 5, I will phone/ am phoning you.