I will probably call you tomorrow
I’m going to call you tomorrow
I’m calling you tomorrow
The museum opens at 10 o’clock next Sunday. It rains tomorrow. I’m seeing the dentist tomorrow evening. *It is raining tomorrow. At this time tomorrow, I will be lying on a beach in the Bahamas. By 10 o’clock tomorrow, I will have finished my exam. The King is to visit Copenhague in January.