Here are the sentences with the correct forms of the verbs:
Mike loves France. He is probably going there next Summer.
Our bus leaves at 5 p.m.
Where are you having the party tonight?
I think you will enjoy the holidays.
This is his last day here. He is going back to Petersburg tomorrow.
Hurry up! The film starts in 20 minutes.
My horoscope says that I will lose an old friend this week.
Look at these big black clouds! It is going to snow.
Wait! My dad is driving you to the station.
Tomorrow we are leaving for Moscow.
These boxes are so heavy. Can you carry them for me, please?