Present Perfect
He has just finished writing his report. He has done everything needed and is ready to present the report.
They have already built their new house. They also have decorated it with lights.
We have passed out final exams. It wasn't easy but we have done it!
I have already planned my Easter holidays. I have sent the invitations to my birthday party. I haven't cooked the dinner yet.
going to
I am going to enter the University after finishing school.
He is going to buy a garage for his new car.
They are going to spend their holidays in Paris.