GOING TO, PRESENT CONTINUOUS or PRESENT PERFECT?

1. She is going to write on the blackboard.
2. She is writing on the blackboard.
3. She has written on the blackboard.
1. She is going to write on the blackboard.
2. She is writing on the blackboard.
3. She has written on the blackboard.
1. He is going to fall into the hole.
2. He is falling into the hole.
3. He has fallen into the hole.
1. She is going to get married.
2. She is getting married.
3. She has gotten married.
1. She is going to win the race.
2. She is winning the race.
3. She has won the race.
1. He is going to drink some milk.
2. He is drinking some milk.
3. He has drunk some milk.
1. He is going to have a shower.
2. He is having a shower.
3. He has had a shower.
1. An accident is going to happen.
2. An accident is happening.
3. An accident has happened.
1. They are going to get married.
2. They are getting married.
3. They have got married.
1. He is going to have a shower.
2. He is having a shower.
3. He has had a shower.
1. The children are going to break the window.
2. The children are breaking the window.
3. The children have broken the window.
1. Your friend is going to arrive.
2. Your friend is arriving.
3. Your friend has arrived.
1. He is going to cook some fish.
2. He is cooking some fish.
3. He has cooked some fish.
1. "I am going to read a magazine."
2. "I am reading a magazine."
3. "I have read a magazine."