Present Simple:
1. She goes to Mike every day.
2. Tourists in London want to see Big Ben.
3. He usually gets up at 7o'clock.
Present Continuous:
1. She is playing tennis now.
2. It is raining outside.
3. They are playing computer games now.
Present Perfect:
1. I have been to America.
2. They have already finished.
3. He has been late again.
Present Perfect Continuous:
1. He has been reading the book for three hours.
2. I have been waiting for him for several hours.
3. She has been working on the project since morning.