I.
1) He is staying at the hotel.
2) The tourists spoke about Moscow.
3) They were watching TV when I came.
II.
1) Let's go to the shop and buy some food.
2) Have you got any interesting books to read?
3) There aren't any lazy students in this group.
4) There are some fresh flowers in the vase.
III.
1. Present perfect
2. Future simple
3. Past progressive/continuous
4. Present simple
5. Past perfect
IV.
1. We are going to have a test on the 3rd of September.
2. Our flat is on the second floor.
3. Could you come to see me on Sunday evening?
4. She was born in Sochi in 1978.
5. What do you usually have for breakfast?