№ 3
A: Have you bought the tickets for our journey yet?
B: Yes, I went to the station yesterday and bought the tickets.
A: What time did you go there?
B: I took a friend to the station in the morning. His train left at 9:45.
A: Have you packed your bags yet?
B: Of course. And I have already asked my neighbour to empty my letter box. What about you?
B: I packed my bags two days ago.
№ 4
1) Yesterday, my brother came home from school, switched on the TV and watched TV until dinner was ready.
2) Oh no, it's raining and I have left my umbrella at home.
3) Look! There is so much food left. Nobody has eaten anything.
4) – Where were you yesterday? - I went to the shopping centre and bought a new computer game.
5) The road is closed. There has been an accident.
6) I had an accident when I was in Manchester last year.
7) Come on, let's celebrate! Our team has won the match.