Present Perfect
We have bought a new TV set.Мы купили новый телевизор .
The students have left the room.Студенты ушли из комнаты .
The train has just arrived.Поезд только что прибыл.
She hasn't written the test yet. Она ещё не закончила контрольную.
I have known him for years.Я знаю его много лет .
He has written about a hundred novels.Он написал около ста романов.
Past Simple
I was at home all day yesterday.They left London. We were very surprised. He was full of energy. I decided to join a fitness club