Плиз помагите ,вот задание \написать 6 предложений по Pr Perf

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. Можно так написать)

1) I haven't seen him lately; 2)It is the most interesting film I have ever seen; 3)Have you ever been to London? 4)We haven't finished the work yet 5) We have known each other for 5 years 6) He hasn't done it before