P.S. They talked last week
P.P. They had talked last week.
P.P.P They had been talking till last week.
Pr.S. у тебя есть.
Pr.P. They have just talked.
Pr.P.P. They are talking now.
F.S. They will talk next week.
F.P. They will have talked in an hour.
F.P.P. They will have been talking that time.
I like to eat home made food. I prefer food that was cooked by my mother. My favourite is mashed potatoes with fried chicken. It's really delicious.
1) Bob went to the hospital with his friend ( думаю ты немного текста пропустил)
2)Donald Trump is the president of USA
3) Being a student I have visited Tretyakov gallery in Moscow
1) Alice's (в начале)
2) "A lot of the film" лучше заменить на "a big part of the film" (большая часть фильма)
3) "Must-see for everyone"
А так все очень даже хорошо)