Измените форму сказуемого, употребив Present Perfect Tense и обстоятельства времени данные в скобках! Помогите пожалуйста разобраться! Заранее благодарен Вам! - вопрос №5123825

Образец: I am writing a letter. (already)
I have already written a letter.
1) John spoke to me. (already)
2) He was reading a book. (already)
3) The students will go home. (just)
4) John saw his friend. (just)
Образец: I was in Novgorod last year. (never)
I have never been to Novgorod.
5) The young singer is in London. (never)
6) The father gave his son this book. (never)
7) The girl saw this film. (never)]
8) This pop group was in Siberia. (never)
Образец: I lived in Moscow in 1972. (since)
I have lived in Moscow since 1972.
9) Peter did not meet John in Moscow in 1976. (since)
10) The students did not speak English last year. (since)
11) Mike did not see Mary there in September. (since)
12) The girl did not read this book in her childhood. (since)
Образец: Nick is trying to lean driving. (this year)
Nick has tried to lean driving this year.
13) Your friends are writing a letter to their trainer. (this week)
14) He is leaving for Moscow.(this month)
15) I am learning grammar rules. (today)
16) The buliders are finishing their work. (this year)
Спасибо большое за все ответы!