Измените на Present perfect 1)I read the book 2)He wrote a

1)I have read the book.
2)He has written a new book.
3)She has given her friend a clock.
4)He has told me the answer to my question.
5)They have gone a way with some friends.
6)Mr.Smit has spoken to me about you.
7)The students have written some short stories.
8)I have understood the work very well.
9)Mr.Smit has told the students about some English writers.
10)Liza has cooked the dinner for mr. Smit.
11)We have seen a play by Shaw.
12)Tom has given us the tickets.
13) He has gone to the theatre with Molly.
14)They have gone to the theatre with Molly.
15)We have spoken about the play before.
16)He has spoken about the play before.
17)I have spoken about the play before
18)Tom has left his book at home.
19)All the students have left their books at home.
20)You have done that work well.