1)I have read the book2)He has wrote a new book.3)She has gave her friend a clock4)He has told me the answer to my question5)They have went a way with some friends6)Mr.Smit has spoke to me about you7)The students have wrote some short stories8)I have understood the work very wall.9)Mr.Smit has told the students about some English writers 10)Liza has cooked the dinner for mr. Smit11)We have saw a play by Shaw12)Tom has gave us the tickets 13) He has want to the theatre with Molly 14)They have want to the theatre with Molly15)We have spoke about the play before16)He has spoke about the play before17)I have spoke about the play before18)Tom has left his book at home19)All the students have left their books at home20)You has did thet work well