Ну наверное надо все-таки переделать в косвенную. В задании же сплошная прямая.1) She said to me I mustn’t come in without knocking.2) He told me that my ticket might cost five pounds.3) Notice read that dogs had to kept on a lead.4) His father said to him that he should work harder the term after.5) Their mother said to them that they mustn’t play with knives.6) I warned him that he didn't need to get up till nine next day.7) He said that after the lecture I had to go home quickly.8) She said I should try to repair my chair. I answered that I coud, but nothing would come of it.