Язык some of these sentences have mistakes. correct them and rewrite these sentences without mistakes. 1)pauline had taken out her mobile, dialed the number and heard the busy signal. 2) i had explained everything to my friend before i asked for his advice. 3) sam was sorry his words had sounded cruel yesterday. 4)the children wondered who was playing the piano next door. 5) harold said he can show us about the theathre some day. 6)michael added that his career has only just begun. 7) the man replied that he is going to tell us the truth later on 8) the author read his new story out loud after the public had asked him about it. 9) the usher looked at my ticket and had explained where my seat was. 10) my mother said she allowed me to the theatre with my friends.