Put the verbs in brackets into the correct form, using, where possible, Participles or Gerunds 7.I thought I had lost my bag and was therefore very gra teful to the man who (to bring) it back to me. 8. I had never realized what a talented writer he was until I saw his play (to stage) in a Moscow theatre. 9. The man who (to make) the opening speech at the exhibition is a well-known painter.