1) Tom is skilled enough to do/doing this job. 2) It started to rain/raining an hour ago. 3) Sue prefers to have/having lunch in a cafeteria. 4) I hope to see/seeing you tomorrow. 5) Mike suggested to play/playing bowling in a new club. 6) I don’t know
where to go/going.7)To sledge/Sledging in winter is fun. 8) Sam spent hours to look/looking for these facts. 9) They offered to continue/continuing the experiment in a modern laboratory. 10) Witty succeeded in to study/studying Biology. 11) I would like to talk/talking to you. 12) My parents refused to give/giving me pocket money. 13) Little Johnny is complaining about to have/having a toothache. 14) Molly was happy to see/seeing her niece again .15) Jane can’t stand to listen/listening to loud music.