31.   Initial troubles arose because filming began without a finished script and because there was a hard deadline so cast members could move on to other projects.

32.   Others waited to see whether any trouble arose before venturing out.

33.   The trouble arises when people think she has totally recovered.

34.   Trouble could arise if Iran decided to try to block the flow of oil in the channel, he said.

35.   The trouble arose at the second handover from Jon Drummond to Theodore McCall.