11.   It is gone even before the predator can gather its wits and make chase.

12.   Like others who had gone before him, Neville the part-time barman was a very worried man.

13.   Looking back, the precipitous shreds of sheeting rain effectively sanctioned a cordon between himself and what had gone before.

14.   One student looking still had some time to go before his grant aid ended.

15.   The North-West programme franchise remains highly lucrative, with under three years to go before renewal or a reshuffle.

16.   The question is, how long can this go on before the bubble bursts?

17.   These programs differ from those that went before them in that they are largely located at the school district or regional level.