- We haven't reached the limits of human performance in sport or in any other field.
- The band haven't finished the album but they know how I want to finish certain songs.
- Their beaming faces give the impression that they haven't got a care in the world.
- Why the men haven't been rolling up their sleeves and doing their bit is not entirely clear.
- If you haven't worked out exactly what this film will be like by now, there's no hope for you.