big, the biggest
small, the smallest
pretty, the prettiest
noisy, the noisiest
humble, the humblest
narrow, the narrowest (étroit, le plus étroit)
tidy, the tidiest
the most dangerous, the most famous
grade, better than, the best
bad, worse than, the worst
little, less than, the least
far, further than, the furthest
The Plaza Hotel is the cheapest in town.
It's the most beautiful garden I have ever seen.
Manchester is the friendliest city in England.
That isn't the strongest table.
It's the worst thing I have ever done.
It's the noisiest street in the city.