5)
fine - finer - the finest
interesting - more interesting - the most interesting
noisy - noisier - the noisiest
good - better - the best
far - farther - farthest
7)
many
it is
next
few
any
8)
twenty-fifth
tenth
three hundred and fifty
6)
will not
didn`t go
cannot go
don`t fly
doesn`t play