a) A SHORT tail-a shorter tail-the shortest tail
a funny monkey-a funnier monkey -the funniest monkey ,
a long nose-a longer nose-the longest nose
big ears-bigger ears-the biggest ears
a clever dog-a cleverer dog-the cleverest dog
an old man -an older man -the oldest man,
a long street - a longer street-the longer street
big animals -bigger animals-the biggest animals
new toys - newer toys-the newest toys,
a nice pet-a nicer pet-the nicest pet ,
short legs -shorter legs-the shortest legs,
big shops-bigger shops-the biggest shops
a long walk - a longer walk-the longest walk,
a funny story - a funnier story-the funniest story
a short tail - a shorter tail - the shortest tail
a funny monkey - a funnier monkey - the funniest monkey
a long nose - a longer nose - the longest nose
big ears - bigger ears - the biggest ears
a clever dog - a cleverer dog - the cleverest dog
an old man - an older man - the oldest man
a long street - a longer street - the longer street
big animals - bigger animals - the biggest animals
new toys - newer toys - the newest toys
a nice pet - a nicer pet - the nicest pet
short legs - shorter legs - the shortest legs
big shops - bigger shops - the biggest shops
a long walk - a longer walk - the longest walk
a funny story - a funnier story - the funniest story
1) Furniture - uncountable
2) Advice - uncountable
3) Advert - countable