My wife is … than your wife.
the most beautiful
beautifuller 
more beautiful

Their flat is … than ours.
more large
larger 
the larger

You are … person that I know.
luckyer
the luckiest
the Luckyest

Cats are not so clever … dogs.
as
so
than
that

The situation is … than I thought.
more bad
badder 
worse

Today the weather is … than yesterday.
niceer
more nicer
much nicer

For me mathematics is … physics.
more easy as
easyer than
easier than

This car is … of all.
an expensive
the least expensive
a less expensive
The little expensive

Concord was … plane in the world.
fast
fastest
the fastest

The new teacher is … than the previous one.
many good
a lot better
many better
a lot of good

This room is not so … as that one on the first floor.
the most comfortable
more comfortable
comfortable 

The more you learn … you become.
smarter
the smarter
the smartest

These jeans are too small. I need … size.
a large
a larger
a largest

We left … way possible.
the quickiest
a quick
a quicker
the quickest

It is … to go for a walk, than to watch TV at home.
good
the best
better

What sea is … The Black or the Red?
less salty
little saltier
less saltier

The band will play on … stage.
a new
a newer
the newest

Oh! This dress is … expensive than I expected!
far much
far more
far a lot 

It will do you … if you start doing your homework.
good
better 
the best

It is … dog that I have ever seen!
the bigest
biger
the biggest