Answer
The comparative form of tall
taller
compare winter and summer
Winter is colder than summer.
The comparative form of difficult
More difficult
The comparative form of slow.
slower
compare February and December
February is shorter than December.
The comparative form of good.
better
The comparative form of happy.
happier
Compare a train and a plane.
A plane is faster than a train.
The comparative form of bad.
worse
The comparative form of beautiful.
more beautiful
Compare English and Chinese.
Chinese is more difficult than English.
The comparative form of intelligent
more intelligent
The comparative form of dangerous.
more dangerous
Compare strawberry and lemons
Strawberry is sweeter than a lemon.
The comparative form of small.
smaller