There are two ways to make a comparison
1.) Use more in front of the adjective.
--It's more exciting.
2.) Add -er to end of the adjective.
--A bus is cheaper than a taxi.
To complete a comparison, use than.
--I am older than my wife.
For most one-syllable adjectives, use
-er: older, wiser, etc. For most two and
three-syllable adjectives, use more: more
recent. For two-syllable adjectives ending
in -y, use -er. Note that the y is changed
to i in words such as busy (busier) and
It is sometimes hard to decide whether
to use more or -er in a comparison. In
fact, there are many common adjectives
that use either form (such as able, angry,
cruel, friendly, polite, quiet, simple,
etc.). Listening and practice with speaking
the language will help you more than any
number of rules. Finally, note the following
Adverbs can also be used in comparisons.
More is used with adverbs that end in
Use -er with one-syllable adverbs: faster,
harder, sooner, closer, etc.
Note these irregular forms: