Adjectives
Adjetivos
Adjectives
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Words that describe people and things
are called adjectives (adjetivos).
In Spanish, most adjectives have both
masculine and feminine forms.
The masculine form usually ends in the
letter -o and the feminine form usually
ends in the letter -a.
Adjectives
Masculine adjectives are used
to describe masculine nouns.
 Marcos es ordenado y
simpatico.
 Marcos is organized and nice.

Adjectives
Feminine adjectives are used to
describe feminine nouns.
 Marta es ordenada y simpática.
 Marta is organized and nice.

Rule # 1
Most adjectives end in –o.
To make them feminine,
change the –o to an –a. To
make them plural, change
the –o to –os for
masculine and change the
–a to –as for feminine.
chistoso – funny
Masculine singular
El es chistoso.
Masculine plural
Ellos son chistosos.
Feminine singular
Ella es chistosa.
Feminine plural
Ellas son chistosas.
Rule # 2
When an adjective ends in
–a or –e no change is
made to make them
masculine or feminine
singular. To make them
plural, just add an –s.
egoísta – selfish, or paciente – patient
Masculine singular
El es egoísta.
El es paciente.
Masculine plural
Ellos son egoístas.
Ellos son pacientes.
Feminine singular
Ella es egoísta.
Ella es paciente.
Feminine plural
Ellas son egoístas.
Ellas son pacientes.
Rule # 3
When an adjective ends in
a consonant (except for –r
or –z) no change is made
to make them masculine
or feminine singular. To
make them plural, just
add –es.
débil – weak
Masculine singular
El es débil.
Masculine plural
Ellos son débiles.
Feminine singular
Ella es débil.
Feminine plural
Ellas son débiles.
Rule # 4
When an adjective ends
in –r , the feminine
singular is formed by
adding an –a. The
masculine plural by
adding –es and the
feminine plural by adding
–as.
trabajador – hardworking
Masculine singular
El es trabajador.
Masculine plural
Ellos son trabajadores.
Feminine singular
Ella es trabajadora.
Feminine plural
Ellas son trabajadoras.
Rule # 5
When an adjective ends
in –z , no change is made
to make them masculine
or feminine singular. To
make them plural, change
the –z to a –c and add –es.
feliz – happy
Masculine singular
El es feliz.
Masculine plural
Ellos son felices.
Feminine singular
Ella es feliz.
Feminine plural
Ellas son felices.
Complete the following practice
Adjective
1. hermoso
2. interesante
3. fácil
4. cruel
5. encantador
6. valiente
7. joven
8. realista
Masculine S.
Masculine P.
Feminine S.
Feminine P.
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Adjectives