1. Los adjetivos avanzados
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2. Adjective agreement
Adjectives must agree in gender and number with the nouns they modify.
If the masculine singular form ends in –o, the adjective has four forms:
masculine
feminine
singular -o -a
plural
-os
-as
maravilloso
maravillosa
maravillosos
maravillosas

3. Adjective agreement
If the masculine singular form ends in a consonant or in –e, the adjective has two forms: a singular and a plural.
They do not change for gender.
triste
tristes

4. Adjective agreement
If the adjective ends in –dor, -ón, or -án, the adjective has four forms.
Simply add an –a to form the feminine singular.
The masculine plural is formed by adding –es.
Any accents disappear in the plural.
hablador
habladora
habladores
habladoras

5. Adjective agreement
Adjectives that show nationality typically have four forms, following the standard pattern above.
If the nationality ends in –ense, there is two forms: a singular and a plural.
americano
americana
americanos
americanas
canadiense
canadienses

6. Placement of adjectives
In most cases, you will place the adjective AFTER the noun it modifies.
la chica bonita
el hombre guapo

7. Placement of adjectives
Bueno, malo, mejor, peor typically come before the noun.
una buena comida
el peor libro

8. Placement of adjectives
Adjectives that express quantity precede the noun
Hay varias soluciones.
No hay suficiente dinero.
mucho
poco
bastante
suficiente
cuánto
alguno
ninguno
ambos
varios

9. Placement of adjectives
Adverbs (think of them as adjectives for verbs and other adjectives) usually follow the noun.
una comida muy buena
la chica más bonita
más
muy
tan

10. Placement of adjectives
The following adjectives lose their final –o before a masculine singular noun.
¿No conoces a ningún estudiante?
Tuve un mal día.
bueno
malo
primero
tercero
uno
ninguno (shortens to ningún)
alguno (shortens to algún)

11. Placement of adjectives
The following adjectives shorten themselves before any singular noun:
grande →
gran
cualquiera
cualquier

12. Adjectives with different meanings
BEFORE
antiguo
former
cierto
certain, some
nuevo
another
mismo
same
pobre
poor as in unfortunate
gran
great
diferente
various
medio
half
pura
nothing but…
simple
just a…
cualquier
any
único
only
AFTER
antiguo
old, ancient
cierto
sure thing, true thing
nuevo
new
mismo
himself
pobre
poor as in penniless
gran
big
diferente
different
medio
average
pura
pure
simple
cualquier
any old
único
unique

13. Using more than one adjective
If you want to use more than one adjective to describe something:
Typically, you join the two adjectives with y
la chica inteligente y bonita
If the adjective starts with the letter i, change the y to e
la chica bonita e inteligente

14. Using more than one adjective
If you leave out the y, you place the most important adjective at the end.
la chica inteligente bonita
(emphasizing her beauty)
la chica bonita inteligente
(emphasizing her intelligence)
However, if one of the two adjectives should precede the noun, the noun is placed there.
el pobre hombre enfermo

15. Comparatives
Recall, if you want to compare two things you may use the following formulas:
más (adjective) que
menos (adjective) que
tan (adjective) como

16. Comparatives
The irregulars that don’t use this pattern. These adjectives only have two forms.
bueno 
mejor
malo
peor
grande
mayor
pequeño
menor

17. Comparatives
You may also use the suffix –ísimo to state the idea of very. These adjectives still have four forms.
Some spelling changes
-co 
-quísimo
-go
-guísimo -z
-císimo