1. About adjectives in Spanish.
Just the facts!
About adjectives in Spanish.

2. OK, so what’s the scoop on adjectives

3. You know that nouns in Spanish have gender.
masculine
el libro
el muchacho
feminine
la casa
la muchacha

4. They also have number. singular el libro la muchacha plural los libros
las muchachas

5. Well, here’s the way it is
Well, here’s the way it is...adjectives have to agree with whatever they tell about!

6. The noun is masculine, then the adjective is masculine

7. The noun is feminine, then the adjective is feminine

8. The noun is singular, then the adjective is singular.

9. The noun is plural, then the adjective is plural.

10. What if the noun is feminine AND plural?

11. Then the adjective is feminine and plural.

12. Are you telling me that this is like an equation in math?

13. Yeah, yeah.... Kinda like that.....
masculine noun = masculine adjective
feminine noun = feminine adjective
singular noun = singular adjective
plural noun = plural adjective
Kinda like that.....

14. OK, give me some more facts.

15. Let’s check out how to talk about a boy, then a girl.
el muchacho alto
la muchacha alta

16. What about more than one boy and more than one girl?
los muchachos altos
las muchachas altas

17. Many common adjectives end in -o. These adjectives have four forms
Many common adjectives end in -o. These adjectives have four forms. The following words all mean “red:”
rojo
roja
rojos
rojas

18. el teléfono rojo la casa roja los teléfonos rojos las casas rojas
The correct form of the adjective depends upon the noun it modifies. Is the noun masculine or feminine? Singular or plural?
el teléfono rojo
la casa roja
los teléfonos rojos
las casas rojas

19. Notice how the endings are the same: el teléfono rojo la casa roja los teléfonos rojos las casas rojas

20. What about adjectives that end in e...
like inteligente?

21. Easy. Adjectives that end in -e also change form for singular or plural. To form the plural, simply add -s la muchacha inteligente las muchachas inteligentes

22. Easier yet...adjectives that end in -e do not change form for masculine or feminine. el muchacho inteligente la muchacha inteligente los muchachos inteligentes las muchachas inteligentes

23. In much the same way, most adjectives that end in a consonant do change form for singular or plural, but do not change for masculine or feminine. To form the plural, add es. el muchacho popular la muchacha popular los muchachos populares las muchachas populares

24. OK...let’s wrap up this story.
Give me the 411.

25. Here it is...
Adjectives ending in -o have four forms: alto, alta, altos, altas
Adjectives ending in -e have two forms: inteligente, inteligentes
(form plural by adding –s)
Most adjectives ending in a consonant have two forms: popular, populares
(form plural by adding -es)