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Adjective Agreement Practice

Spanish adjectives change their ending to match the noun in gender and number — alto, alta, altos, altas. Practice every pattern with 22 sentences and instant explanations.

•22 exercises•~7 min to complete•A1 – A2 level
IRead first

The rule, in plain English.

A Spanish adjective must agree with the noun it describes in both gender (masculine / feminine) and number (singular / plural). The endings depend on the adjective's base form.

Adjectives ending in -o have four forms; those ending in -e or most consonants change only for number, not gender. Most adjectives come after the noun.

22 exercises below. Read the explanation after each answer — that's where the rule sinks in.

IIQuick reference
-o adjectives: four formsalto / alta / altos / altas
01
Masculine singular: -o
un chico alto
02
Feminine singular: -a
una chica alta
03
Masculine plural: -os
unos chicos altos
04
Feminine plural: -as
unas chicas altas
-e and consonant: two formssame for he/she
01
-e: same gender, add -s plural
inteligente → inteligentes
02
Most consonants: same gender, add -es
azul → azules, fácil → fáciles
03
But -dor/-ón/-án/nationality add -a
trabajador → trabajadora; español → española
Position & special cases
  • Adjective usually follows the noununa casa blanca
  • Mixed group → masculine pluralJuan y María son altos.
  • grande → gran before any singular nounun gran libro / una gran idea
  • bueno/malo → buen/mal before masc. sing.un buen día / un mal momento
IIIPractice exercises

Practice.

Answer first, then read the explanation. Don't skip it — that's the whole point.

Exercise 01 of 22Tag: -o feminine
Fill in the blank

Mi hermana es muy _____. (alto)

My sister is very tall.

Exercise 02 of 22Tag: -o masculine plural
Fill in the blank

Los coches son _____. (rojo)

The cars are red.

Exercise 03 of 22Tag: -o feminine plural
Fill in the blank

Las casas son _____. (blanco)

The houses are white.

Exercise 04 of 22Tag: -e adjective
Fill in the blank

María es una estudiante muy _____. (inteligente)

María is a very intelligent student.

Exercise 05 of 22Tag: -e plural
Fill in the blank

Estos edificios son muy _____. (grande)

These buildings are very big.

Exercise 06 of 22Tag: Consonant adjective
Fill in the blank

El cielo está _____ hoy. (azul)

The sky is blue today.

Exercise 07 of 22Tag: Consonant plural
Fill in the blank

Las preguntas son muy _____. (difícil)

The questions are very difficult.

Exercise 08 of 22Tag: Nationality feminine
Fill in the blank

Mi profesora es _____. (español)

My teacher is Spanish.

Exercise 09 of 22Tag: -dor feminine
Fill in the blank

Ana es una mujer muy _____. (trabajador)

Ana is a very hardworking woman.

Exercise 10 of 22Tag: Mixed group
Fill in the blank

Pedro y Lucía son muy _____. (simpático)

Pedro and Lucía are very nice.

Exercise 11 of 22Tag: -o masculine singular
Fill in the blank

Tengo un perro muy _____. (pequeño)

I have a very small dog.

Exercise 12 of 22Tag: gran before noun
Fill in the blank

García Márquez fue un _____ escritor. (grande)

García Márquez was a great writer.

Exercise 13 of 22Tag: buen before noun
Fill in the blank

¡Que tengas un _____ día! (bueno)

Have a good day!

Exercise 14 of 22Tag: Color plural
Fill in the blank

Mis zapatos son _____. (negro)

My shoes are black.

Exercise 15 of 22Tag: Feminine plural -e
Fill in the blank

Las películas eran muy _____. (interesante)

The movies were very interesting.

Exercise 16 of 22Tag: Adjective before two nouns
Fill in the blank

Compré una camisa y una corbata _____. (caro)

I bought an expensive shirt and tie.

Exercise 17 of 22Tag: Spotting errors
Choose the correct sentence

Which phrase has an agreement error?

Spot the agreement mistake.

Exercise 18 of 22Tag: Spotting errors
Choose the correct sentence

Which sentence is wrong?

Spot the wrong sentence.

Exercise 19 of 22Tag: Feminine singular
Fill in the blank

La sopa está _____. (frío)

The soup is cold.

Exercise 20 of 22Tag: Nationality plural
Fill in the blank

Mis amigos son _____. (francés)

My friends are French.

Exercise 21 of 22Tag: Position changes meaning
Fill in the blank

Es un _____ amigo; lo conozco desde hace años. (viejo)

He's an old friend; I've known him for years.

Exercise 22 of 22Tag: Complete the agreement
Choose the correct sentence

Choose the correct adjective: unas montañas ___

Some tall mountains.

Every answer is explained

Not just a green check. A short paragraph telling you why.

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Coming soon

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Not live yet. Working through the catalog one topic at a time.

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Questions answered

Common questions.

How does adjective agreement work in Spanish?+

The adjective copies the noun's gender and number. For an -o adjective there are four forms (alto, alta, altos, altas). For -e adjectives and most consonant adjectives the gender doesn't change (inteligente, azul); only the plural adds -s or -es.

Do all Spanish adjectives change for gender?+

No. Adjectives ending in -o have separate masculine and feminine forms. Adjectives ending in -e (inteligente, grande) and most ending in a consonant (azul, fácil) use the same form for both genders. Exceptions that do add -a: nationalities (español → española) and adjectives ending in -dor, -ón, -án.

What ending does an adjective take for a mixed-gender group?+

The masculine plural. If you describe a group with both men and women — or masculine and feminine nouns — use -os: Pedro y María son altos; la camisa y el pantalón son nuevos.

Where does the adjective go, before or after the noun?+

Most descriptive adjectives follow the noun: una casa blanca, un coche rápido. A few shorten before a masculine singular noun (buen, mal, gran), and some change meaning by position (un viejo amigo = long-time friend vs un amigo viejo = elderly friend).

Why is it un gran libro but un libro grande?+

Grande shortens to gran before any singular noun and there means great. After the noun it keeps its full form and means big in size: un gran hombre (a great man) vs un hombre grande (a big man).

Are these adjective agreement exercises free?+

Yes. All 22 exercises run in your browser, need no signup, and give a clear explanation after every answer.