SER and Adjective Agreement

Mis amigos son _______________.

• simpático

• simpáticas

• simpáticos

• simpática

Answer explanation

We can tell by the -s ending on the word "amigo" that there is more than one (it is plural).

We can tell by the -os ending that this is a group of all males, or a group of both males and females. (It is NOT a group of all females).

Therefore, we must change the ending on the adjective "simpático" to -os: "simpáticos".

Mi amiga Susane es ____________.

• seria

• serio

• serios

• serias

Answer explanation

"Amiga" is both feminine and single (only one), so you must change the ending on the adjective to -a: "seria".

Mis amigos son _______________.

• simpático

• simpáticas

• simpáticos

• simpática

Answer explanation

We can tell by the -s ending on the word "amigo" that there is more than one (it is plural).

We can tell by the -os ending that this is a group of all males, or a group of both males and females. (It is NOT a group of all females).

Therefore, we must change the ending on the adjective "simpático" to -os: "simpáticos".

Mi amiga Susane es ____________.

• seria

• serio

• serios

• serias

Answer explanation

"Amiga" is both feminine and single (only one), so you must change the ending on the adjective to -a: "seria".

La mujer es _______.

• alto

• alta

• altos

• altas

Answer explanation

"La mujer" = The Woman

This is both feminine and singular, so the adjective ending will be -a.

*Note: Even if you do not know what "mujer" means, you can look at the word "la" and determine that it is feminine and singular.

Las mujeres son ________.

• bajo

• baja

• bajos

• bajas

Answer explanation

"Las mujeres" = The Women

This is both feminine and plural, so you need to add -as to the adjective ending.

*Note: Even if you do not know what "mujer" means, you can look at the word "las" and determine that it is feminine and plural.

Juan es _______.

• perezoso

• perezosa

• perezosos

• perezosas

Answer explanation

"Juan" = a male name

This is both masucline and singular, so the adjective ending must be -o.

Laura es _______.

• inteligente

• inteligenta

• inteligentes

• inteligentas

Answer explanation

Laura = a female name

This is both feminine and singular.

Adjectives that end in -e, ONLY change in the plural form.

Since "Laura" is only one person (singular), you will not change "inteligente".

Mis hermanas son ________.

• guapo

• guapa

• guapos

• guapas

Answer explanation

We can tell by the -s ending on the word "hermanas" that there is more than one (it is plural).

We can tell by the -as ending that this is a group of all females.

Therefore, we must change the ending on the adjective to -as.

Rosa y Maria son _____. 

• bonitos

• bonitas

• bonita

• bonito

Answer explanation

"Rosa" and "Maria" are both girls' names.

Therefore, we know it is both feminine and plural, so the adjective ending must be -as.