SER and Adjective Agreement

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".

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

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".

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

"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" = 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" = a male name

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

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".

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" and "Maria" are both girls' names.

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