Adjective agreement

In Spanish, we describe nouns with adjectives that match in terms of the gender. You may have noticed that when we use Ser or Estar with an adjective, if the adjective has a feminine and masculine form, the adjective must agree with the subject it is modifying. This applies to the number of people or things who comprise the subject as well.

Adjectives which end in "o" have four (4) forms: masculine (o), masculine plural (os), feminine (a) and feminine plural (as).

María está contenta. (feminine)	María is [feels] happy.
Pablo está contento. (masculine)	Pablo is [feels] happy.
María y Susana están contentas. (feminine plural)	María and Susana are [feel] happy.
Pablo y Manuel están contentos. (masculine plural)	Pablo and Manuel are [feel] happy.
Yo soy norteamericana.	I am a North American.
Heather Locklear y yo somos norteamericanas.	Heather Locklear and I are North Americans.
Gumby es norteamericano.	Gumby is a North American.
Gumby y Pokey son norteamericanos.	Gumby and Pokey are North Americans.

Adjectives which end in "e" or end in consonants have only singular and plural forms:

Stephen Hawking es inteligente.	Madame Curie es inteligente.
Los profesores son inteligentes.	Las profesoras son inteligentes.
Susana es leal.	Susana y Guillermo son leales.
Pancho es joven.	Pancho y Amanda son jóvenes.

[*NOTE: nationalities are the exception. Click on the link below to see how nationalities work.]

Adjectives which end in "-dor" add an "a" for feminine forms, and still have singular and plural forms:

Nick es trabajador.	Janet es trabajadora.
Ramond y Chris son trabajadores.	Pauline y Sara son trabajadoras.

Photo examples of adjective agreement!

Nationalities!

Gender in Spanish

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