Forming regular masculine and feminine nouns (singular and plural)

Regular nouns in Spanish follow this rule to form the singular:

ending -o for masculine 
ending -a for feminine
Have a look and listen to these examples:

Me gusta el piso de María.I like María's flat.

Quiero una casa en el centro de Madrid.I want a house in the centre of Madrid.

Regular nouns form their plural by adding an -s to their singular form:

Me gustan los pisos de María.I like María's flats.

Quiero dos casas en el centro de Madrid.I want two houses in the centre of Madrid.

Here are more examples:

Mi padre va a pintar un cuadro.My dad is going to paint a picture.

Pongo la comida en el horno para calentar.I'm putting the food in the oven to heat it up.

La abuela viene hoy a comer.Grandma is coming for lunch today.

Tenemos una pizarra interactiva en mi clase.We have an interactive board in class.

Mis amigos Rafa y Luis viven en Granada.My (male) friends Rafa and Luis live in Granada.

Mis amigas Lola y Sandra viven en Alicante.My (female) friends Lola and Sandra live in Alicante.

Remember that the articles and adjectives that accompany the nouns must agree in number and gender.

To learn about regular ending adjectives see also:

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Examples and resources

Mis amigos Rafa y Luis viven en Granada.My (male) friends Rafa and Luis live in Granada.
Me gustan los pisos de María.I like María's flats.
Tenemos una pizarra interactiva en mi clase.We have an interactive board in class.
Pongo la comida en el horno para calentar.I'm putting the food in the oven to heat it up.
Mi padre va a pintar un cuadro.My dad is going to paint a picture.
Quiero dos casas en el centro de Madrid.I want two houses in the centre of Madrid.
Me gusta el piso de María.I like María's flat.
La abuela viene hoy a comer.Grandma is coming for lunch today.
Mis amigas Lola y Sandra viven en Alicante.My (female) friends Lola and Sandra live in Alicante.
Quiero una casa en el centro de Madrid.I want a house in the centre of Madrid.
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