Hello!
To change singular nouns to plural nouns, you add an -s if the ending letter is a vowel. If the last letter is a consonant, you add -es.
To change plural nouns to singular nouns, you remove the -s or -es.
To change "las casas", a plural noun, into a singular noun, it would be "la casa".
Therefore, the singular form of "las casas" is la casa.
What clothes do you like to buy in the summer?
Answer:
una explicacion cientifica es una explicacion de un fenomeno a partir de una teoria cientifica. La mitologia es un conjunto de mitos relativamente cohesionados o paralelamente adheridos. Un mito urbano es Un mito urbano es un relato que a lo mejor sucedió realmente pero que en ocasiones no es cierto.
Explanation:
This isn't really a question so u need to give more info or at least 1 question