2 Possessive adjectives in English are as follows: my ouryour yourhis, her, theirits
3 Possessive adjectives in Spanish: mi nuestro tu vuestro su su Because these are possessive adjectives, they change just like all other adjectives:mi casa, mis casas nuestro libro, nuestros libros, nuestra casa, nuestras casastu casa, tus casas vuestro libro, vuestros libros, vuestra casa, vuestras casassu casa, sus casas su casa, sus casasMi, tu, and su have just singular and plural forms, because they don’t end with an –o. Nuestro and vuestro, which do end with an –o, have four forms: masculine singular, feminine singular, masculine plural, feminine plural.
4 “Sus” can mean “his,” “her,” “its,” “their,” or “your.” mi nuestrotu vuestrosu suYou may be bothered by the fact that “su” is in two places. “Su” can mean “his,” “her,” “its,” “their,” or “your.”“Sus” can mean “his,” “her,” “its,” “their,” or “your.”You use “su” when the noun is singular:su primo = his cousin, her cousin, your cousin, their cousinsus primos = his primos, her primos, your primos, their primosThe only thing the –s on the end of the “su” tells you is that the noun is plural. It tells you absolutely nothing about whether the word means his, their, etc.
5 What you can do if it’s not clear whether “su” means “his,” “her,” etc What you can do if it’s not clear whether “su” means “his,” “her,” etc., is this:su libro = el libro de élsu libro = el libro de ellaIn other words, you can say “the book of him” rather than “his book.
6 That brings us to another point: there are no apostrophes in Spanish That brings us to another point: there are no apostrophes in Spanish. The way you say, “Juan’s father,” is “the father of Juan”:El padre de Juan
7 PrácticaMi madre ¿Dónde está tu padre? Él es su primo. Nuestra familia es grande. Su hermanastro es guapo.My mother Where is your father? He is her cousin. Our family is big. Their step-brother is good looking.