Este es un libro.

This is a book.

Breakdown of Este es un libro.

• este: this
• ser: to be
• el libro: the book

Questions & Answers about Este es un libro.

Why do we use este instead of esto or esta in Este es un libro?

In Spanish, este is the masculine demonstrative adjective used when referring to a masculine noun (in this case, libro, which is masculine). Esto refers to something unnamed or abstract (such as an idea or concept) or something whose gender you don’t specify yet. Esta is the feminine form and would be used with a feminine noun (for example, esta mesa = “this table”).

Why is es used instead of está in Este es un libro?

Es comes from the verb ser, which is used for permanent states, definitions, or essential characteristics (like identifying or defining what something is). Estar is used for temporary conditions or locations. Since we’re identifying the object as a book, we use es.

Could we say Eso es un libro instead of Este es un libro?

Yes, but there’s a subtle difference. Este means “this” (something close to the speaker), while eso means “that” (something not quite as close or more abstract)—so the context changes slightly. Este is typically used for something within the speaker’s immediate reach or something very nearby.

Why do we say un libro instead of uno libro?

Un is the masculine indefinite article placed before a masculine noun (like libro). When uno is used before a noun, it drops the final -o and becomes un. The form uno is used when it stands on its own, not directly before a noun (e.g., “¿Tienes un libro?”—“Sí, tengo uno”).

Is there any accent mark on este in modern Spanish?

No. According to current spelling rules by the RAE (Real Academia Española), demonstrative adjectives and pronouns (este, ese, aquel, etc.) are typically written without accent marks. You might still see older texts with éste, ése, or aquél, but the standard today is to write them all without the accent.