Purpose

By the end of this lesson, you will be able to list the Spanish subject pronouns and correctly choose between “ser” and “estar” in simple sentences.

Lesson Explanation

Spanish subject pronouns:

yo — I
tú — you (informal, singular)
él / ella / usted — he / she / you (formal, singular)
nosotros / nosotras — we
vosotros / vosotras — you all (informal, Spain only)
ellos / ellas / ustedes — they / you all (formal or Latin America)

Because Spanish verb endings already show who the subject is, these pronouns are frequently dropped entirely in normal speech — Soy Ana is far more natural than Yo soy Ana. This is a genuinely important habit to build early, not just a stylistic option.

Spanish has two verbs that both translate to English “to be” — a distinction with no equivalent in English at all. This is one of the single hardest points for English speakers learning Spanish, and it will be revisited in full depth in Part 4, Lesson 5. For now, learn this core rule:

ser   — used for permanent or defining traits: identity, origin, profession, characteristics
estar — used for temporary states or location: feelings, conditions, where something is

Compare:

Ana es doctora.  — Ana is a doctor. (permanent/defining trait → ser)
Ana está cansada. — Ana is tired. (temporary state → estar)
El libro es rojo. — The book is red. (defining characteristic → ser)
El libro está en la mesa. — The book is on the table. (location → estar)

Practice Questions