Ser vs Estar: which Spanish “to be” to use

Short answer

Use ser for identity, origin, material, time and lasting traits. Use estar for location, temporary states and the result of a change. Es alegre means he is a cheerful person; está alegre means he is cheerful right now.

Level A1 · verbs, ser estar

The rule in full

serestar
yosoyestoy
eresestás
él/ella/ustedesestá
nosotrossomosestamos
vosotrossoisestáis
ellos/ustedessonestán

ser — identity, origin, profession, material, time, permanent traits:

  • Soy médico. Es de México. Son las tres.

estar — location, temporary state, result, -ando forms:

  • Estoy cansado. El libro está en la mesa. Está lloviendo.

Meaning changes

Adjectiveserestar
aburridoboringbored
listocleverready
ricorichtasty
verdegreenunripe

Check yourself

5 questions, with the reason for each answer.

Question 1 of 50 correct

Mi hermana ___ médica.

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