There are two verbs that mean "to be" in Spanish: ser y estar.
Look at the conjugation of the verb estar in context:
| íEstoy feliz! | I am happy! |
| ┐C≤mo estßs? | How are you? (informal) |
| Estß triste. | He/She is sad. |
| ┐C≤mo estß? | How are you? (formal) |
| íEstamos felices! | We are happy. |
| ┐C≤mo estßis? | How are you? |
| Estßn cansados. | They are tired. |
| ┐C≤mo estßn? | How are you? |
Here is a quick reference chart for estar:
estar
| yo estoy | nosotros estamos |
| t· estßs | vosotros estßis |
| Θl/ella/usted estß | ellos/ellas/ustedes estßn |
Use ser for permanent characteristics and
estar to indicate condition or location.
To learn more about the verb ser, you can consult the
Grammar page on this verb: ser