In Spanish, we have two different words for "to be": “ser” and “estar.” Each word has its own special use.

When to use "ser":

• Use it for things that don't change.
  • Example: Ella es alta. (She is tall.)
• Use it when telling time.
  • Example: Son las tres. (It's three o'clock.)

When to use "estar":

• Use it for feelings or situations that can change.
  • Example: Estoy cansado. (I am tired.)
• Use it to show where something is located.
  • Example: El libro está en la mesa. (The book is on the table.)

When you describe people or things, follow these easy rules:

• If it’s something permanent, say: "Es [adjective].”
• If it’s something temporary, use: "Está [adjective].”

Here’s some practice:

• Mi amigo es divertido. (My friend is fun.)
• La puerta está abierta. (The door is open.)