How to use the verbs SER y ESTAR

Description of permanent characteristics: Personality: She is intelligent.

Physical characteristics: He is tall.

Origin and nationality: I am Spanish.

Occupation: She is a teacher.

Identification: Relationships: We are friends.

Identifying things or people: That is my car.

Time and date: Today is Monday. It is three in the afternoon.

Origin and material: The book is made of paper. I am from Madrid.

Possession: The book is mine.

Temporary states

Emotions: I'm happy. 

Physical conditions: I'm tired.

Location: The book is on the table. We are in the park.

Actions in progress (with the gerund): I'm eating. They are working.

Changing states: The soup is cold. The sky is cloudy.