SER vs ESTAR: Bien, Bueno, Mal y Malo | Spanish A2

Good, bad, well, badly · Spanish A2

1. When do we use SER and ESTAR?

First, remember this idea:

SER: identifies or describes the characteristics of a person, thing or situation.
ESTAR: expresses states, conditions or how we feel.

2. SER + BUENO / MALO

We use SER + BUENO/A/S and MALO/A/S to talk about characteristics, qualities or opinions.

Expression	Meaning	Example
Ser bueno	To have good qualities	María es buena persona. (María is a good person.)
Ser malo	To have bad qualities	Ese hombre es malo. (That man is bad.)
Ser bueno	To be of good quality	Este restaurante es muy bueno. (This restaurant is very good.)
Ser malo	To be of poor quality	Este libro es malo. (This book is bad.)

We can also talk about skills:

Juan es bueno en matemáticas. (Juan is good at maths.)
Mi hermana es buena cocinera. (My sister is a good cook.)
Soy malo jugando al fútbol. (I am bad at playing football.)

3. ESTAR + BIEN / MAL

We use ESTAR + BIEN / MAL to express states, situations or results.

Expression	Meaning	Example
Estar bien	To feel well	Hoy estoy bien. (Today I am fine.)
Estar mal	To feel unwell	Mi padre está mal. (My father is not well.)
Estar bien	To be correct	Tu respuesta está bien. (Your answer is correct.)
Estar mal	To be incorrect	Este ejercicio está mal. (This exercise is wrong.)

More examples:

¿Cómo estás? Estoy bien, gracias. (How are you? I am fine, thanks.)
¿Qué tal el examen? Creo que está bien. (How was the exam? I think it is fine.)
No estoy bien, tengo dolor de cabeza. (I am not well, I have a headache.)
Tu habitación está muy bien organizada. (Your room is very well organised.)

⚠ Important!

We never say “es bien” or “es mal”. Bien and mal are adverbs: they are not used with SER. We say es bueno / es malo (SER) or está bien / está mal (ESTAR). With other verbs: Hablas bien. Cantan mal. (You speak well. They sing badly.)

4. Careful! SER BUENO ≠ ESTAR BUENO

This difference is very important.

SER BUENO/A

It has good qualities.

Pedro es bueno. (He is a good person.)
Este restaurante es bueno. (It is of good quality.)

ESTAR BUENO/A

It tastes good, or someone looks physically attractive.

Esta pizza está buenísima. (It tastes very good.)
Ese chico está muy bueno. (He is very attractive.)

SER MALO/A

It has bad qualities or poor quality.

Mi jefe es malo. (He is not a good person.)
Esta película es mala. (It is of poor quality.)

ESTAR MALO/A

Someone is ill, or something has gone off.

Estoy malo. (I am ill.)
La leche está mala. (You cannot drink it.)

5. Now practise!

There are 5 activities (24 questions). Click an answer to see straight away if it is correct. Each correct answer is +1 point.

Activity 1 · SER or ESTAR?

Choose the correct form of the verb.

1. Marta ___ una buena amiga.

✔ Correct! +1 point. Quality of a person → SER.

está

✘ Not quite. The correct answer is: es. Quality of a person → SER.

2. Hoy mi madre ___ mal. Tiene fiebre.

✘ Not quite. The correct answer is: está. How someone feels now → ESTAR.

está

✔ Correct! +1 point. How someone feels now → ESTAR.

3. Esta película ___ muy mala.

✔ Correct! +1 point. Poor quality → SER.

está

✘ Not quite. The correct answer is: es. Poor quality → SER.

4. La leche ___ mala. Huele fatal.

✘ Not quite. The correct answer is: está. Condition of food (it has gone off) → ESTAR.

está

✔ Correct! +1 point. Condition of food (it has gone off) → ESTAR.

5. Ese chico ___ malo. Siempre miente.

✔ Correct! +1 point. Characteristic of a person → SER (he is not a good person).

está

✘ Not quite. The correct answer is: es. Characteristic of a person → SER (he is not a good person).

6. Mi abuela ___ mala. Tiene gripe.

✘ Not quite. The correct answer is: está. State of health → ESTAR (she is ill, not a bad person).

está

✔ Correct! +1 point. State of health → ESTAR (she is ill, not a bad person).

7. Acabo de probar esta pizza: ¡___ buenísima!

✘ Not quite. The correct answer is: está. Taste → ESTAR + bueno.

está

✔ Correct! +1 point. Taste → ESTAR + bueno.

Activity 2 · bien, bueno, buen, buena

Pick the correct word from three options.

1. Mi hermano canta muy ___.

bien

✔ Correct! +1 point. It describes the verb cantar → adverb BIEN.

bueno

✘ Not quite. The correct answer is: bien. It describes the verb cantar → adverb BIEN.

buen

✘ Not quite. The correct answer is: bien. It describes the verb cantar → adverb BIEN.

2. Es un ___ restaurante.

bien

✘ Not quite. The correct answer is: buen. Before a masculine singular noun, bueno becomes BUEN.

buen

✔ Correct! +1 point. Before a masculine singular noun, bueno becomes BUEN.

bueno

✘ Not quite. The correct answer is: buen. Before a masculine singular noun, bueno becomes BUEN.

3. Tus amigas son muy ___.

buenas

✔ Correct! +1 point. Adjectives agree: amigas is feminine plural → BUENAS.

buenos

✘ Not quite. The correct answer is: buenas. Adjectives agree: amigas is feminine plural → BUENAS.

bien

✘ Not quite. The correct answer is: buenas. Adjectives agree: amigas is feminine plural → BUENAS.

4. Hoy no estoy ___. Me duele la cabeza.

bueno

✘ Not quite. The correct answer is: bien. How I feel → estoy BIEN.

bien

✔ Correct! +1 point. How I feel → estoy BIEN.

buen

✘ Not quite. The correct answer is: bien. How I feel → estoy BIEN.

Activity 3 · Complete the conversation

Choose the word or verb that completes each mini-dialogue.

1. — ¿Cómo estás? — Estoy ___, gracias.

bien

✔ Correct! +1 point. Answer to “¿Cómo estás?” → estoy BIEN.

bueno

✘ Not quite. The correct answer is: bien. Answer to “¿Cómo estás?” → estoy BIEN.

buena

✘ Not quite. The correct answer is: bien. Answer to “¿Cómo estás?” → estoy BIEN.

2. — ¿Qué tal la paella? — ¡Está muy ___!

bueno

✘ Not quite. The correct answer is: buena. Taste of food; paella is feminine → BUENA.

bien

✘ Not quite. The correct answer is: buena. Taste of food; paella is feminine → BUENA.

buena

✔ Correct! +1 point. Taste of food; paella is feminine → BUENA.

3. — ¿Cómo es tu jefe? — ___ una persona muy buena.

✔ Correct! +1 point. “¿Cómo es…?” asks what someone is like → SER (es).

Está

✘ Not quite. The correct answer is: Es. “¿Cómo es…?” asks what someone is like → SER (es).

Estoy

✘ Not quite. The correct answer is: Es. “¿Cómo es…?” asks what someone is like → SER (es).

4. — ¿Puedo cerrar la ventana? — Sí, ___ bien.

✘ Not quite. The correct answer is: está. “Está bien” = it is OK → ESTAR.

está

✔ Correct! +1 point. “Está bien” = it is OK → ESTAR.

estoy

✘ Not quite. The correct answer is: está. “Está bien” = it is OK → ESTAR.

Activity 4 · Find the mistake

Only one sentence is correct. Click it.

1. Which sentence is correct?

Mi hijo es mal hoy.

✘ Not quite. The correct answer is: Mi hijo está mal hoy.. How he feels today → ESTAR + mal.

Mi hijo está mal hoy.

✔ Correct! +1 point. How he feels today → ESTAR + mal.

2. Which sentence is correct?

Es una buena idea.

✔ Correct! +1 point. Before a noun we need the adjective buena, not the adverb bien.

Es una bien idea.

✘ Not quite. The correct answer is: Es una buena idea.. Before a noun we need the adjective buena, not the adverb bien.

3. Which sentence is correct?

Ellas cantan bueno.

✘ Not quite. The correct answer is: Ellas cantan bien.. After a verb we use the adverb BIEN.

Ellas cantan bien.

✔ Correct! +1 point. After a verb we use the adverb BIEN.

4. Which sentence is correct?

Es un mal día.

✔ Correct! +1 point. Before a masculine singular noun, malo becomes MAL.

Es un malo día.

✘ Not quite. The correct answer is: Es un mal día.. Before a masculine singular noun, malo becomes MAL.

5. Which sentence is correct?

Es bien así.

✘ Not quite. The correct answer is: Está bien así.. We never say “es bien”. “Está bien” = it is OK → ESTAR.

Está bien así.

✔ Correct! +1 point. We never say “es bien”. “Está bien” = it is OK → ESTAR.

Activity 5 · English to Spanish

Choose the correct Spanish translation.

1. My sister is a good doctor.

Mi hermana es una buena doctora.

✔ Correct! +1 point. Doctora is feminine → BUENA (buen is only for masculine nouns).

Mi hermana es una buen doctora.

✘ Not quite. The correct answer is: Mi hermana es una buena doctora.. Doctora is feminine → BUENA (buen is only for masculine nouns).

2. I am not well today.

No estoy bien hoy.

✔ Correct! +1 point. How I feel now → ESTAR + bien.

No soy bien hoy.

✘ Not quite. The correct answer is: No estoy bien hoy.. How I feel now → ESTAR + bien.

3. The coffee is bad today (it tastes bad).

El café está malo hoy.

✔ Correct! +1 point. Café is masculine → MALO. Taste now → ESTAR.

El café está mala hoy.

✘ Not quite. The correct answer is: El café está malo hoy.. Café is masculine → MALO. Taste now → ESTAR.

4. They are very good students.

Son muy buenos estudiantes.

✔ Correct! +1 point. Plural noun → BUENOS (buen is only singular).

Son muy buen estudiantes.

✘ Not quite. The correct answer is: Son muy buenos estudiantes.. Plural noun → BUENOS (buen is only singular).

6. Your score

Add up your ✔ points (maximum 24) and click your range:

22 – 24 points

Excellent! You use SER / ESTAR with bien, bueno, mal and malo very well.

16 – 21 points

Good job! Review SER BUENO vs ESTAR BUENO and try again.

0 – 15 points

Keep practising! Read the explanation again and repeat the activities.