← English 5Β°
The Verb "To Be"
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English 5Β° Β· Unit 1
The Verb "To Be"
AM Β· IS Β· ARE β€” Affirmative, Negative & Questions
Unit 1 Β· Grammar
ΒΏQuΓ© es el Verbo To Be?
El verbo mΓ‘s importante del inglΓ©s. Lo usamos todo el tiempo para presentarnos, describir cΓ³mo nos sentimos y hablar del mundo que nos rodea.
πŸ“Œ La idea principal

"To Be" en espaΓ±ol significa "Ser" o "Estar". En inglΓ©s, sin embargo, se usa un solo verbo para ambos significados. Tiene tres formas segΓΊn quiΓ©n habla:

AM
Solo con I
I am happy
IS
He Β· She Β· It
She is tall
ARE
You Β· We Β· They
We are friends
🎯 ¿Para qué lo usamos?
πŸ™‹
Presentarte
I am Sofia.
Yo soy SofΓ­a.
😊
Describir sentimientos
He is happy.
Γ‰l estΓ‘ feliz.
πŸ“
Indicar lugar
We are at school.
Estamos en el colegio.
πŸ“
Describir caracterΓ­sticas
The cat is small.
El gato es pequeΓ±o.
ΒΏSabΓ­as que? Los pronombres en inglΓ©s son siempre obligatorios. No puedes decir solo "am happy" β€” debes decir "I am happy". A diferencia del espaΓ±ol, donde "soy feliz" es suficiente, en inglΓ©s siempre va el sujeto.
βœ… Positive Form
Forma Afirmativa
Usamos el verbo to be en positivo para decir quΓ© somos, cΓ³mo estamos y dΓ³nde estamos.
Subject + AM / IS / ARE + complement
Estructura: Sujeto + Verbo To Be + complemento
πŸ“‹ Tabla completa β€” Affirmative
PronounFull formContractionExample
I I am I'm I'm 11 years old.
Tengo 11 aΓ±os.
You You are You're You're my friend.
Eres mi amigo/a.
He He is He's He's tall.
Γ‰l es alto.
She She is She's She's happy.
Ella estΓ‘ feliz.
It It is It's It's a big dog.
Es un perro grande.
We We are We're We're students.
Somos estudiantes.
They They are They're They're from Chile.
Son de Chile.
πŸ’¬ Examples in context
πŸ§’ Lucas (10 aΓ±os)
"Hi! I'm Lucas. I'm 10 years old."
Hola, soy Lucas. Tengo 10 aΓ±os.
πŸ‘©β€πŸ« Miss Chen (profesora)
"She's very smart. She's our teacher."
Ella es muy inteligente. Es nuestra profesora.
πŸ‘« SofΓ­a y Ana (amigas)
"We're best friends. We're in 5th grade."
Somos mejores amigas. Estamos en 5Β° bΓ‘sico.
πŸ’‘ Contractions (contracciones) β€” En inglΓ©s hablado y escrito informal, siempre usamos la forma contraΓ­da: I'm (no "I am"), He's (no "He is"). Suena mΓ‘s natural. Ambas formas son correctas.
❌ Negative Form
Forma Negativa
Para negar con "to be", solo agregamos NOT despuΓ©s del verbo. Β‘Sin auxiliar, sin complicaciones!
Subject + AM / IS / ARE + NOT + complement
Estructura: Sujeto + Verbo To Be + NOT + complemento
πŸ“‹ Tabla completa β€” Negative
PronounFull formContractionExample
I I am not I'm not I'm not tired.
No estoy cansado/a.
You You are not You aren't You aren't late.
No llegas tarde.
He He is not He isn't He isn't sad.
Γ‰l no estΓ‘ triste.
She She is not She isn't She isn't at home.
Ella no estΓ‘ en casa.
It It is not It isn't It isn't cold.
No hace frΓ­o.
We We are not We aren't We aren't bored.
No estamos aburridos.
They They are not They aren't They aren't here.
Ellos/as no estΓ‘n aquΓ­.
πŸ˜… SituaciΓ³n: Β‘llegas a tiempo!
"I'm not late. The class starts now."
No llego tarde. La clase empieza ahora.
🐈 Hablando de la mascota
"It isn't a cat. It's a rabbit!"
No es un gato. Β‘Es un conejo!
⚠️ Β‘Ojo con "I"! β€” La ΓΊnica forma que NO tiene contracciΓ³n alternativa es "I'm not". En inglΓ©s NO existe "I amn't". La forma correcta siempre es I'm not (no "I aren't" ni "I isn't").
❓ Question Form
Preguntas con To Be
Para hacer preguntas, cambiamos el orden: el verbo va al principio, antes del sujeto.
AM / IS / ARE + Subject + complement ?
Estructura: Verbo To Be + Sujeto + complemento + ?
πŸ”„ Afirmativo β†’ Pregunta
I am hungry.
β†’
Am I hungry?
You are a student.
β†’
Are you a student?
He is your brother.
β†’
Is he your brother?
They are from Chile.
β†’
Are they from Chile?
πŸ’¬ Short answers β€” Respuestas cortas
βœ… YES
Am I...? β†’ Yes, you are.
Are you...? β†’ Yes, I am.
Is he...? β†’ Yes, he is.
Is she...? β†’ Yes, she is.
Is it...? β†’ Yes, it is.
Are we...? β†’ Yes, we are.
Are they...? β†’ Yes, they are.
❌ NO
Am I...? β†’ No, you aren't.
Are you...? β†’ No, I'm not.
Is he...? β†’ No, he isn't.
Is she...? β†’ No, she isn't.
Is it...? β†’ No, it isn't.
Are we...? β†’ No, we aren't.
Are they...? β†’ No, they aren't.
πŸ‘© β€” Miss Chen pregunta:
"Are you ready for the test?"
ΒΏEstΓ‘n listos para la prueba?
πŸ‘¦ β€” Lucas responde:
"Yes, we are! / No, we aren't!"
Β‘SΓ­, lo estamos! / Β‘No, no lo estamos!
πŸ’‘ Regla de oro: En preguntas, el verbo "to be" siempre va PRIMERO. Nunca uses "do" o "does" con "to be" β€” eso es un error muy comΓΊn. βœ… "Is he happy?" Β· ❌ "Does he is happy?"
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πŸ“š Vocabulary Bank
Palabras para armar frases
Aprende estas palabras clave y ΓΊsalas con el verbo "to be" para construir oraciones completas en inglΓ©s.
😊 Feelings & Descriptions β€” Sentimientos y descripciones
happy
feliz
I'm happy
sad
triste
She isn't sad
tired
cansado/a
He is tired
hungry
hambriento/a
Are you hungry?
bored
aburrido/a
We aren't bored
excited
emocionado/a
She is excited
scared
asustado/a
Is he scared?
angry
enojado/a
I'm not angry
tall
alto/a
He is tall
short
bajo/a
She isn't short
young
joven
They are young
smart
inteligente
You are smart
funny
gracioso/a
He is funny
cold
frΓ­o/a
I'm cold
hot
caluroso/a
Are you hot?
ready
listo/a
We are ready!
πŸ“ Places β€” Lugares
at school
en el colegio
We are at school
at home
en casa
She is at home
at the park
en el parque
They are at the park
at the beach
en la playa
Are you at the beach?
in Chile
en Chile
I am in Chile
in class
en clases
We are in class
πŸ‘₯ People & Roles β€” Personas y roles
a student
un/a estudiante
I am a student
a teacher
un/a profesor/a
She is a teacher
a doctor
un/a doctor/a
He is a doctor
a friend
un/a amigo/a
You are my friend
a player
un/a jugador/a
He is a player
a singer
un/a cantante
She is a singer
🌍 Nationalities β€” Nacionalidades
Chilean
chileno/a
I am Chilean
American
americano/a
He is American
British
britΓ‘nico/a
She is British
French
francΓ©s/a
They are French
Chinese
chino/a
Is she Chinese?
Brazilian
brasileΓ±o/a
They are Brazilian
πŸ› οΈ Phrase Builder β€” Β‘Arma tu frase!
Haz clic en un pronombre y luego en una palabra para construir tu oraciΓ³n.
1 Β· Choose a subject (pronombre)
2 Β· Choose a word (palabra)
πŸ‘† Empieza haciendo clic en un pronombre
πŸ’‘ Tip: Cuando practiques con el Phrase Builder, trata de decir la frase en voz alta. Leer + escuchar + hablar = aprender mΓ‘s rΓ‘pido. πŸ—£οΈ
🎯 Practice
Activities β€” Β‘A practicar!
Seis actividades para reforzar lo aprendido. Completa cada una para ganar estrellas ⭐
Activity 1 Β· Match the pronoun with its verb form
Haz clic en un pronombre y luego en la forma correcta del verbo to be.
Pronoun
To Be form
πŸŽ‰ Β‘Perfecto! All matched correctly!
Activity 2 Β· Choose the correct form
Selecciona AM, IS o ARE para completar cada oraciΓ³n.
Progress0 / 6
🌟
Activity 2 completed!
Activity 3 Β· Affirmative, Negative or Question?
Lee cada oraciΓ³n e identifica si es afirmativa (βœ…), negativa (❌) o pregunta (❓).
Progress0 / 5
🎯
Activity 3 completed!
Β‘Sigue con la Activity 4!
Activity 4 Β· Make it NEGATIVE! β€” Β‘Ponlo en negativo!
Lee la oraciΓ³n afirmativa y elige la forma negativa correcta.
Progress0 / 6
πŸ’ͺ
Activity 4 completed!
Β‘DominΓ‘s la forma negativa!
Activity 5 Β· Sentence Scramble β€” Β‘Ordena las palabras!
Haz clic en las palabras en el orden correcto para armar la oraciΓ³n.
Progress0 / 5
🧩
Activity 5 completed!
Β‘Excelente construcciΓ³n de oraciones!
Activity 6 Β· Translate to English β€” Β‘Del espaΓ±ol al inglΓ©s!
Lee la frase en espaΓ±ol y elige la traducciΓ³n correcta en inglΓ©s.
Progress0 / 6
πŸ†
Β‘All 6 activities done!
Β‘EstΓ‘s listo/a para la Prueba Final!

πŸ“ Prueba Final Β· The Verb To Be

15 preguntas Β· SelecciΓ³n mΓΊltiple Β· Nota escala chilena (1.0 – 7.0)

Question 1 of 15 βœ“ 0 correct
πŸŽ“
β€”
Nota final