by PushtoLearn
Formas del Presente Simple de "To Be" – Am / Is / Are - Reglas y Uso
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El Verbo "To Be" en Presente Simple - Ejercicios y Cuestionario
Estos ejercicios se centran en las diferentes formas del verbo "To Be" en Presente Simple.
Resumen Rápido
✔️ "Am" → I
✔️ "Is" → He, She, It
✔️ "Are" → You, We, They
✔️ Para negativas, agrega "not"
✔️ Para preguntas, invierte el sujeto y el verbo

Formas del Presente Simple del Verbo "To Be"
|
Sujeto |
Verbo "To Be" |
Ejemplo |
|
I |
am |
I am a student. |
|
He / She / It |
is |
She is my friend. |
|
You / We / They |
are |
They are happy. |
📌 Consejo: La forma de "To Be" cambia dependiendo del sujeto.
Cómo usar "Am / Is / Are"
✔️ Para identidad e información personal
-
I am a teacher.
-
She is from Canada.
-
They are my classmates.
✔️ Para descripciones y características
-
The sky is blue.
-
You are very kind.
-
He is tall.
✔️ Para ubicaciones
-
I am at home.
-
The books are on the table.
-
She is in the office.
✔️ Para sentimientos y condiciones
-
We are tired.
-
He is sick.
-
I am happy today.
📌 Consejo: El verbo "To Be" NO se sigue de otro verbo en Presente Simple.
Forma Negativa del Verbo "To Be"
Para hacer una oración negativa, agrega "not" después del verbo "To Be".
|
Sujeto |
Forma Negativa |
Ejemplo |
|
I |
am not |
I am not a doctor. |
|
He / She / It |
is not (isn’t) |
She is not at home. / She isn’t at home. |
|
You / We / They |
are not (aren’t) |
They are not ready. / They aren’t ready. |
📌 Consejo: Las contracciones más comunes son:
✔ "Is not" → "isn’t"
✔ "Are not" → "aren’t"
Preguntas con "To Be"
Para formar preguntas, invierte el sujeto y el verbo "To Be".
|
Oración Afirmativa |
Pregunta |
|
You are a teacher. |
Are you a teacher? |
|
She is happy. |
Is she happy? |
|
They are at home. |
Are they at home? |
Preguntas de Sí/No:
✔️ Are you from France? → Yes, I am. / No, I’m not.
✔️ Is she your sister? → Yes, she is. / No, she isn’t.
Preguntas con "Wh-"
✔️ Where is your book? → It is on the table.
✔️ How are you? → I am fine.
Errores Comunes con "To Be"
|
Error |
Incorrecto ❌ |
Correcto ✅ |
|
Olvidar el verbo "To Be" |
She happy. ❌ |
She is happy. ✅ |
|
Usar "do/does" con "To Be" |
Does she is a doctor? ❌ |
Is she a doctor? ✅ |
|
Usar la forma incorrecta |
They is my friends. ❌ |
They are my friends. ✅ |
📌 Consejo: ¡NUNCA uses "do" o "does" con "To Be"!
FAQ:
¿Puedo usar "am not" en preguntas?
➡️ No. En su lugar, usa "Aren’t I?"
❌ Am I not your friend?
✅ Aren’t I your friend?
¿Cuál es la contracción de "I am"?
➡️ "I’m"
✔️ I’m happy.
¿Puedo decir "I amn’t"?
➡️ No. En su lugar, di "I’m not."
¿Puedo usar "To Be" con otro verbo?
➡️ No. En el Presente Simple, "To Be" no se sigue de otro verbo.
❌ She is study English.
✅ She is a student.
¿Cómo hago una pregunta negativa?
➡️ Usa "Aren’t" / "Isn’t" al inicio.
✔️ Isn’t she your teacher?
✔️ Aren’t they coming?