Autor: Altus Team

Lea how to use 'can' and 'can't' in English to talk about abilities, possibilities, and permission. Easy examples and fun explanations for beginners!

Can and Can't: Talking About Abilities, Possibilities, and Permission

The words can and can't are modal verbs that help us talk about what we can do, what is possible, and what we are allowed to do. Let’s make it simple! 🚀

How to Use (quotes)Can(quotes)

Can is used to express:
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  • Ability (Habilidad): What someone is able to do.
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  • Possibility (Posibilidad): What is possible to happen.
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  • Permission (Permiso): What someone is allowed to do.

Structure

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  • Affirmative: Subject + can + base verb
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    • Example: (quotes)I can swim.(quotes) (Yo puedo nadar.)
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  • Negative: Subject + cannot/can’t + base verb
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    • Example: (quotes)He can’t drive.(quotes) (Él no puede manejar.)
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  • Question: Can + subject + base verb?
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    • Example: (quotes)Can you speak Spanish?(quotes) (¿Puedes hablar español?)

Examples of (quotes)Can(quotes) in Use

TypeExampleTranslation
Ability(quotes)I can play the piano.(quotes)(quotes)Yo puedo tocar el piano.(quotes)
Possibility(quotes)We can go to the park if it doesn’t rain.(quotes)(quotes)Podemos ir al parque si no llueve.(quotes)
Permission(quotes)You can borrow my book.(quotes)(quotes)Puedes tomar prestado mi libro.(quotes)

How to Use (quotes)Can't(quotes)

Can’t (short for (quotes)cannot(quotes)) is used to express:
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  • Inability (Falta de habilidad): What someone is unable to do.
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  • Impossibility (Imposibilidad): What is not possible.
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  • Prohibition (Prohibición): What is not allowed.

Structure

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  • Affirmative: ✖️ Not possible with (quotes)can't.(quotes) (Only negative or prohibitive use.)
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  • Negative: Subject + cannot/can’t + base verb
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    • Example: (quotes)I can’t sing.(quotes) (No puedo cantar.)
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  • Question: Can + subject + base verb?
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    • Example: (quotes)Can’t he join us?(quotes) (¿No puede unirse a nosotros?)

Examples of (quotes)Can't(quotes) in Use

TypeExampleTranslation
Inability(quotes)I can’t ride a bike.(quotes)(quotes)No puedo montar en bicicleta.(quotes)
Impossibility(quotes)We can’t finish this project today.(quotes)(quotes)No podemos terminar este proyecto hoy.(quotes)
Prohibition(quotes)You can’t park here.(quotes)(quotes)No puedes estacionarte aquí.(quotes)

How to Ask Questions with (quotes)Can(quotes)

Use (quotes)Can(quotes) at the beginning of a question to ask about abilities, possibilities, or permission:
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  • Ability: (quotes)Can she drive?(quotes) (¿Puede ella manejar?)
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  • Possibility: (quotes)Can we go out tonight?(quotes) (¿Podemos salir esta noche?)
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  • Permission: (quotes)Can I use your phone?(quotes) (¿Puedo usar tu teléfono?)

Common Mistakes

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  • ❌ Don’t say: (quotes)I can to swim.(quotes) ✔ Correct: (quotes)I can swim.(quotes)
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  • ❌ Don’t say: (quotes)She can sings.(quotes) ✔ Correct: (quotes)She can sing.(quotes)
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  • Remember: (quotes)Can(quotes) is always followed by the base verb.

Tips for Lea ing

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  • Practice sentences like: (quotes)I can __(quotes) and (quotes)I can’t __(quotes) with your own abilities.
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  • Look for (quotes)can(quotes) in movies or songs and note how it’s used. 🎶
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  • Use flashcards to test your knowledge of (quotes)can(quotes) and (quotes)can’t.(quotes)

Key Vocabulary to Practice

VerbExample with (quotes)Can(quotes)Translation
Swim(quotes)I can swim.(quotes)(quotes)Puedo nadar.(quotes)
Run(quotes)He can run fast.(quotes)(quotes)Él puede correr rápido.(quotes)
Cook(quotes)She can cook delicious food.(quotes)(quotes)Ella puede cocinar comida deliciosa.(quotes)
Sing(quotes)They can sing beautifully.(quotes)(quotes)Ellos pueden cantar hermosamente.(quotes)
Read(quotes)We can read English books.(quotes)(quotes)Podemos leer libros en inglés.(quotes)
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¡Hora de hacer ejercicios! Explora con los botones los distintos grupos.

Using 'Can' and 'Can't'

Pregunta 1: I ___ swim very well.
Pregunta 2: She ___ cook delicious meals.
Pregunta 3: We ___ park here. It’s not allowed.
Pregunta 4: ___ you help me with my homework?
Pregunta 5: They ___ go outside because it’s raining.
Pregunta 6: ___ we leave early today?
Pregunta 7: I ___ speak three languages: English, Spanish, and French.
Pregunta 8: He ___ play the piano, but he can’t play the guitar.
Pregunta 9: You ___ borrow my book if you need it.
Pregunta 10: We ___ finish the project today because there’s no time.
Inglés · Grammar · A1
Lección 5 de 19

How to Use Can and Can’t: Ability, Possibility, and Permission

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