B1 · Intermedio Capítulo 12

¡Exprésate con naturalidad! Domina tus habilidades y peticiones

5 Reglas totales
59 ejemplos
6 min
Reglas en este capítulo Práctica rápida

Chapter in 30 Seconds

Unlock your potential by mastering the art of ability and polite communication in English.

  • Identify the core functions of modal verbs.
  • Describe your past and present abilities accurately.
  • Formulate polite requests and offers for social situations.
Speak with confidence, request with grace.

Lo que aprenderás

¡Qué alegría que hayas llegado hasta aquí! A nivel intermedio, el secreto para sonar fluido no está solo en saber palabras, sino en manejar los matices. En este capítulo, vamos a transformar tu forma de comunicarte usando los verbos modales clave: can, could, should, must y would. Primero, repasaremos cómo hablar de lo que sabes hacer hoy con 'can', pero daremos un paso más allá hacia tus experiencias pasadas. Aprenderás a distinguir entre una habilidad general con 'could' y un logro específico usando 'was able to'. ¿Ves la diferencia? ¡Es clave para contar tus anécdotas con precisión! Luego, nos enfocaremos en la magia de la cortesía. Imagina que estás en una reunión de trabajo o pidiendo un favor en un hotel; saber usar 'could' o 'would' para hacer peticiones y ofertas te hará sonar educado y seguro de ti mismo. Ya no sonarás demasiado directo, sino que sabrás usar un elegante 'I would like' en lugar de un simple 'I want'. Al terminar, tendrás la confianza para dar consejos con 'should', expresar obligaciones con 'must' y, sobre todo, moverte en situaciones sociales con la elegancia de un nativo. ¡Vamos a darle con todo!

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to: confidently express personal talents and make polite requests in professional settings.

Guía del capítulo

Overview

As a B1 English learner, you're past the basics and ready to communicate with more nuance and confidence. This guide will elevate your spoken English by focusing on
English mastering ability and polite requests
– essential skills for any intermediate speaker. You'll learn how to clearly state what you or others can do, confidently discuss past skills with could, and most importantly, transform direct commands into smooth, respectful requests using could and would.
Mastering these simple yet powerful modal verbs is a cornerstone of effective B1 English grammar, helping you navigate everyday situations from ordering food to asking for help, all while sounding natural and articulate.
Developing fluency isn't just about knowing vocabulary; it's about using grammar to express yourself appropriately in different social contexts. This chapter specifically targets how you express capability and how you interact with others politely. Whether you're traveling, studying, or working in an English-speaking environment, the strategies for mastering ability and polite requests outlined here will make your conversations much more effective and pleasant.
Get ready to speak with greater precision and charm!

How This Grammar Works

Let's dive into how these key modal verbs – can, could, and would – function as your communication superpowers. First, to express current skills or physical abilities simply and confidently, we use can plus the base form of the verb. Think of it as a direct statement of present capability.
For example,
I can speak three languages,
or
He can play the guitar very well.
This is straightforward and tells everyone exactly what's possible right now.
When you want to talk about skills or general abilities you had in the past, could is your go-to verb. It describes a long-term skill or a general capability at a previous point in time. For instance,
When I was younger, I could run really fast,
or
Before the injury, she could swim for hours.
It establishes a past ability that may or may not be true in the present.
This distinction between present can and past could is fundamental for discussing your personal history and experiences.
Now, let's explore how could and would transform your speech from direct to delightfully polite, especially when making requests. Using Could you + base verb is a fantastic way to turn a direct command (Open the window!) into a respectful, polite request. Compare
Can you help me?
(which can sound a bit direct) with
Could you help me, please?
The latter instantly sounds softer and more considerate.
Similarly, would takes politeness even further, often used for softening offers or requests, making you sound professional and naturally fluent. Think
Would you mind opening the door?
or
I would like to order a coffee.
These forms show respect and are essential for smooth social interactions, building on your understanding of can and could as ability indicators.

Common Mistakes

  1. 1✗ Incorrect:
    Can you pass the salt?
    (While grammatically correct, this can sound a bit demanding in some contexts.)
✓ Correct:
Could you pass the salt, please?
or
Would you mind passing the salt?
Explanation: Using could or would softens the request significantly, making it much more polite and less direct.
  1. 1✗ Incorrect:
    I would speak French when I was a child.
✓ Correct:
I could speak French when I was a child.
Explanation: Could is used for general past abilities, while would is typically for past habits or conditional statements, not general skills.
  1. 1✗ Incorrect:
    Would you help me tomorrow?
    (Sounds a bit like you're questioning their willingness or commitment.)
✓ Correct:
Could you help me tomorrow?
or
Would you be able to help me tomorrow?
Explanation: While
Would you help me?
isn't entirely wrong, could is often preferred for direct, polite requests for assistance. Adding be able to with would also works well.

Real Conversations

A

A

Excuse me, could you tell me how to get to the station?
B

B

Of course! Just go straight ahead, and it's on your left.
A

A

Thank you so much! I really appreciate it.
A

A

I'm trying to lift this box, but it's quite heavy.
B

B

Oh, I can help with that! I could lift two of these last week.
A

A

That would be wonderful. Thanks!
A

A

We need someone to translate this document. Does anyone here can speak Japanese?
B

B

Yes, I can speak Japanese fluently. I could translate it for you this afternoon if you'd like.
A

A

That would be a huge help!

Quick FAQ

Q

What's the main difference between 'can' and 'could' when making a request?

While 'can' makes a direct request (e.g.,

Can you open the door?
), 'could' makes it softer and more polite (e.g.,
Could you open the door?
). 'Could' implies a greater sense of respect or formality.

Q

When should I use 'would' for a polite request instead of 'could'?

'Would' often implies a slightly more indirect or conditional request, or an offer. For example,

Would you mind helping me?
is even softer than
Could you help me?
It’s also used for hypothetical situations or preferences, like
I would prefer tea.

Q

Can 'could' always replace 'can' when talking about past ability?

Yes, generally. 'Could' is the past tense form of 'can' for expressing ability. For instance,

I can swim
(present ability) becomes
I could swim when I was five
(past ability).

Q

Is there a trick to remember which one to use for politeness?

Think of could and would as adding an extra layer of deference or consideration. If you want to sound more formal, respectful, or gentle, opt for these over the more direct 'can'.

Cultural Context

Native English speakers heavily rely on could and would to navigate social interactions smoothly. While 'can' is acceptable, using 'could' and 'would' signals respect and consideration, especially with strangers or in formal settings. In the UK, for instance, politeness is highly valued, and these modals are used extensively.
In informal settings among friends, 'can' is common, but 'could' and 'would' still soften requests, preventing them from sounding like demands. Awareness of these nuances helps you sound more natural and avoid unintended bluntness.

Ejemplos clave (8)

1

I `can` help you with your presentation slides if you need a hand.

Puedo ayudarte con tus diapositivas de presentación si necesitas una mano.

Verbos Modales en Inglés: can, should, must
2

You `should` really check out that new vegan place; their burgers are amazing!

Realmente deberías probar ese nuevo lugar vegano; ¡sus hamburguesas son increíbles!

Verbos Modales en Inglés: can, should, must
3

I can swim very well.

Puedo nadar muy bien.

Can: Expresar habilidad (Can)
4

You can use my laptop for your assignment.

Puedes usar mi laptop para tu tarea.

Can: Expresar habilidad (Can)
5

She `could` speak three languages before she was ten.

Ella podía hablar tres idiomas antes de los diez años.

Could: Hablando de tus habilidades pasadas
6

When he was younger, he `could` run much faster.

Cuando era más joven, podía correr mucho más rápido.

Could: Hablando de tus habilidades pasadas
7

`Could you please clarify the deadline?`

¿Podrías, por favor, aclarar la fecha límite?

Could: Peticiones Educadas
8

`Could I borrow your charger for a moment?`

¿Podría pedirte prestado tu cargador un momento?

Could: Peticiones Educadas

Consejos y trucos (4)

💡

Modal + Verbo Base = Magia

¡Recuerda esta regla de oro! Después de un verbo modal, el verbo principal siempre va en su forma base. ¡Nada de 'to', '-s' o '-ing'! Así de simple y consistente. Por ejemplo, I can swim (no
I can to swim
).
frontend.learn_grammar.from_rule: Verbos Modales en Inglés: can, should, must
💡

Practica 'can' en mini-escenarios

Imagina situaciones. Pregúntate:
¿Qué puedo hacer hoy?
o
¿Qué no puede hacer mi teléfono?
. Usa momentos reales, como pedir comida, para que se te quede grabado. Try asking yourself, \What can I do today?\ or \What can't my phone do?\
Use real-life situations like ordering food to make it stick!
frontend.learn_grammar.from_rule: Can: Expresar habilidad (Can)
💡

Lista de Habilidades Pasadas

Cuando hables de algo que *solías* saber hacer, o una habilidad general que tenías en el pasado, 'could' es tu mejor amigo. Si fue un éxito único, especialmente contra viento y marea, cambia a
was/were able to
.
I could swim when I was a child, but I was able to cross the finish line despite my injury.
frontend.learn_grammar.from_rule: Could: Hablando de tus habilidades pasadas
💡

Suaviza con 'Please'

Aunque could ya es educado, añadir please hace tu petición aún más amable y aceptada universalmente. Es como ponerle chispitas a tu cupcake del idioma. Prueba: Could you please...?
frontend.learn_grammar.from_rule: Could: Peticiones Educadas

Vocabulario clave (5)

Modal a verb that expresses necessity or possibility Ability the power or skill to do something Polite showing good manners Request an act of asking politely Skill the ability to do something well

Real-World Preview

coffee

The Office Coffee Machine

Review Summary

  • Modal + Base Verb
  • Subject + can + verb
  • Subject + could + verb
  • Could + you + verb?
  • Would + you + like + noun/verb?

Errores comunes

Modal verbs are followed by the base form of the verb without 'to'. Never use 'to' after can, could, or would.

Wrong: I can to run fast.
Correcto: I can run fast.

Modal verbs do not have an 's' in the third person. They stay the same for I, you, he, she, it, we, and they.

Wrong: She cans sing.
Correcto: She can sing.

While 'Could you' is polite, adding 'please' makes it even more natural and respectful in English culture.

Wrong: Could you help me? (too direct)
Correcto: Could you please help me?

Next Steps

You are becoming a truly eloquent speaker. Keep practicing, and don't be afraid to sound polite!

Listen to a podcast and note how hosts make requests.

Continue to: Rules, Advice, and Instructions

Práctica rápida (10)

¿Qué oración es correcta?

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: My dad could play the guitar when he was young.
Después de 'could', usa la forma base del verbo sin 'to'.

frontend.learn_grammar.from_rule: Could: Hablando de tus habilidades pasadas

Encuentra y corrige el error en la frase.

Find and fix the mistake:

Can you to pass me the remote?

✓ Correct! ✗ Not quite. Correct answer: Could you pass me the remote?
Could es más educado que can para las peticiones. Además, los verbos modales van seguidos de la forma base del verbo sin to.

frontend.learn_grammar.from_rule: Could: Peticiones Educadas

Encuentra y corrige el error

Find and fix the mistake:

She can to speak three languages.

✓ Correct! ✗ Not quite. Correct answer: She can speak three languages.
Los verbos modales como can siempre van seguidos de la forma base del verbo, sin 'to'.

frontend.learn_grammar.from_rule: Can: Expresar habilidad (Can)

Encuentra y corrige el error

Find and fix the mistake:

Yesterday, I could finish all my homework, even though it was a lot.

✓ Correct! ✗ Not quite. Correct answer: Yesterday, I was able to finish all my homework, even though it was a lot.
Para una acción específica y exitosa en el pasado, 'was/were able to' es más apropiado que 'could'.

frontend.learn_grammar.from_rule: Could: Hablando de tus habilidades pasadas

Elige la forma correcta

`Would you ___` me a hand with those bags?

✓ Correct! ✗ Not quite. Correct answer: need
Después de would, el verbo principal siempre está en su forma base.

frontend.learn_grammar.from_rule: Would: Peticiones y Ofertas Educadas

Encuentra y corrige el error

Find and fix the mistake:

You shouldn't to worry about the exam.

✓ Correct! ✗ Not quite. Correct answer: You shouldn't worry about the exam.
Los verbos modales siempre van seguidos directamente de la forma base del verbo principal, sin 'to'.

frontend.learn_grammar.from_rule: Verbos Modales en Inglés: can, should, must

Elige la forma correcta

When I was five, I ___ read simple books.

✓ Correct! ✗ Not quite. Correct answer: could
'Could' se usa para expresar una habilidad general en el pasado.

frontend.learn_grammar.from_rule: Could: Hablando de tus habilidades pasadas

Elige la forma correcta

She ___ speak three languages fluently.

✓ Correct! ✗ Not quite. Correct answer: can
Los verbos modales como 'can' no cambian de forma para los sujetos en tercera persona del singular y van seguidos de la forma base del verbo sin 'to'.

frontend.learn_grammar.from_rule: Verbos Modales en Inglés: can, should, must

Elige la forma correcta para completar la petición educada.

___ you help me with this project report?

✓ Correct! ✗ Not quite. Correct answer: Could
Could es la opción más educada para pedir ayuda en un contexto profesional o académico. Can es menos formal, y Will es una pregunta directa sobre una acción futura.

frontend.learn_grammar.from_rule: Could: Peticiones Educadas

¿Qué frase es correcta?

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: We must submit the report tomorrow.
Los verbos modales van seguidos de la forma base del verbo principal, y no llevan una terminación '-s'.

frontend.learn_grammar.from_rule: Verbos Modales en Inglés: can, should, must

Score: /10

Preguntas frecuentes (6)

Un verbo modal es un tipo de verbo auxiliar (o de ayuda) que expresa necesidad, posibilidad, habilidad u obligación. Siempre van antes de un verbo principal en su forma base, como en I can swim.
¡No, ese es uno de sus superpoderes! Los verbos modales como can, should y must nunca cambian su forma, sin importar si el sujeto es I, he, they o it. Así que, she can speak es correcto, no she cans speak.
Can se usa principalmente para expresar habilidad, es decir, que alguien o algo tiene la destreza, el poder o la capacidad de realizar una acción. Por ejemplo,
I can speak three languages.
Para formar la negativa, simplemente añade 'not' después de 'can'. La contracción más común es 'can't', como en "I can't swim." También puedes usar 'cannot'.
'Could' describe una habilidad general que poseías en el pasado, como
I could play the violin.
'Was able to' se refiere a una instancia específica en la que realizaste una acción con éxito, especialmente una desafiante, como en
I was able to finish the race.
Sí, pero generalmente solo en oraciones negativas. "I couldn't open the door" se refiere a un intento específico y fallido. En oraciones positivas, 'could' casi siempre significa habilidad general.
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