Gerundios después de preposiciones (Por qué usamos -ing después de 'For', 'In', 'About')
-ing (gerundio). ¡Es su regla de oro!
Grammar Rule in 30 Seconds
In English, whenever a verb follows a preposition, it must almost always take the gerund (-ing) form.
- Use -ing after simple prepositions like 'in', 'on', 'at', 'for', 'from'. Example: 'I'm good at cooking.'
- Use -ing after phrasal verbs ending in prepositions. Example: 'He gave up smoking.'
- Use -ing after 'to' when 'to' is a preposition, not an infinitive marker. Example: 'I look forward to meeting you.'
Overview
en lugar de I'm interested in learning"? No es solo que sean quisquillosos. Es una de las reglas más sólidas del inglés.in, on, at, for y about son como celebridades muy exigentes. Tienen una lista muy específica de no entrada para ciertos tipos de palabras. Se niegan absolutamente a estar al lado de un verbo infinitivo (los que llevan to).-ing, conviertes una acción en una cosa. Ahora la preposición está feliz, tu profesor está feliz y tú suenas como un profesional.at. Si logras dominar esto, dejarás de cometer esos errores incómodos que delatan tu estatus de aprendiz.thanks for coming y no thanks for to come. Todo se trata de las preposiciones, bebé. No te preocupes, es más fácil que tratar de encontrar un par de calcetines iguales en una habitación oscura.
How This Grammar Works
-ing.about. Si dices "I'm thinking about coffee", coffee es un sustantivo. Perfecto., se siente roto. Necesitas el gerundio:I'm thinking about
ordering coffee. Ahora la acción de ordenar se ha convertido en elobjeto" de la preposición.
of, with, without, before, after, by, for, about, at, in, on. Incluso la palabra to a veces actúa como una preposición, lo cual es el nivel de jefe final de esta regla gramatical.to es parte del infinitivo (to eat), pero a veces es una preposición (look forward to). Cuando es una preposición, sigue la regla. Exige ese -ing.good at cook, y se preguntarán si en realidad eres un chef secreto o solo alguien a quien le gusta ver videos de Gordon Ramsay en YouTube.
Formation Pattern
for, in, at, without).
study, run, text).
-ing al final del verbo.
Conjugation Table
| Preposition | Verb + -ing | Example Sentence |
|---|---|---|
| --- | --- | --- |
in |
learning |
I am interested in learning English. |
for |
helping |
Thanks for helping me with the app. |
about |
talking |
We talked about talking to the boss. |
without |
saying |
He left without saying goodbye. |
after |
watching |
After watching Netflix, I went to bed. |
by |
practicing |
You improve by practicing every day. |
at |
gaming |
She is really good at gaming on her PC. |
Gender & Agreement
learning, running o eating. Aquí no hay preocupaciones de un o une. El gerundio permanece exactamente igual independientemente de quién esté realizando la acción.
When To Use It
I am bored with waiting. She is excited about traveling. Segundo, después de verbos. Algunos verbos simplemente aman las preposiciones. He apologized for being late. They insisted on paying the bill. Tercero, después de sustantivos.The reason for calling you was to say hi. Cuarto, al comienzo de una oración para mostrar cómo se hace algo. By using this app, you can learn faster.Before going out, check the weather.Politeness Levels
- **Formal
**
I look forward to receiving your reply. (Correo electrónico profesional)
- **Informal
** "I'm excited about seeing you!" (Mensaje de texto a un amigo)
- **Casual
**
Thanks for hanging out. (Después de una cita para tomar café)
Ten en cuenta que la gramática no cambia entre niveles, pero la elección del verbo y la preposición podría hacerlo. En una entrevista de trabajo por Zoom, dirías
I have experience in managing teams, mientras que en TikTok podrías comentar Obsessed with watching this! Ambos son gramaticalmente idénticos.
Common Mistakes
Thank you for to help meen lugar de
Thank you for helping me. Esto sucede porque muchos idiomas usan el infinitivo después de las preposiciones. El inglés decidió ser el adolescente rebelde de la familia germánica y hacer las cosas de manera diferente. Otro error es olvidar la preposición por completo. "She's good dancingsuena como si te faltara un diente. Tiene que serShe's good
at dancing.Finalmente, cuidado con la trampa delto«. »I'm used to
get up earlyes incorrecto. Debe serI'm used to
getting up early." En este caso, to es una preposición, no parte del infinitivo. Es una pequeña palabra engañosa, como un gato que finge no haber sido alimentado cuando definitivamente lo ha sido.
Memory Trick
Piensa en la Regla de la Preposición-Ing (PING). Cada vez que veas una Preposición y quieras seguirla con una acción, necesitas un verbo que termine en ING. P + ING = PING! Es el sonido que tu cerebro debería hacer cuando lo haces bien.
Contrast With Similar Patterns
No confundas to como un marcador de infinitivo con to como preposición.
I want to go. (Aquí no hay preposición, solo un patrón verbal).I am committed to improving. (Aquí, to es una preposición vinculada al adjetivo committed).¿Cómo sabes la diferencia? Intenta reemplazar el verbo con un sustantivo como chocolate. Si puedes decir
I am committed to chocolate, entonces
to es una preposición y necesita un gerundio. Si I want chocolate funciona pero la estructura es diferente (no puedes decir I want to chocolate), entonces es un infinitivo.
Real Conversations
- Scenario: Ordering Food
- Sam: Are you interested in ordering sushi tonight?
- Alex: I'm actually thinking about making pasta instead.
- Sam: Without asking me first? How rude!
- Alex: Well, thanks for being so dramatic about it.
- Scenario: Work Zoom Call
- Manager: I apologize for starting the meeting late.
- Employee: No problem. I spent the time checking my emails.
- Manager: We need to focus on hitting our targets this month.
Quick FAQ
¿Puedo usar -ing después de to?
Sí, si to es una preposición. Ejemplo:
I look forward to meeting you.
¿Es
sorry for being lateo
sorry to be late?
Ambas están bien, pero
sorry for being late es el patrón de preposición + gerundio. Sorry to be latees un patrón de infinitivo. ¡Usa el del gerundio para estar seguro!
¿Funciona esto con by?
¡Absolutamente! By es una de las preposiciones más comunes para esto.
You save money by cooking at home.
Progressive Practice
Easy: I'm tired of (wait) waiting for the bus.
Medium: She left the party without (say) saying anything to the host.
Hard: Despite (have) having a broken leg, he insisted on (walk) walking to the store.
Expert: Are you used to (live) living in such a noisy city after (move) moving from the countryside?
Structure of Prepositional Gerunds
| Preposition | Negative (Optional) | Gerund (-ing) | Example |
|---|---|---|---|
|
about
|
|
leaving
|
I'm thinking about leaving.
|
|
for
|
not
|
coming
|
Sorry for not coming.
|
|
at
|
|
singing
|
She's great at singing.
|
|
without
|
|
asking
|
Don't go without asking.
|
|
of
|
not
|
knowing
|
The fear of not knowing.
|
|
to
|
|
working
|
I'm used to working.
|
Meanings
The use of the gerund form of a verb (the -ing form) as the object of a preposition to describe an action related to that preposition.
General Prepositional Use
Following standard prepositions like 'of', 'about', 'for', 'with', 'without', 'by'.
“I'm thinking about moving to London.”
“You can't learn English without practicing.”
Adjective + Preposition Combinations
Used when an adjective requires a specific preposition which then takes a gerund.
“She is afraid of flying.”
“We are interested in buying the house.”
The 'To' Preposition Trap
Using -ing after 'to' when 'to' functions as a preposition rather than part of an infinitive.
“I am used to waking up early.”
“I object to paying extra for water.”
Reference Table
| Preposición | Ejemplo | Significado | Uso Común |
|---|---|---|---|
|
for
|
for studying
|
propósito/razón
|
Gracias por ayudar.
|
|
in
|
in learning
|
método/participación
|
Ella tuvo éxito aprendiendo francés.
|
|
about
|
about reading
|
tema/preocupación
|
Estoy emocionado por leer ese libro.
|
|
by
|
by practicing
|
método
|
Mejora practicando a diario.
|
|
before
|
before leaving
|
referencia de tiempo
|
Lávate las manos antes de comer.
|
|
after
|
after finishing
|
referencia de tiempo
|
Relájate después de trabajar duro.
|
|
without
|
without asking
|
ausencia/falta
|
Se fue sin decir adiós.
|
|
from
|
from falling
|
prevención
|
La evitaron de caer.
|
Espectro de formalidad
I look forward to meeting with you to discuss the proposal. (Professional to Social)
I'm looking forward to seeing you next week. (Professional to Social)
Can't wait for hanging out later! (Professional to Social)
Stoked for catching up tonight. (Professional to Social)
Gerundios Después de Preposiciones
Preposiciones Comunes
- for propósito, razón
- in método, participación
- about tema, preocupación
- by medio, método
- before tiempo
- after tiempo
- without ausencia
- from prevención
Ejemplos Clave
- Thanks for helping. Gratitud
- Good at swimming. Habilidad
- Excited about starting. Emoción
- Improve by practicing. Método
- Before leaving. Secuencia
'To' como Preposición
- Look forward to seeing. Anticipación
- Accustomed to working. Hábito
- Addicted to gaming. Dependencia
Gerundio vs. To-Infinitivo Después de 'To'
¿Uso -ing después de esta palabra?
¿Es la palabra una preposición? (ej. in, on, for, about, by, without, before, after)
Preposiciones y Sus Amigos Gerundios
Propósito/Razón
- • for studying
- • for helping
Método/Medio
- • by practicing
- • in learning
Secuencia Temporal
- • before leaving
- • after finishing
Sentimientos/Pensamientos
- • about starting
- • interested in joining
Prevención/Falta
- • from falling
- • without asking
Expresiones Fijas
- • look forward to seeing
- • accustomed to working
Ejemplos por nivel
Thank you for coming.
Gracias por venir.
I am good at cooking.
Soy bueno cocinando.
She is interested in music.
Ella está interesada en la música.
He left without eating.
Él se fue sin comer.
What about going to the cinema?
¿Qué tal si vamos al cine?
I'm tired of working late.
Estoy cansado de trabajar hasta tarde.
They are afraid of losing the game.
Tienen miedo de perder el partido.
She is famous for singing pop songs.
Ella es famosa por cantar canciones pop.
I look forward to meeting you next week.
Espero con ansias conocerte la próxima semana.
He succeeded in passing the exam.
Él tuvo éxito en aprobar el examen.
We are thinking of buying a new car.
Estamos pensando en comprar un coche nuevo.
Instead of complaining, you should help.
En lugar de quejarte, deberías ayudar.
I'm not used to driving on the left.
No estoy acostumbrado a conducir por la izquierda.
She apologized for not calling earlier.
Ella se disculpó por no llamar antes.
He was accused of stealing the money.
Fue acusado de robar el dinero.
There's no point in waiting any longer.
No tiene sentido esperar más.
With a view to expanding the business, they hired more staff.
Con miras a expandir el negocio, contrataron más personal.
I have no objection to your staying here.
No tengo objeción a que te quedes aquí.
He is dedicated to preserving the environment.
Él está dedicado a preservar el medio ambiente.
In addition to being a doctor, she is a pilot.
Además de ser doctora, es piloto.
The rationale for implementing such measures remains unclear.
La lógica para implementar tales medidas sigue sin estar clara.
He took exception to being called a liar.
Se ofendió por ser llamado mentiroso.
Notwithstanding his having failed, he tried again.
A pesar de haber fallado, lo intentó de nuevo.
They are on the verge of discovering a cure.
Están a punto de descubrir una cura.
Fácil de confundir
Learners use 'for' + infinitive to explain why they do something.
'I used to smoke' (past habit) vs 'I am used to smoking' (familiarity).
Thinking 'to' always precedes a base verb.
Errores comunes
Thanks for help me.
Thanks for helping me.
I'm good at cook.
I'm good at cooking.
Before go, say bye.
Before going, say bye.
I'm interested in learn.
I'm interested in learning.
He left without to say anything.
He left without saying anything.
How about to go out?
How about going out?
I'm afraid of fly.
I'm afraid of flying.
I look forward to see you.
I look forward to seeing you.
I'm used to wake up early.
I'm used to waking up early.
He apologized for be late.
He apologized for being late.
In addition to be rich, he is kind.
In addition to being rich, he is kind.
Patrones de oraciones
I am thinking about ___.
Thank you for ___.
She is famous for ___.
Despite ___ , he stayed happy.
Real World Usage
I am responsible for overseeing the budget.
How about grabbing a coffee?
Check the weather before heading out.
Obsessed with watching these tutorials!
This study focuses on identifying the causes...
After boiling the water, add the pasta.
¡Las preposiciones son exigentes!
¡Cuidado con 'To'!
to eat, to sleep), pero ¡otras veces funciona como preposición! En esos casos (como look forward to, be used to), ¡debe ir seguido de un gerundio! No dejes que te confunda. "Don't let it trick you."Escucha e imita
Try to imitate their patterns in your own speech.
Expresar gratitud
for helping me' o 'I appreciate you for doing that' es muy común y cortés. Usar el gerundio correcto hace que tu gratitud suene genuina y natural. Using the correct gerund here makes your gratitude sound genuine and natural.
Combinaciones de adjetivo + preposición
the verb that follows will always be a gerund!
Smart Tips
Try putting the word 'it' after 'to'. If the sentence still makes sense, 'to' is a preposition. Use -ing!
Always use 'for' + -ing. It's the most polite and natural way to express gratitude for an action.
If you don't want to say 'I' or 'You', just use the -ing form directly after 'before' or 'after'.
Remember that the 'particle' in a phrasal verb is often a preposition. Treat it like one!
Pronunciación
The 'ng' sound
In the gerund ending '-ing', the 'g' is usually silent. The sound is a nasal /ŋ/.
Linking
Prepositions ending in a consonant often link to the gerund if it starts with a vowel sound.
Stress on the Gerund
I'm good at SWIMMING.
The focus is on the activity.
Memorízalo
Mnemotecnia
Prepositions are 'Noun-Hungry'. If you feed them a verb, you must dress it as a noun with an -ing hat.
Asociación visual
Imagine a bridge (the preposition) that only allows cars (nouns) to cross. A person (verb) wants to cross, so they have to get inside a car-shaped costume labeled '-ing'.
Rhyme
After 'at', 'for', 'in', and 'of', the -ing form is what we love!
Story
A chef was 'good at' cooking, but 'tired of' cleaning. He 'thought about' quitting, but 'dreamed of' winning a Michelin star. He 'succeeded in' finishing his shift 'without' complaining.
Word Web
Desafío
Write 5 sentences about your day using 'before', 'after', 'by', 'for', and 'about' followed by an -ing verb.
Notas culturales
In the UK, 'keen on' + gerund is very common for expressing interest.
Americans frequently use 'excited about' or 'into' + gerund.
Using 'look forward to + -ing' is the gold standard for closing professional emails globally.
The English gerund originates from Old English verbal nouns ending in '-ung' or '-ing'.
Inicios de conversación
What are you most interested in learning this year?
Are you used to waking up early on weekends?
What is something you have given up doing recently?
What are you looking forward to doing on your next vacation?
Temas para diario
Errores comunes
Test Yourself
She apologized `for ___` late to the meeting.
Find and fix the mistake:
He is very good at to cook Italian food.
Choose the correct sentence:
Translate into English: 'Ella sueña con viajar por el mundo.'
Answer starts with: ["S...
Score: /4
Ejercicios de practica
8 exercisesI'm interested in ___ (learn) more about your culture.
Which sentence is grammatically correct?
Find and fix the mistake:
I look forward to see you at the party.
apologized / for / late / being / she
1. Good at... 2. Afraid of... 3. Tired of...
You can use an infinitive (to + verb) after the preposition 'for' to explain purpose.
A: Are you coming to the park? B: No, I'm tired of ___.
Identify the odd one out.
Score: /8
Practice Bank
13 exercisesI'm tired `of ___` the same old movies.
They apologized for be late.
Which sentence is correct?
Translate into English: 'Él es bueno para reparar coches.'
Arrange these words into a sentence:
Many people are addicted `to ___` on their phones.
I look forward to meet you next week.
Select the correct sentence:
Match the phrases:
She prides herself `on ___` her goals.
Translate into English: 'Él se disculpó por no haber llamado.'
Arrange these words into a sentence:
Choose the correct sentence:
Score: /13
Preguntas frecuentes (8)
In English, prepositions like `for` cannot be followed by an infinitive. You must use the gerund `helping` to make the verb act like a noun.
No. Sometimes it is an infinitive marker (e.g., `I want to go`). If you can put a noun after it (e.g., `I'm used to coffee`), it's a preposition and needs `-ing`.
Yes! Put `not` before the gerund. Example: `He is famous for not giving up.`
If a phrasal verb ends in a preposition (like `give up` or `keep on`), the next verb must be an `-ing` form.
Both are correct, but they use different rules. `Sorry for being late` uses the prepositional gerund rule. `Sorry to be late` uses the adjective + infinitive rule.
Yes, almost all prepositions in English follow this rule when followed by a verb.
It is used in all registers, from casual texting to academic papers. It is a core rule of the language.
This depends on the adjective or verb before it. For example, we say `interested in` but `good at`. You must learn these combinations together.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Preposición + Infinitivo
Spanish uses the infinitive where English uses the gerund.
Préposition + Infinitif
French prepositions (except 'en') take the infinitive.
Präposition + Nomen / zu + Infinitiv
German uses nominalization or infinitive clauses.
Verb (Dictionary form) + no/koto + Preposition
Japanese requires a nominalizer particle.
Preposition + Masdar
The Masdar is a distinct noun form, not just a verb with a suffix.
Preposition + Verb
No suffix like -ing is needed in Chinese.
Learning Path
Prerequisites
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