Verbo Frasal: Fill In (Formularios e Información)
fill in para rellenar formularios, dar detalles o poner al día a tus amigos y colegas con confianza en inglés.
Grammar Rule in 30 Seconds
Use 'fill in' to complete documents, provide missing details, or temporarily take someone's place at work.
- Use it for forms: 'Fill in this application.'
- Use it for people: 'Can you fill in for me?'
- It is separable: 'Fill the form in' or 'Fill in the form.' (max 20 words)
Overview
fill in tus datos.fill in trata de completar algo que está vacío, como un nombre en una etiqueta de envío o una palabra que falta en tu tarea de inglés.How This Grammar Works
fill in es bastante amigable. Se compone de dos partes: el verbo fill y la preposición in. En gramática, llamamos a esto un verbo frasal separable.fill in the form o fill the form in. ¡Ambas son 100% correctas!it o this, DEBES ponerlo en el medio. Tienes que decir fill it in.
Formation Pattern
fill (¡revisa el tiempo verbal!).
in y el Objeto.
I + fill in + the form.
I + fill + it + in.
When To Use It
fill you in. Si un compañero está enfermo, podrías fill in for them.
Common Mistakes
fill up cuando te refieras a información. Fill up es para botellas de agua y tanques de gasolina. Además, nunca digas fill in it. Pon siempre el pronombre en el medio: fill it in. Y recuerda, siempre es in, nunca on ni at.Contrast With Similar Patterns
Fill in vs Fill out: ¡Mismo significado! Fill in es común en el Reino Unido, fill out en EE. UU. Fill in vs Fill up: Información vs volumen físico.Quick FAQ
P: ¿Está bien para el trabajo? R: Sí, muy profesional. P: ¿Puedo decir 'fill me in'? R: Sí, significa 'cuéntame las noticias'.
Conjugating 'Fill In'
| Tense | Subject | Form | Example |
|---|---|---|---|
|
Present Simple
|
I/You/We/They
|
fill in
|
I fill in the form.
|
|
Present Simple
|
He/She/It
|
fills in
|
She fills in for me.
|
|
Past Simple
|
All subjects
|
filled in
|
They filled it in.
|
|
Present Continuous
|
All subjects
|
am/is/are filling in
|
He is filling in the gaps.
|
|
Past Continuous
|
All subjects
|
was/were filling in
|
I was filling in for Mark.
|
|
Present Perfect
|
All subjects
|
have/has filled in
|
We have filled in the holes.
|
|
Future (Will)
|
All subjects
|
will fill in
|
I will fill you in later.
|
|
Gerund
|
N/A
|
filling in
|
Filling in forms is boring.
|
Contractions with Pronouns
| Full Form | Contraction | Usage Note |
|---|---|---|
|
I will fill in
|
I'll fill in
|
Common in speech
|
|
He is filling in
|
He's filling in
|
Common in speech
|
|
They have filled in
|
They've filled in
|
Common in speech
|
Meanings
To add information to a document or to act as a substitute for someone who is absent.
Completing Documents
To write information in the empty spaces of an official document or form.
“You need to fill in your name and address.”
“Did you fill in the questionnaire?”
Substituting for Someone
To do someone else's work or job for a short period because they are away.
“I'm filling in for Jane while she is on maternity leave.”
“Can you fill in for me at the meeting tomorrow?”
Providing Information
To give someone extra or missing information about something.
“Can you fill me in on what happened at the party?”
“I'll fill you in later when we have more time.”
Filling a Gap
To put a substance into a hole or gap to make a surface level.
“The builder filled in the cracks in the wall.”
“We need to fill in this hole before we paint.”
Reference Table
| Uso | Estructura | Ejemplo | Regla del pronombre |
|---|---|---|---|
|
Completar un formulario
|
fill in + form
|
Please fill in this application.
|
fill it in
|
|
Completar un formulario
|
fill + form + in
|
Please fill this application in.
|
fill it in
|
|
Proporcionar información (general)
|
fill in + details
|
Can you fill in the missing details?
|
fill them in
|
|
Poner al día a alguien
|
fill + person + in + on + topic
|
I'll fill you in on the meeting.
|
fill her in on it
|
|
Sustituir a alguien
|
fill in for + person
|
I'm filling in for Sarah.
|
N/A (no separable aquí)
|
|
Espacios específicos
|
fill in + blanks
|
Fill in the blanks.
|
fill them in
|
Espectro de formalidad
Please complete the attached application form. (Job application)
Please fill in this application form. (Job application)
Fill this in for me, will you? (Job application)
Get your info on this paper. (Job application)
Fill In: Tu Navegador de Información
Uso: Formularios y Documentos
- Application Solicitud
- Survey Encuesta
- Blanks Espacios en blanco
- Registration Registro
Uso: Compartir Información
- Details Detalles
- Gaps Huecos
- Updates Actualizaciones
- News Noticias
Regla Clave: Separabilidad
- Pronoun Pronombre (fill it in)
- Noun Sustantivo (fill the form in / fill in the form)
Contraste: Lo que NO es
- Fill Up Llenar (un contenedor)
- Fill (container) Llenar (directo)
Fill In vs. Fill Out vs. Fill Up
Eligiendo 'Fill In': Una Guía Rápida
¿Estás completando espacios en blanco o proporcionando información/actualizaciones?
¿Se trata de llenar un recipiente?
¿Estás completando un documento o cuestionario entero en general?
Fill In: Contextos y Separabilidad
Formularios (Separable)
- • Fill in the form
- • Fill the form in
- • Fill it in
Información (Separable)
- • Fill in the details
- • Fill me in
- • Fill her in on the news
Frases Comunes (Fijas)
- • Fill in the blanks
- • Fill in for someone
Lo que NO se debe decir
- • Fill up the form
- • Fill in it
- • Fill in a glass
Ejemplos por nivel
Please fill in your name.
Por favor, completa con tu nombre.
Can you fill in this form?
¿Puedes completar este formulario?
Fill in the blanks.
Completa los espacios en blanco.
I need to fill in my address.
Necesito poner mi dirección.
I am filling in for my brother today.
Estoy reemplazando a mi hermano hoy.
Don't forget to fill it in.
No olvides completarlo.
She filled in the application yesterday.
Ella completó la solicitud ayer.
Who is filling in for the teacher?
¿Quién está reemplazando al profesor?
Could you fill me in on the project details?
¿Podrías ponerme al tanto de los detalles del proyecto?
I'll have to fill in for Sarah while she's sick.
Tendré que cubrir a Sarah mientras esté enferma.
The questionnaire was easy to fill in.
El cuestionario fue fácil de completar.
He filled in the gaps in his story.
Él completó los vacíos en su historia.
The manager asked me to fill in for him at the conference.
El gerente me pidió que lo reemplazara en la conferencia.
Wait, let me fill you in on what you missed.
Espera, deja que te cuente lo que te perdiste.
You must fill in all the required fields online.
Debes completar todos los campos obligatorios en línea.
The cracks in the ceiling need to be filled in.
Las grietas en el techo necesitan ser tapadas.
The witness was able to fill in the missing pieces of the puzzle.
El testigo pudo completar las piezas que faltaban del rompecabezas.
I'm just a fill-in until the permanent replacement arrives.
Solo soy un sustituto hasta que llegue el reemplazo permanente.
The author uses dialogue to fill in the character's backstory.
El autor usa el diálogo para completar el trasfondo del personaje.
We need someone to fill in the administrative void left by his departure.
Necesitamos a alguien que llene el vacío administrativo dejado por su partida.
The nuances of the contract were filled in during the final negotiations.
Los matices del contrato se completaron durante las negociaciones finales.
Her imagination filled in the details that the grainy photograph lacked.
Su imaginación completó los detalles que le faltaban a la fotografía granulada.
The percussionist filled in the rhythmic texture with subtle accents.
El percusionista completó la textura rítmica con acentos sutiles.
The government's report fails to fill in the crucial gaps regarding funding.
El informe del gobierno no logra completar los vacíos cruciales respecto al financiamiento.
Fácil de confundir
Learners often think they are completely different, but for forms, they are 90% the same.
Learners use 'fill in' for containers.
Learners don't know when to use the phrasal verb vs. the formal verb.
Errores comunes
Fill in it.
Fill it in.
Fill in the car with gas.
Fill up the car with gas.
I fill in name.
I fill in my name.
Fill in to the form.
Fill in the form.
I'm filling in Mark.
I'm filling in for Mark.
Fill in me about the news.
Fill me in on the news.
He filled in for the form.
He filled in the form.
Can you fill in me?
Can you fill me in?
I filled in for the meeting.
I filled in at the meeting.
The form was filled in for me.
The form was filled in by me.
He filled in the details to the report.
He filled in the details of the report.
Patrones de oraciones
Please fill in your ___.
I am filling in for ___ while they are ___.
Can you fill me in on ___?
The ___ needs to be filled in by ___.
Real World Usage
Please fill in this application while you wait for the manager.
Can you fill me in on what I missed during the meeting?
You need to fill in your medical history on this form.
Hey, can you fill in for me at the gym today? I'm stuck at work.
I need to fill in these holes before we put up the wallpaper.
Please fill in your shipping details to continue.
¡La posición del pronombre importa!
fill e in. Así que es fill it in, ¡nunca fill in it!¡No "Fill Up" Formularios!
Fill up es para llenar recipientes (por ejemplo, fill up a glass). Para formularios o información, siempre usa
fill in (o fill out). ¡Evita sonar como si estuvieras metiendo papel en una caja!Actualizaciones rápidas: "Fill Me In"
Can you fill me in (on...)! Es súper común en conversaciones casuales y en el trabajo cuando te perdiste algo importante.
¡Formularios por todas partes!
fill in significa que estás preparado para estas tareas administrativas diarias.Piensa "In" los espacios
fill in para formularios es imaginar que escribes *dentro* de los espacios en blanco. Esta imagen mental ayuda a reforzar que estás agregando información a áreas específicas.Smart Tips
Think of the verb as a sandwich. The pronoun is the meat in the middle!
Ask: 'Can I drink this?' If yes, use 'up'. If no, use 'in'.
Use the phrase 'Fill me in' to sound proactive and natural.
Use 'complete' instead of 'fill in' for a more professional tone.
Pronunciación
Stress on the Particle
In phrasal verbs like 'fill in', the stress usually falls on the particle ('in') rather than the verb.
Linking
Because 'fill' ends in a consonant and 'in' starts with a vowel, they are often linked together to sound like one word.
Rising on 'In' for questions
Did you fill it IN? ↗
Checking for completion.
Memorízalo
Mnemotecnia
Think of 'Fill In' as putting 'Ink' into a 'Form'. (In + Ink = Fill In).
Asociación visual
Imagine a puzzle with one piece missing. When you put the piece in, you are 'filling in' the gap. Or imagine a coworker's chair empty, and you sit in it to 'fill in' for them.
Rhyme
Fill it in to win the game, write your details and your name.
Story
I arrived at the office and had to fill in a long form. My boss was away, so I had to fill in for him at the meeting. Later, my friend filled me in on the office gossip I missed.
Word Web
Desafío
Find a physical or digital form today. Identify three fields you need to 'fill in' and say the sentence aloud: 'I am filling in my [name/date/email].'
Notas culturales
'Fill in' is the standard term for completing forms in the UK. 'Fill out' is understood but sounds slightly American.
Americans almost always say 'fill out' for an entire form, but use 'fill in' for specific blanks or boxes.
'Filling in for someone' is a sign of being a team player. It is often expected that colleagues will cover each other's basic duties during short absences.
The verb 'fill' comes from Old English 'fyllan', meaning to make full. The addition of 'in' as a particle developed as English moved toward a more phrasal structure in the Middle English period.
Inicios de conversación
Could you fill in for me at the reception desk for ten minutes?
I missed the last episode of that show. Can you fill me in on what happened?
Have you ever had to fill in a very complicated form? What was it for?
If you were sick, who would be the best person to fill in for you at work or school?
Temas para diario
Errores comunes
Test Yourself
Can you _____ me _____ on the new project updates?
fill in. El objeto (me) debe separar el verbo y la partícula.Find and fix the mistake:
I need to fill in it before the end of the day.
it), debe colocarse entre fill e in.Elige la oración correcta:
Fill in se usa para completar formularios y proporcionar detalles, no fill up.Translate into English: '¿Puedes rellenar este formulario para mí?'
Answer starts with: ["C...
Score: /4
Ejercicios de practica
8 exercisesI forgot to ______ my phone number on the form.
The form is here. Please ______.
Find and fix the mistake:
I am filling in on Mark today because he is sick.
1. Substitute, 2. Inform, 3. Document
Can you give me the details about the meeting?
'Fill in' and 'Fill out' can both be used for forms.
A: Where is Sarah? B: She's sick, so I'm ______ her.
Pick the incorrect sentence.
Score: /8
Practice Bank
12 exercisesThe manager asked me to _____ _____ _____ on the new policy.
Don't forget to fill up your email address on the sign-up page.
Which sentence is correct?
Translate into English: 'Necesito rellenar esta encuesta antes del viernes.'
Arrange these words into a sentence:
Match the sentence beginnings with their appropriate endings.
The detective asked him to _____ _____ the missing pieces of the story.
A: Did you fill in the water bottle? B: No, I need to fill it in first.
Select the correct option:
Translate into English: '¿Me puedes poner al día con los eventos del fin de semana?'
Arrange these words into a sentence:
Match the phrasal verb with what it typically acts upon.
Score: /12
Preguntas frecuentes (8)
It is used in both, but it is more common in British English for forms. Americans often prefer `fill out` for entire forms.
No, you must say `fill me in`. Pronouns always go in the middle of this phrasal verb.
They are very similar. `Fill in for` is slightly more formal/standard, while `cover for` is very common in casual workplace speech.
Yes! A `fill-in` (usually with a hyphen) is a person who substitutes for someone else, like a 'fill-in teacher'.
Use `on`. While 'about' is sometimes heard, `fill me in on the details` is the standard idiomatic collocation.
Yes. `Fill in the hole` is the correct way to describe putting dirt back into a hole.
Yes, it is perfectly acceptable in neutral and professional business English.
It is a regular verb, so the past tense is `filled in`.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
rellenar / completar
Spanish requires different verbs for forms vs. people.
remplir / remplacer
French uses distinct verbs for information vs. substitution.
ausfüllen / einspringen
German uses separable prefix verbs which mirror English phrasal verbs.
記入する (kinyū suru) / 代理を務める (dairi o tsutomeru)
Japanese relies on formal nouns rather than flexible phrasal verbs.
ملأ (yamla') / ناب عن (naba 'an)
Arabic lacks the 'particle' system (in/out/up) that changes verb meaning.
填写 (tiánxiě) / 顶替 (dǐngtì)
Chinese uses verb-verb compounds rather than verb-preposition pairs.
Learning Path
Prerequisites
Videos relacionados
Related Grammar Rules
El Phrasal Verb 'Face up to' (Aceptar la realidad)
Overview Este verbo frasal trata sobre el cambio mental de la evitación al reconocimiento. Se refiere específicamente a...
Preposiciones de tiempo: in, on, at
Overview ¿Alguna vez has enviado un mensaje diciendo que llegarás `in` 5 PM y has recibido un emoji de confusión? Las pa...
Verbo Frasal: Take off (Quitar y Despegar)
### Overview ¡Hola! Como profesor que comparte tu misma lengua materna, sé perfectamente que los 'phrasal verbs' son un...
¡Espera un segundo! Usando 'Hold on'
### Overview El verbo compuesto `hold on` es una de esas piezas clave del inglés que, aunque parece sencilla, esconde m...
Vestirse: Ropa Formal y Disfraces (Dress up)
### Overview Dominar los *phrasal verbs* es, sin duda, uno de los mayores retos y, a la vez, una de las mayores satisfa...
