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SpecialUpper intermediate

Causatives: Hacer, Dejar, Mandar

Express making or having someone do something in Spanish

What You'll Learn

  • Understand what causative constructions are and when to use them
  • Master hacer + infinitive to express making or having someone do something
  • Use dejar + infinitive to express letting or allowing someone to do something
  • Apply mandar + infinitive to express ordering someone to do something
  • Place correctly with causative verbs
  • Distinguish between causative constructions and direct commands

Overview

What Are Causative Constructions?

Causative constructions express that someone causes or allows another person to do something. Instead of doing the action yourself, you make, let, or order someone else to do it. In Spanish, the main causative verbs are hacer (make/have), dejar (let/allow), and mandar (order/command).

The Three Main Causative Verbs

HACER + infinitive
Make / Have someone do something
Lo hice trabajar
I made him work
DEJAR + infinitive
Let / Allow someone to do something
Lo dejé salir
I let him go out
MANDAR + infinitive
Order / Command someone to do something
Lo mandé callar
I ordered him to be quiet

Key Concept

In causative constructions, you're not doing the action -you're causing someone else to do it. The formula is simple: Causative verb + direct object pronoun + infinitive. The person who performs the action is expressed as the direct object.

Structure & Formation

Pattern 1: HACER + Infinitive (Make/Have Someone Do)

Use hacer to express causing or forcing someone to do something.

HACER + (direct object pronoun) + INFINITIVE
Lo hice estudiar
I made him study
El jefe nos hizo trabajar tarde
The boss made us work late
La película me hizo llorar
The film made me cry
¿Te hizo esperar mucho?
Did he/she make you wait long?

Pattern 2: DEJAR + Infinitive (Let/Allow Someone To Do)

Use dejar to express allowing or permitting someone to do something.

DEJAR + (direct object pronoun) + INFINITIVE
Mis padres me dejaron salir
My parents let me go out
No la dejaron entrar
They didn't let her come in
¿Me dejas usar tu móvil?
Will you let me use your phone?
Déjalo hablar
Let him speak

Pattern 3: MANDAR + Infinitive (Order/Command Someone To Do)

Use mandar to express ordering or commanding someone to do something.

MANDAR + (direct object pronoun) + INFINITIVE
La profesora nos mandó callar
The teacher ordered us to be quiet
Te mandé limpiar tu cuarto
I ordered you to clean your room
El capitán los mandó marchar
The captain ordered them to march
¿Quién te mandó venir?
Who ordered you to come?

Pronoun Placement

The direct object pronoun can go in two places. Option 1 is more common in everyday speech.

Option 1: Before the verb (common)

Lo hice trabajar
I made him work

Option 2: Attached to infinitive

Hice trabajarlo
I made him work

Note: With reflexive verbs, the reflexive pronoun stays with the infinitive:Lo hice levantarseI made him get up

Other Causative-Type Verbs

PERMITIR + infinitive

Permit/Allow (formal)

No me permiten fumar aquí
They don't permit me to smoke here

OBLIGAR + a + infinitive

Force/Oblige

Me obligaron a firmar
They forced me to sign

AYUDAR + a + infinitive

Help

La ayudé a estudiar
I helped her study

IMPEDIR + infinitive

Prevent/Stop

Le impidieron salir
They prevented him from leaving

Examples

HACER Examples (Make/Have)

Causing action
Lo hice estudiar
I made him study
Workplace
El jefe nos hizo quedarnos
The boss made us stay
Emotional
Me hiciste llorar
You made me cry
Emotional
La película me hizo reír
The film made me laugh
Future
Les haré repetir el ejercicio
I'll make them repeat the exercise
Question
¿Te hizo esperar mucho?
Did he/she make you wait long?

DEJAR Examples (Let/Allow)

Permission
Mis padres me dejaron salir
My parents let me go out
Denial
No la dejaron entrar
They didn't let her in
Request
¿Me dejas usar tu móvil?
Will you let me use your phone?
Command
Déjalo hablar
Let him speak
Future
No te dejaré conducir
I won't let you drive
Past
Los dejé jugar en el jardín
I let them play in the garden

MANDAR Examples (Order)

School
La profesora nos mandó callar
The teacher ordered us to be quiet
Home
Te mandé limpiar tu cuarto
I ordered you to clean your room
Military
El capitán los mandó marchar
The captain ordered them to march
Workplace
Me mandaron escribir un informe
They ordered me to write a report
Question
¿Quién te mandó venir?
Who ordered you to come?
Command
Lo mandé sentarse
I ordered him to sit down

Common Mistakes

1. Don't confuse causatives with direct commands

❌ Causative (wrong context)
Hice trabajar (no direct object)
Incomplete - work who?
✅ Causative (correct)
Lo hice trabajar
I made him work

Causatives require someone to perform the action. If there's no other person involved, use a direct or simple verb instead.

2. Using indirect object pronouns instead of direct

❌ Incorrect pronoun
Le hice estudiar
Wrong - uses indirect object 'le'
✅ Correct pronoun
Lo hice estudiar
I made him study

The person performing the action in a causative construction is the direct object, not the indirect object. Use lo/la/los/las, not le/les.

3. Forgetting the difference between hacer and dejar

HACER = force/cause
Lo hice salir
I made him leave (he didn't want to)
DEJAR = allow/permit
Lo dejé salir
I let him leave (he wanted to)

These verbs have opposite meanings! Hacer implies causing or forcing something against resistance, while dejar implies giving permission or allowing.

4. Wrong word order with pronouns

❌ Pronoun in wrong place
Hice lo trabajar
Wrong position
✅ Correct position
Lo hice trabajar
I made him work

The pronoun goes before the conjugated causative verb, not between the verb and the infinitive.

5. Mixing up mandar (order) with enviar (send)

MANDAR + infinitive
Me mandó callar
He/She ordered me to be quiet
MANDAR/ENVIAR + noun
Me mandó un mensaje
He/She sent me a message

Mandar can mean both "to order" (with infinitive) and "to send" (with a noun object). Context matters!

6. Using 'que + subjunctive' when a simple infinitive works

⚠️ More complex (but correct)
Hice que estudiara
I made him study
✅ Simpler (preferred)
Lo hice estudiar
I made him study

While "hacer/mandar/dejar que + " is grammatically correct, the simple causative construction with the infinitive is more natural and common in everyday speech.

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Quick Test

Test your understanding of hacer, dejar, and mandar with infinitives:

1. How do you say 'I made him study' using a causative construction?

ALo hice estudiar
BLe hice estudiar
CHice lo estudiar
DHice que estudiara

2. Which sentence means 'My parents let me go out'?

AMis padres me dejaron salir
BMis padres me hicieron salir
CMis padres me mandaron salir
DMis padres me permitieron que saliera

3. What's the correct way to say 'The boss made them work overtime'?

AEl jefe les hizo trabajar horas extras
BEl jefe los hizo trabajar horas extras
CEl jefe hizo les trabajar horas extras
DEl jefe hizo trabajar les horas extras

4. Which verb would you use to say 'The teacher ordered us to be quiet'?

Ahizo
Bdejó
Cmandó
Dpermitió

5. How do you say 'Don't let him leave!'?

A¡No lo dejes salir!
B¡No le dejes salir!
C¡No dejes lo salir!
D¡No dejas que salga!

6. What does 'Me hiciste llorar' mean?

AYou let me cry
BYou made me cry
CYou ordered me to cry
DYou helped me cry

7. Which construction correctly says 'I'll have them clean the room'?

ALes haré limpiar el cuarto
BLos haré limpiar el cuarto
CHaré les limpiar el cuarto
DHaré que limpien el cuarto

8. What's the difference between 'dejar' and 'hacer' in causatives?

ANo difference, they're interchangeable
BDejar = let/allow, Hacer = make/cause
CDejar is formal, Hacer is informal
DDejar is for past, Hacer is for future