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All about causative verbs

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Words like "make", "force" and "let" are called "causatives". They show that a person does not choose to do an action themselves. They are asked to do it by another person who has some kind of power.

Use a causative verb when one person somehow makes another person do something:

  • The boss made me stay until 10 p.m.
  • David had the barber cut his hair.
  • My wife let me go fishing.

The causative relationship

In a causative sentence there is always some kind of "power" relationship. One person has the power to change or command another person's actions:

  • Workers will do what the boss says.
  • Kids listen to their parents.
  • A customer can tell staff what to do.

Let's say person A (like a boss or parent) has the power, and person B (the worker or kid) has to do what A says.

As long as one person can choose and decide what another person does, then we think they have a kind of power. The key is if A says nothing, B does nothing. A causes B to act or to do something. B actually does the action (the doer), but A is the origin or start of the action (the causer). For example:

  • My father made me clean the car.

Causatives show a power relationship between the causer and the doer.

Causative words

English has seven main causative verbs, used like auxiliary verbs:

  • make/force;
  • have/get;
  • let/allow; and
  • help.

Using causatives

Causative patterns can be divided in two ways: by grammar or by meaning and nuance.

By grammar

If you think about grammar, causative words can be made into two groups. Some of the words need "to" (the infinitive), but the others don't.

Look at the table below:

+ verb (no "to") + TO verb (infinitive)
make [SOMEONE] do force [SOMEONE] TO do
have [SOMEONE] do get [SOMEONE] TO do
let [SOMEONE] do allow [SOMEONE] TO do

"Help" is special. You can use "help" with or without "to". Both are correct:

help [SOMEONE] do help [SOMEONE] TO do

Some examples:

The boss makes her work on Saturday. The boss forces her TO work on Saturday.
The customer had the barber cut his hair.  The customer got the barber TO cut his hair.
Her mother lets her watch TV. Her mother allows her TO watch TV.
My teacher helped me answer the question. My teacher helped me TO answer the question.

By meaning and nuance

The nuance of the situation changes when you use different causative words. You have to choose the causative word based on the feelings of B about the action.

B does not want to, or does not choose to. A decides. A makes/forces B...
B does not care, but A must ask. A wants a favour. gets/has B...
wants to, but needs permission from AA makes the rules. lets/allows B...
B can't do it without AA is the expert. helps B...

Look at the examples again, but think about B's feelings:

The boss makes her work on Saturday.
The boss forces her TO work on Saturday.
Reluctance: She does not want, or choose, to work on her day off.
The customer had the waiter bring a menu.
The customer got the waiter TO bring a menu. 
Request: The customer has to ask.
If the customer does not ask, the barber will not cut the person's hair.
Her mother lets her watch TV.
Her mother allows her TO watch TV.
Permission: She wants to watch TV, but her mother makes the rules!
My teacher helped me answer the question.
My teacher helped me TO answer the question.
Aid: I want to answer the question, but I don't know how. I need help!
  1. Causatives can be very different language to language. They can be a challenge for learners.
  2. Japanese does not have different nuances with させる like English.
  3. Be careful with "make"—it is a special case.  It is used in some different ways to show change ("She makes me happy") and effect ("Challenges make life interesting").
  4. Words like "motivate", "lead" and "inspire" are used like causatives too. For example, "The story inspired me to learn guitar"; "The data lead us to believe that our experiment was a success"; or, "My mother motivated me to study hard." They follow the same grammar pattern as "force", "get" and "allow" but the nuance is much more positive, or gentle. 

Here is a list of these other causative words:

  • ask;
  • motivate;
  • lead;
  • inspire;
  • permit;
  • persuade;
  • convince;
  • bribe;
  • beg;
  • encourage;
  • pay.

Practice writing some sentences using each of the main causative words—use some of the more advanced words from the notes too. 

Write about who forces you to do things, who helps you, who lets you and so on. What inspired you to learn English? Who do you encourage at work and how? Do you ever need persuading or convincing to do something? Why? Who makes you do things you don't enjoy?

Send your sentences to Poligo and we will check them.

  • Matthew's picture
    About me
    I am from New Zealand. I lived in Japan and Brazil for a long time, but now I am back home in Auckland. I am the founder of Poligo. I like to play guitar and video games and surf when I get the chance. I have a wife and two boys.
    I specialize in teaching English to professionals and English teachers. I have taught English since 2001 in Japan, New Zealand and Brazil. I speak Japanese & Portuguese. I am the founder of Poligo and The English Farm (an online school for business English).

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