Causative Construction

The causative construction in English is used to describe situations where someone causes another person to do something for them or to have something done for them. It involves three main components: the causative verb, the subject (who causes the action), and the object (who performs the action or has it done to them).

Basic Formulation:

The causative construction typically involves the use of a causative verb followed by an object and a base or infinitive form of the main verb. There are two main causative verbs: "have" and "get"

  • Have: This causative verb implies that the subject arranges for someone to do something for them.
    Example: She had her car fixed by a mechanic. (She arranged for the mechanic to fix her car.)

  • Get: This causative verb implies that the subject persuades or convinces someone to do something for them.
    Example: He got his friend to help him with the project. (He persuaded his friend to help him.)

Subject-Verb Agreement:

The subject of the sentence is the person who causes the action, while the object is the person or thing affected by the action.
Example: She had her car fixed. (She caused the action of fixing her car.)
Example: He got his friend to help. (He caused the action of helping.)

Use of Infinitive or Bare Infinitive:

The main verb that follows the causative verb is often in its base or infinitive form. Sometimes, a "to" is included before the base form, but in some cases, it's omitted.
Example: She had her hair cut. (Infinitive form without "to")
Example: He got his brother to clean his room. (Infinitive form with "to")

Meaning:

The causative construction can express a variety of meanings, including:

  • Arranging for someone to do something for you: She had her house cleaned.

  • Convincing or persuading someone to do something: He got his sister to lend him some money.

  • Making someone do something (usually involuntary): The teacher made the students stay after class.

Signal Words:

Certain words or phrases can indicate the usage of the causative construction, such as "have," "get," "make," "arrange for," "persuade," etc.

Passive Causative:

In some cases, the causative construction can be used in the passive voice, where the object becomes the subject of the sentence. For example:
Example: His car was repaired by a mechanic. (Passive causative)


There are several ways to construct causative sentences in English, depending on whether the action is being caused to happen or to be done by someone else. Here are the main ways to construct causative sentences:


Have + Object + Past Participle:

This construction is used when someone causes something to be done by someone else.
The structure is: Subject + have + object + past participle.
Example: "She had her car repaired by a mechanic."
In this sentence, "she" is the subject causing the action, "her car" is the object receiving the action, and "repaired" is the past participle of the verb "repair."

Get + Object + Past Participle:

Similar to the "have" construction, the "get" construction is used to indicate that someone causes something to be done by someone else.
The structure is: Subject + get + object + past participle.
Example: "He got his house painted by professionals."
In this sentence, "he" is the subject causing the action, "his house" is the object receiving the action, and "painted" is the past participle of the verb "paint."

Make + Object + Base Form of Verb:

This construction is used when someone causes someone else to do something.
The structure is: Subject + make + object + base form of verb.
Example: "She made her children clean their rooms."
In this sentence, "she" is the subject causing the action, "her children" is the object performing the action, and "clean" is the base form of the verb.

Have/Get + Object + Infinitive:

This construction is similar to the "have" and "get" constructions using past participles, but it uses the infinitive form of the verb instead.
The structure is: Subject + have/get + object + infinitive.
Example: "He had his assistant prepare the report."
In this sentence, "he" is the subject causing the action, "his assistant" is the object performing the action, and "prepare" is the infinitive form of the verb.

Let + Object + Base Form of Verb:

This construction is used when someone allows or permits someone else to do something.
The structure is: Subject + let + object + base form of verb.
Example: "She let her son play with his toys."
In this sentence, "she" is the subject allowing the action, "her son" is the object performing the action, and "play" is the base form of the verb.

These are the main ways to construct causative sentences in English. Depending on the context and emphasis of the sentence, one construction may be more appropriate than another. Understanding and being able to use the causative form in English can be very useful for several reasons:


Expressing Cause and Effect: The causative form allows speakers to express the idea of causing something to happen or causing someone to do something. This is particularly useful when explaining actions or events that are initiated by someone or something else.

Communicating Requests and Instructions: Using the causative form, you can communicate requests or instructions to others, especially when you want them to do something for you or on your behalf.

Describing Actions Performed by Others: The causative form allows you to describe actions performed by others on your behalf or under your influence. This can be helpful in situations where you want to delegate tasks or describe actions taken by a third party.

Discussing Services or Actions Provided by Others: When discussing services or actions provided by others, such as getting your hair cut or your car repaired, the causative form helps convey the idea that someone else is performing the action for you.

Forming Passive Sentences: In some cases, the causative form can be used to create passive sentences, where the focus is on the action performed rather than the doer of the action. This can add variety and nuance to your writing and speech.


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