Wednesday, September 26, 2012

CAUSATIVE FORM


Form
Have + object + verb  (past participle) - have something done
Have + object + infinitive -- have someone do something

Meaning
1.       We use causative when arranging for someone to do something for us.
·         They had their car repaired. (They arranged for someone to repair it)
Compare: They repaired their car.
(They did it themselves)
·         had my hair cut yesterday. (I went to the hairdresser)
Compare: I cut my hair yesterday.
(I cut it myself)
2.       We use causative when someone does something to us.
·         Bill had his money stolen.
3.       We can use have someone do something to talk about giving instructions or orders (more common in American English).
·         had my assistant type the report.
·         I'll have my lawyer look into it.


1 Formation

The Causative Form is used when we don´t do something ourselves, but we arrange for someone else (usually an expert) to do it for us.

Subject
   +   
Have/Get
   +   
Object
   +   
Past Participle 
He

had

his car

serviced

2 Verb forms in the Causative Form

In the next table there are a few examples of the causative form in diferent verb forms.

Verb forms
Active Voice
Causative Form
Present Simple
We paint the house every year.
We have the house painted every year.
Present Progressive
Beth is washing her car.
Beth is having her car washed.
Past Simple
He typed three letters yesterday.
He had three letters typed yesterday.
Future "Will"
We will install the lights next week.
We will have the lights installed next week.
Present Perfect Simple
The girls have repaired their bicycles.
The girls have had their bicycles repaired.
Modal verbs
You should fix the leakage in the tank.
You should have the leakage in the tank fixed.
Imperative
Clean the table, please.
Have the table cleaned, please.