have + object + verb 3 (past participle) – have something done
have + object + infinitive – have someone do something
- Causative is used when arranging for someone to do something for us.
- They had their car repaired. (they arranged for someone to repair it)
- They repaired their car. (they did it themselves)
- I had my hair cut yesterday. (I went to the hairdresser)
- I cut my hair yesterday. (I cut it myself)
- Causative is also used when someone does something to us.
- Bill had his money stolen.
- have someone do something can be used to talk about giving instructions or orders (more common in American English).
- I had my assistant type the report.
- I’ll have my lawyer look into it.
Get is possible instead of have, usually in informal spoken English.
- I’m going to have my car fixed tomorrow.
- I’m going to get my car fixed tomorrow.