​When we arrange for someone to do something for us

​​have + object + past participle

He asked the mechanic to repair his car -> He had his car repaired

Negations and questions

do/does + to have

did + to have

She doesn't have the flowers arranged​. Does she have the flowers arranged?

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​I didn't have the clothes ironed. Did you have the clothes ironed? ​

Instead of passive to express accidents, misfortunes, or unpleasant experience

He had his cheek bruised in a fight = His cheek was bruised in a fight

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Peter had his phone stolen last night = Peter's phone was stolen last night.

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What can be used instead of have?

Get

Did you have/get your hair cut?​

When someone persuades someone to do something

​Get + object + to infinitive

She got her husband to cut the grass.

(She persuaded her husband to cut the grass)

Someone causes someone else to do sth (but their meaning is slightly different)

​Make/have + object + bare infinitive

He made Armin send a fax (He insisted that Armin should send a fax)

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He had Armin send a fax (He asked Armin to send a fax)​