We use have + object + past participle to say that we have arranged for someone to do something for us.
Ann had her hair cut by the hairdresser.
- Questions and negations of the verb have are formed with do/does or did.
Did you have the tap fixed?
- We can also use the causative form to say that something unpleasant happened to somebody.
- We can use the verb get instead of the verb have only in informal conversation.
PRESENT SIMPLE She types the letters She has the letters typed
PRESENT CONTINUOUS She`s typing the letters She`s having the letters typed
PAST SIMPLE She typed the letters She had the letters typed
PAST CONTINUOUS She was typing the letters She was having the letters typed
FUTURE SIMPLE She`ll type the letters She`ll have the letters typed
PRESENT PERFECT She has typed the letters She has had the letters typed
PRESENT PERFECT CONT. She has been typing the letters She has been having the letters typed
INFINITIVE She must type the letters She must have the letters typed
your efforts are really appreciable.
thanks for yor help