Passive voice

Have + something + done
cut hair
Present simple
I have my hair cut
Present continuous
I am having my hair cut
Present perfect
I have had my hair cut
Past simple
I had my hair cut
Past continuous
I was having my hair cut
Past perfect
I had had my hair cut
Future simple
I will have my hair cut
Modal verbs
I must have my hair cut
I should have my hair cut
I need to have my hair cut.