Wiec moze najprosciej byloby tak:
najpierw osoba, dla ktorej cos sie wykonuje, ale sama nic nie robi
potem HAVE odmienione do odpowiedniego czasu
potem rzecz, z ktora jest cos robione
i na koniec 3 forma czasownika
:-)
I have had my children driven to school.
Susan, hi, sorry but I can't talk now - I'm having my hair cut.
Moze dobrze to zobaczyc na przykladach:
My boyfriend has driven my children to school.
I have had my children driven to school.
His secretary is infusing a cup of coffee for him.
He is having a cup of coffee infused.
My teachers always marks all the mistakes I make in my essays.
I have all the mistakes marked.