Pontosan mik azok a Participle clauses-ok? Hogyan kell használni és mire jók? (Angol nyelv)

Present vagy Past Participlet lehet használni a főnévi rész (alany/tárgy) kiegészítésére.

PAST PARTICIPLE

A pair of shoes WORN by grandma was given her as a present by grandpa.

Thick bushes in the wood PELTED with ticks can cause Lyme disease.

Bubbles BLOWN by the new kids on the block were flying around in the sky.

PRESENT PARTICIPLE

A parrot SAYING hello greeted him in enthusiasm.

The man CARRYING a black suitcase was actually the headmaster.

The car SMOKING in the garage belonged to Dad.