Possessive Pronouns with parts of the body and clothes
We normally use my, your, etc with parts of the body and with someone's clothes.
Emma shook her head sadly, NOT Emma-shook-the-head sadly.
Someone came up behind me and grabbed my arm.
You must take off your shoes before you enter a mosque.
But we usually use the in the following structure with a prepositional phrase.
VERB | PERSON | PREPOSITIONAL PHRASE | |
Someone | grabbed | me | by the arm. |
The stone | hit | Mike | on the head. |