How to say " my " in Arabic language ?

 How to say " my "  in Arabic language ?

Just let's see example

قلم pen 

Pronunce qalam

So if you want to say " my pen " 

My pen قلمي  qalamee 

You should add ي  " ee "in the end of the word to mean the thing is yours 

Book كتاب kitab 

My book كتابي ketabee