How to identifying someone? كيف تحدد شخص ما ؟

Hi and hello
today we are gonna talk about :
How to identifying some one ?

we use
1- participles النعوت هي الفعل مضاف له ing
2- preposition حروف الجر

1- participles :
the one + v+ ing
the ones +v+ing

Examples:

who is Mary?
She is the one wearing white T-shirt.

which one is Zaki ?
he is the one sitting near the window.

Who are the smiths ?
or
which ones are the smiths?

they are the ones wearing gloves.


2- preposition حروف الجر

who is Zaki ?
He is the one sitting next to Mary.

which one is Ahmed?
He is the one stitting on couch.