Several
Indefinite
Few
Indefinite
My - My students are the best!
Possessive Adjective
Who
Relative Pronoun
Both
Indefinite
The car, which is very old, was listed on Buy and Sell.
Which - Relative Pronoun
Mine and Yours - The big bag is mine and the small one is yours.
Personal/Possessive Pronoun
Someone
Indefinite
He is a hardworking students. You will never see him doing nothing.
He, You, Him - Personal Pronouns
His house looks like a mansion.
His - personal/possessive pronoun
Whose
Relative