ref – https://www.youtube.com/watch?v=zuVWK3V_zyg

Show possession

of the
Objects/things that are not alive

‘s
Person, group of people, country, animals.

example:

The leg of the chair is broken.
The dog‘s leg is broken.

My father‘s house is really nice.
The house of my father is really nice.

Expressions of quantity

A lot of sugar.
A number of mistakes.
Lots of love.

A great deal of money.
The majority of students are poor.
A couple of reasons.

Both of of my arms are broken.

All students hate math. (students in general)

All of my students hate math.
All of the students hate math.
(Specific group)