OF
Of - Possession
Of is mainly used as a possessive.
e.g.:
He is a friend OF mine.
The color OF the house is red.
PS:It's more common to use the possessive S or the possessive adjective in English.
FROM
From - Origins
From is generally used to express that something originates from something else, that something comes from somewhere, or some person. For example,
Jack comes from Portland.
This formula derives from the work of Peter Schimmel.
This pearl comes from the South Pacific.
This formula derives from the work of Peter Schimmel.
This pearl comes from the South Pacific.
From - To / From - Until
From can also be used with the prepositions 'to' and 'until' to mark the beginning and ending point of time of an action or state. Generally, 'from ... to' is used with past tenses, while 'from ... until' is used when speaking about future actions. However, 'from ... to' can be used in most situations. For example,
I played tennis from two until four in the afternoon yesterday.
We are meeting in Chicago from Monday until Thursday.
We are meeting in Chicago from Monday until Thursday.
