English Possessives: ’s, s’, Of, and Possessive Pronouns

Possession in English is broader than ownership. Possessive forms can express relationships, parts, authorship, time, measurement, and association, so choosing between ’s, of, and possessive pronouns is an important accuracy skill.

Apostrophe + s

Use ’s especially with people, animals, organisations, places, and time expressions.

• Dana’s laptop
• the company’s strategy
• Kazakhstan’s economy
• tomorrow’s meeting
• a week’s holiday

Plural possessors

For regular plurals already ending in -s, place the apostrophe after the final s. Irregular plurals take ’s.

• the students’ books
• my parents’ house
• the children’s room
• people’s expectations

The of-phrase

Use of naturally with parts of things, long noun phrases, and many inanimate relationships. English often allows both forms, but one may sound more natural.

• the end of the lesson
• the colour of the wall
• the decision of the committee / the committee’s decision

Possessive adjectives and pronouns

Possessive adjectives come before a noun: my, your, his, her, its, our, their. Possessive pronouns stand independently: mine, yours, his, hers, ours, theirs.

• This is my seat. / This seat is mine.
• That is their idea. / The idea is theirs.

Its and it’s

Its is possessive. It’s means it is or it has. The apostrophe marks contraction, not possession, in this pair.

• The company changed its policy.
• It’s a useful policy.

Common mistakes to avoid

• the car of Maria is grammatically possible but usually less natural than Maria’s car.
• it’s colour → its colour.
• Do not add an apostrophe to ordinary possessive pronouns: yours, not your’s.

Quick practice

1. Rewrite with ’s: “the office of the manager”.
2. Choose: “The dog hurt its/it’s leg.”
3. Complete: “This notebook is not mine; it is ___.”

Suggested answers: 1. the manager’s office; 2. its; 3. yours/his/hers/theirs depending on context.

Key takeaway

Treat possessives as a system of relationships, not just ownership. Learn the form together with the kind of noun and the information structure of the phrase.