Γραμματική
Nouns and determiners A1 A2

Possession

Use 's, of, my, mine, and related forms to show ownership and relationships.

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Οπτικός οδηγός

Possession: name the thing or not?

Possession = OWNER ↔ THING

Will you SAY the noun (thing name)?

YES → BEFORE the noun
       my / David's + noun
       This is my coat.
       David's sister is here.

NO  → ALONE
       the thing name is already clear
       mine / Anna's
       This coat is mine.

PART / ROLE inside a bigger thing → of
       The end of the film was surprising.

If you name the thing, put the possession form before it; if the thing is understood, use the alone form; use of for part/role links.

Introduction

Possession means a link

Possession shows a link between a noun and an owner or source: ownership, family, parts, roles, or belonging. It does not always mean legal ownership. My phone is new. David's sister is here. English normally shows the link in three ways: a possessive word before a noun, an 's form after the owner, or an of phrase after the thing. The useful question is: is the possessive word before a noun, or does it replace the noun?
Core Γραμματική A1 Λεξιλόγιο A1 Neutral

My phone is new.

A possessive determiner before a noun shows who the noun is connected to.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

My phone

possessive_determiner_before_noun
A possessive determiner comes before the noun it identifies.
Μάθετέ το ως ενιαίο σύνολο
is new

predicate
This says something about the possessed thing.
Core Γραμματική A1 Λεξιλόγιο A1 Neutral

David's sister is here.

Possession can describe relationships such as family.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

David's sister

owner_s_relationship
's can show a family relationship, not only ownership.
Μάθετέ το ως ενιαίο σύνολο
is here

predicate
This gives the situation of that person.
Core logic

Before a noun or instead of a noun

Use possessive determiners before a noun: my, your, his, her, its, our, their. They point to which noun you mean. This is my coat. Is that your laptop? Use possessive pronouns without a noun: mine, yours, his, hers, ours, theirs. They replace a full noun phrase, often to avoid repetition. This coat is mine means this coat is my coat. No, it isn't yours means it isn't your laptop. Do not use the before my, your, or another possessive determiner.
Core Γραμματική A1 Λεξιλόγιο A1 Neutral

This is my coat.

My is a possessive determiner, so it must go before a noun.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

This is my coat

this_is_possessive_determiner_noun
Use my before a noun.
Μάθετέ το ως ενιαίο σύνολο
Core Γραμματική A1 Λεξιλόγιο A1 Neutral

This coat is mine.

Mine is a possessive pronoun, so it replaces the noun phrase instead of standing before a noun.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

This coat

possessed_thing_as_subject
The thing being identified is the subject.
is mine

standalone_possessive_pronoun
Mine replaces my coat and stands alone.
Μάθετέ το ως ενιαίο σύνολο
Question Γραμματική A1 Λεξιλόγιο A1 Neutral

Is that your laptop?

In questions, the possessive determiner stays before the noun.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

Is that

yes_no_question_frame
This starts a yes/no question with be.
your laptop

possessive_determiner_noun
Your comes before the noun laptop.
Μάθετέ το ως ενιαίο σύνολο
Negative Γραμματική A1 Λεξιλόγιο A1 Neutral

No, it isn't yours.

A possessive pronoun can stand alone after a negative verb form.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

No, it isn't

negative_short_answer
A negative short answer follows normal be grammar.
yours

standalone_possessive_pronoun
Yours replaces your laptop.
Μάθετέ το ως ενιαίο σύνολο
Core pattern

Owner + 's + noun

With people, animals, and many groups, put the owner first and add 's: owner + 's + noun. Mia's keys are on the table. For a regular plural ending in s, put only an apostrophe after the s: My parents' house is near the station. For an irregular plural, add 's: The children's room is quiet. With names ending in s, both James's office and James' office are used; James's is common in learning materials. The noun after the 's form can be left out when it is clear from context.
Core Γραμματική A1 Λεξιλόγιο A1 Neutral

Mia's keys are on the table.

For one person, add 's to the owner and place it before the noun.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

Mia's keys

owner_s_noun
Owner + 's comes before the thing owned.
Μάθετέ το ως ενιαίο σύνολο
are on the table

location_phrase
This says where the keys are.
Core Γραμματική A2 Λεξιλόγιο A1 Neutral

My parents' house is near the station.

Parents is plural, so the possessive apostrophe comes after the plural s.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

My parents' house

plural_owner_apostrophe
A regular plural ending in s takes an apostrophe after the s.
Μάθετέ το ως ενιαίο σύνολο
is near the station

location_predicate
This describes where the house is.
Core Γραμματική A2 Λεξιλόγιο A1 Neutral

The children's room is quiet.

Irregular plurals that do not end in s normally take 's.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

The children's room

irregular_plural_owner_s
Children is an irregular plural, so add 's.
Μάθετέ το ως ενιαίο σύνολο
is quiet

predicate
This describes the room.
Usage rules

Of for parts, roles, and long owners

Use of when the first noun is a thing, a part, a place, or a longer description. Of often builds a chain from the thing to its part, position, or source. The end of the film was surprising. It is also common for roles inside places or organizations: The manager of the restaurant called me. For a simple person owner in everyday speech, 's usually sounds better than of: My brother's car is outside, not the car of my brother. Organizations can use either pattern depending on style.
Core Γραμματική A2 Λεξιλόγιο A2 Neutral

The end of the film was surprising.

Of is natural for parts or positions in things.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

The end of the film

of_part_phrase
Of links a thing to its part or position.
Μάθετέ το ως ενιαίο σύνολο
was surprising

predicate
This gives information about that part.
Core Γραμματική A2 Λεξιλόγιο A1 Neutral

The manager of the restaurant called me.

Of is common for roles inside places or organizations.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

The manager of the restaurant

role_of_place
Of links a role to the place or organization it belongs to.
Μάθετέ το ως ενιαίο σύνολο
called me

action
This says what that person did.
Contrast Γραμματική A1 Λεξιλόγιο A1 Neutral

My brother's car is outside.

With simple person owners, 's usually sounds more natural than of.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

My brother's car

person_owner_s_noun
For a simple person owner, 's is the normal everyday choice.
Μάθετέ το ως ενιαίο σύνολο
is outside

location_predicate
This says where the car is.
Sentence xray

Questions and negatives

Whose asks for the owner. In Whose coat is this?, whose belongs with coat and asks which person has the coat. A short answer can use 's without repeating the noun: It's Anna's means it is Anna's coat. Negatives follow the normal verb pattern. This isn't my seat keeps my before the noun seat. That bag isn't mine uses mine alone after be. The word order changes for questions, but the possessive form itself does not change.
Question Γραμματική A1 Λεξιλόγιο A1 Neutral

Whose coat is this?

Whose asks which person owns or is connected to something.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

Whose coat

whose_question
Whose asks for the owner of the noun coat.
Μάθετέ το ως ενιαίο σύνολο
is this

identification_question
This asks about the item near the speaker.
Spoken Γραμματική A1 Λεξιλόγιο A1 Neutral

It's Anna's.

's can stand alone when the noun is clear from context.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

It's Anna's

short_answer_with_understood_noun
Anna's means Anna's coat; the noun is understood.
Μάθετέ το ως ενιαίο σύνολο
Negative Γραμματική A1 Λεξιλόγιο A1 Neutral

This isn't my seat.

A possessive determiner still goes before a noun in negative sentences.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

This isn't

negative_be_frame
A normal negative be form.
my seat

possessive_determiner_noun
My must stay before the noun seat.
Μάθετέ το ως ενιαίο σύνολο
Negative Γραμματική A1 Λεξιλόγιο A1 Neutral

That bag isn't mine.

A possessive pronoun can stand alone in a negative sentence.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

That bag isn't

negative_subject_frame
The thing is the subject, followed by a negative be form.
mine

standalone_possessive_pronoun
Mine stands alone and replaces my bag.
Μάθετέ το ως ενιαίο σύνολο
Form variations

Forms to recognize

The form changes with the owner, not with the thing owned. Before a noun, use my, your, his, her, its, our, their. Alone, use mine, yours, his, hers, ours, theirs. His has the same form in both jobs; her changes to hers when it stands alone. Its is normally used before a noun, not as an everyday standalone pronoun. To add emphasis, put own after a possessive determiner: I have my own room. For one person among your contacts, use of plus a possessive pronoun: She is a friend of mine.
Core Γραμματική A2 Λεξιλόγιο A1 Neutral

I have my own room.

Own adds emphasis to the possessive idea.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

my own room

own_emphasis
Own after a possessive determiner emphasizes personal possession or independence.
Μάθετέ το ως ενιαίο σύνολο
I have

have_frame
Have introduces possession.
Core Γραμματική A2 Λεξιλόγιο A1 Neutral

She is a friend of mine.

A friend of mine is natural; a friend of me is not.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

a friend of mine

double_possessive_relationship
Of plus a possessive pronoun means one of my friends.
Μάθετέ το ως ενιαίο σύνολο
She is

identity_frame
This identifies the person.
Contrast

Its, it's, and apostrophe 's

Closest common confusion: possessive its versus the contraction it's. Its has no apostrophe and shows possession. It's means it is or it has. The hotel changed its name. It's open now means it is open now. The same written 's can have different jobs after names and nouns. If another noun follows, it is often possession, as in Anna's coat. If a verb idea follows, it may be a contraction, as in Anna's here. Read the whole sentence, not just the apostrophe.
Contrast Γραμματική A1 Λεξιλόγιο A1 Neutral

The hotel changed its name.

Its has no apostrophe when it shows possession.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

its name

possessive_its_before_noun
Its is possessive and comes before a noun.
Μάθετέ το ως ενιαίο σύνολο
The hotel changed

subject_action
This gives the subject and action.
Contrast Γραμματική A1 Λεξιλόγιο A1 Neutral

It's open now.

It's is a contraction and should not be confused with possessive its.

Δομικά στοιχεία

Διαβάστε την πρόταση σε νοηματικές ενότητες, όχι λέξη προς λέξη.

It's open now

contraction_it_is
It's means it is, not possession.
Μάθετέ το ως ενιαίο σύνολο
Danger zone

Common traps

Common errors usually come from swapping the two possessive jobs. Not This is mine coat; say This is my coat, because a noun follows. Not That bag is my; say That bag is mine, because the possessive word stands alone. Not a friend of me; say a friend of mine. For a simple person owner, avoid the heavy of pattern in everyday speech: use Sarah's phone, not the phone of Sarah. Possessive pronouns never take apostrophes: yours, hers, ours, theirs.
Summary

Choose the right possession tool

Choose the possessive form by position and relationship. Before a noun, use my, your, his, her, its, our, their, or an owner + 's form. Without a noun, use mine, yours, his, hers, ours, theirs, or an 's form alone when the noun is understood. Use of especially for parts, things, roles, organizations, and long owner phrases. Check apostrophes carefully: parents' is plural possession, children's is irregular plural possession, and it's is a contraction, not a possessive.

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