- [Its / its] better to give than to receive.
- We always throw a big party on my [mothers
/ mothers / mothers]
- [Theyre / There /
Their] are three [pieces
/ pieces] of pie left.
- [Jims / Jims / Jims] teacher said that [your
/ youre] wrong.
- She could never finish one of [Dickens / Dickens / Dickenss /
- The dog growled and bared [its / its] fangs.
- The [boys / boys]
father said the baseball was his [sons / sons], but we knew it was [ours / ours].
- The [Simpsons / Simpsons
/ Simpsons] television is a central part of
- The [skies / skys] the limit.
- After three [days / days
/ days] worth of work, they completed the project.
- Its better to give than to receive.
[ Its is a contraction for it is. ]
- We always throw a big party on my mothers birthday.
[The apostrophe indicates possession: the birthday of my mother.
Mother is singular, so an apostrophe and an sare added.]
- There are three pieces of pie left.
[In this case, there is an expletive it doesnt indicate
possession (their) or a contraction (they are). Pieces is simply
the plural of piece and does not require an apostrophe.
- Jims teacher said that youre wrong.
[Jims teacher is another way of saying the teacher
of Jim. Jim is singular, so the possessive is made by adding
an apostrophe and s.]
- She could never finish one of Dickenss novels.
[Dickens is singular; therefore, an apostrophe and sare
added to make it possessive.]
- The dog growled and bared its fangs.
[Here, its is possessive: the fangs of the dog.
Possessive pronouns do not include apostrophes.]
- The boys father said the baseball was his sons, but we knew
it was ours.
[Both boys and sons are singular possessive
forms (adding apostrophe and s to the singular noun). Ours
is a possessive pronoun and thus does not include an apostrophe.]
- The Simpsons television is a central part of their lives.
[Simpsons is plural. Therefore an apostrophe is added after
the s thats already there.]
- The skys the limit.
[Skys is a contracted version of sky is.]
- After three days worth of work, they completed the project.
[The rules for this type of expression follow those for forming possessives.
Days is plural, so an apostrophe follows the existing s.]