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Apostrophes: contractions and possession

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Apuntes de la lección

What is an Apostrophe?

  • An apostrophe (') is a small punctuation mark that looks like a floating comma.
  • It has two main jobs: to show missing letters and to show ownership.
  • You will see apostrophes in many words you read and write every day.

Job 1: Contractions (Shortened Words)

  • A contraction is a short way to join two words together.
  • When we make a contraction, we leave out one or more letters and put an apostrophe in their place.
  • For example, 'do not' becomes don't – the apostrophe shows where the 'o' is missing.
  • Other examples: 'I am' → I'm, 'we will' → we'll, 'would not' → wouldn't.
  • The apostrophe always goes exactly where the missing letters were, not just anywhere.

Job 2: Showing Ownership (Possession)

  • An apostrophe can show that something belongs to someone or something.
  • For one owner (singular), add 's to the noun. Example: the dog's bowl means the bowl of one dog.
  • For more than one owner (plural) that already ends in 's', just add an apostrophe after the 's'. Example: the dogs' bowls means the bowls of many dogs.
  • For plural words that do not end in 's', add 's. Example: the children's game (children is plural but doesn't end in 's').
  • Remember: the apostrophe shows ownership, not just that a word is plural.

The Tricky Its vs. It's

  • It's with an apostrophe means 'it is' or 'it has' – it is a contraction.
  • Its without an apostrophe shows ownership – it means 'belonging to it'.
  • Example: 'The cat licked its paw' (ownership). 'It's raining' (it is raining).
  • Why? Because possessive words like 'its' do not need an apostrophe – they already show ownership.

Possessive Pronouns Never Use Apostrophes

  • Possessive pronouns are words that show ownership without an apostrophe.
  • These include hers, theirs, ours, yours, and its.
  • They already mean 'belonging to her', 'belonging to them', etc., so they never take an apostrophe.
  • Don't write 'her's' or 'their's' – that's a common mistake!

Common Mistakes to Avoid

  • Don't use an apostrophe to make a noun plural. For example, write 'apples' not 'apple's'.
  • Don't confuse 'its' (ownership) with 'it's' (it is).
  • Don't put an apostrophe in possessive pronouns like 'hers' or 'theirs'.
  • Check where the missing letter is in contractions – the apostrophe goes there.
  • For plural possession, if the word ends in 's', the apostrophe goes after the 's'.

Practice Tips

  • When you see a word with an apostrophe, ask: Is it a contraction or showing ownership?
  • To check a contraction, try saying the two full words. For example, 'don't' → 'do not'.
  • To check possession, ask: 'Who does it belong to?' Then decide if it's one owner or many.
  • Read your writing aloud – it can help you hear if an apostrophe is missing or in the wrong place.

Diapositivas

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Preguntas de práctica

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  1. 1.What are the two jobs of an apostrophe?

    Easy
    • ATo show where letters are missing and to show possession
    • BTo make words plural and to show possession
    • CTo show where letters are missing and to make words plural
    • DTo show emphasis and to make words plural
  2. 2.Which word is a contraction?

    Easy
    • Adon't
    • Bdog's
    • Cchildren's
    • Dits
  3. 3.The apostrophe in 'the dog's bowl' shows that the bowl belongs to the dog.

    Easy

    True or false?

  4. 4.The apostrophe in 'the dogs' bowls' shows that one dog owns the bowls.

    Easy

    True or false?

  5. 5.Which sentence uses the apostrophe correctly?

    Easy
    • AThe cat's are sleeping.
    • BThe cats' are sleeping.
    • CThe cat's sleeping.
    • DThe cats's sleeping.
  6. 6.Choose the correct word to complete the sentence: 'The bird flew from ___ nest.'

    Easy
    • Aits
    • Bit's
    • Cits'
    • Dits's
  7. 7.Which word is the contraction of 'they are'?

    Easy
    • Atheir
    • Bthere
    • Cthey're
    • Dtheyr'e
  8. 8.Select all the words that are contractions. (select all that apply)

    Medium
    • Awe'll
    • Bwouldn't
    • Chers
    • Dit's
    • Eours

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