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This Cat Can’t Spell. It’s Time for Its Grammar Lesson

Another guide to a very common grammar error: confusing its and it’s.

This is one that used to confuse me. Both its and it’s are valid words. One is short for ‘it is’ and the other means ‘belonging to it.’ But which is which?

I struggled to get my head around this for ages. The contraction of ‘it is’ should take an apostrophe (that little thing like a comma up in the air), shouldn’t it, because as my English teacher at school old me, you use an apostrophe when you contact two words together and lose some of the letters. But she also told me that you use an apostrophe and an ‘s’ after a person to show something belongs to them – the possessive case to get technical. So surely ‘belonging to it’ should be written it’s too? Just like ‘the car belonging to John’ is written John’s car.

Wrong!

There’s a special group of words called the possessive adjectives, derived from pronouns like me, you, etc. We have:

my = belonging to me

your = belonging to you

his = belonging to him

her = belonging to her

We don’t write ‘him’s car’ do we? We write ‘his car.’ So these possessive adjectives don’t follow the rule about adding an apostrophe and an s.

When I finally understood this, it became clear. Its as in ‘belonging to it’ doesn’t take an apostrophe either.

So we have:

it’s = it is

its = belonging to it

If you can replace the it’s / its in the sentence with ‘it is’ and the sentence still makes sense, then use it’s. If you’re trying to show that something belong to ‘it’ (whatever it is!) then use plain old its, with no apostrophe.

And to help you remember, you can think of the title to this article: “It’s Time For Its Grammar Lesson” – it is time for the grammar lesson belonging to (intended for) it (the cat).

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