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signal omissions in common phrases:
rock and roll rock ‘n’ roll
class of 2005 class of ‘05
|It is, it has – it’s
||I would, I had – I’d
||Will not – won’t
|Was not – wasn’t
||He would, he had – he’d
|| Let us – let’s
|Could not – couldn’t
||Would not – wouldn’t
|| I am – I’m
|He is, he has – he’s
|| Do not – don’t
||Cannot – can’t
|You will – you’ll
||Does not – doesn’t
||Who is, who has – who’s
Singular nouns: The girl’s book was overdue.
- not ending in –s: The men’s hats blew off.
- ending in –s: The birds’ feathers were red
Compound nouns: My mother-in-law’s dog is well behaved.
Two or more nouns:
- individual possession: I liked both Kate’s and Margaret’s paintings.
- joint possession: Have you seen John and Kari’s new car?
Numbers, letters, symbols, and words referred to as term
- The gymnasts need marks of 8’s and 9’s to qualify for the finals.
- My computer will not print m’s because my keyboard is broken.
Do not use an apostrophe for the plural of years:
- I like the style of clothing from the 1980s.
- My brother is studying the ‘20s in his history class.
It’s vs. Its
It’s is a contraction for it is/has.
It’s a beautiful day!
Its is the possessive form of it.
The dog has its bone.