* Contractions:
- can’t (cannot)
- didn’t (did not)
- haven’t (have not)
- I’m (I am)
- isn’t (is not)
- it’s (it is or it has)
- wasn’t (was not)
- weren’t (were not)
- won’t (will not)
- wouldn’t (would not)
* Possessive nouns:
- The dog’s bone
- The students’ desks
- The women’s restroom
* Omitted letters:
- bus’s (busses)
- gov’t (government)
- prof’s (professors)
* Plurals of single letters or numbers:
- I have two A’s on my report card
- She bought 3 DVD’s
- There are 5 s’s in the word Mississippi
* Dates, decades, and centuries:
- the class of ’22
- the roaring 20’s
- the 18th century