Have a look at the nouns ending on s? Do you notice any apostrophes? * A noun/ zelfstandig NW=a word used to identify any of a class of people, places, or things ( common noun ), or to name a particular one of these ( proper noun ).
Meet the girls!
The girls’ eyeliners are always on fleek.
Charlene's eyeliner is razorsharp
lola has several eyeliners, but never wears eyeliner
Rose's favourite eyeliner is purple
Agnes's favourite shade is forest green