|Ronny's brother||Ronnys Bruder and
Ronny's Bruder (since spelling reform)
Mandy brother John plays football.
My teacher name is ...
Add the apostropheto regular plural forms:
The girls room is very nice.
The Smiths car is black.
Addto irregular plural forms:
The children books are over there.
Men clothes are on the third floor.
Singular names ending in -s
Although it is not considered to be good English, you may add only the apostrophe words ending on unpronounced -s
Charlesdog – Charles dog
Illinoiscapital – Illinois capital
Words ending in -x and -z follow the same rules.
Felixcar – Felix car
But there are situations where onlyis the best choice to make the meaning clear.
If there are multiple nouns that refer to one person/thing – add an to the last noun.
mother is a teacher.
If there are multiple nouns that refer to more persons/things – add to both nouns.
bags are black.
Thanks to Karin and Robert.