Comitative / Kaasaütlev

The Comitative/Kaasaütlev is used in the sense of "accompanying"

Add ga to the genitive form

[with whom?]	[with what?]
kellega?	millega?

The following four nouns are declined in the Comitative/Kaasaütlev case:

Book	Room	Bridge	Boat
raamatuga	toaga	sillaga	paadiga

Examples

Kas sa tuled minuga koos linna?	Are you coming to town with me?
Ta elab oma mehaga Tartus.	She lives with her husband in Tartu.
Palun kohvi koorega!	Coffee with cream, please.