Plural forms in a
Hi. I'm confused by something Duolingo is showing me.
In most cases it seems when counts of something are presented, the noun becomes plural so три собаки, две недели etc. But then for words like мальчик it goes to два мальчика instead of мальчики. Similar with часа и часы. Whats the pattern? Is it like saying "two examples of a boy" instead of "two boys"?
This is probably a dumb question, but im only a month or two into this.