1)proper Noun ( always start Capital letter)
- common Noun ( A kind of man or materials general name) Example : girl, poet)
- collective Noun ( Army, Jury)
- material Noun ( Iron, water)
- Collective Noun ( Air, honesty)
Example and exercise - Rahim, Karim, India, Meghna ( proper Noun)
- girl, boy, player, river ( common Noun)
- Committee, meeting, pack, fleet,flock,shoal,library, class,group( collective Noun)
- Iron is a useful metal here iron is Material Noun. Gold is a material Noun.
- sadness,honesty,love, happiness ( abstract Noun)