Is grass common noun or material noun?

"Grass" can be both a common noun and a material noun, depending on how it's used in a sentence.

* Common noun: When "grass" refers to the general type of plant, it's a common noun.

* Example: "The grass was green and lush."

* Material noun: When "grass" refers to the substance or material made from the plant, it's a material noun.

* Example: "They used grass to make a roof."

Here's a simple way to remember:

* Common noun: Refers to a specific thing, like a single blade of grass.

* Material noun: Refers to the stuff the grass is made of.