"This"is used to specify objects placed closer. "It "is used for non living things I have seen sentences like This is a pen. My question is It is a pen. .. ..... is correct? Why can't we use" it" in place of "this" since " it " also refers to non living things.
1 Answer
This is used when pointing out or identifying a nearby object. Once identified, you would use it.
What is this? It is a pen.
Whose book is this? It is my aunt's.