Expanded noun phrases add detail about a noun. This makes your writing more descriptive and specific. They often include a determiner, an adjective and a noun. the dark tunnel The determiner ‘the’ is ...

Definiteness is an operator that referring to discourse and pragmatic situations. In a nutshell definiteness is a referent whose existence is commonly understood to both the speaker and the addressee.

The theory of grammar adopted here is that grammar is based on a logical form based on proposition structure. A proposition is that part of a sentence less its modal modifiers--roughly, the node S. A ...