Grammar
In linguistics, grammar is the set of structural rules governing the composition of clauses, phrases, and words in any given natural language. The term refers also to the study of such rules, and this field includes morphology, syntax, and phonology, often complemented by phonetics, semantics, and pragmatics.
short lesson on contractions in English
Mouldy SpongeGrammar
Public service announcement. I might re-do this later with some nice typography, but for now I...