This document discusses English grammar and its traditional rules. It covers parts of speech like nouns, verbs, adjectives. It also discusses agreement between parts of a sentence in number, person, tense and gender. Traditional grammar was prescriptive and based rules like not ending sentences with prepositions. Descriptive grammar describes how language is actually used. Structural and constituent analysis are used to investigate sentence structure and how constituents are organized hierarchically. An example shows how an English sentence translates to Gaelic with different word order.