Grammar: Set of structural principles, rules, and constraints that make a language

Linguistic Competence: Knowledge to distinguish possible and impossible utterances of a lang

Knowledge Type of Competence
Possible combinations of sounds Phonological competence
Possible composition of words Morphological competence
Possible sequence of words in a sentence Syntactic competence
Possible meaning of sentences Semantic competence

Word: A free-form element (e.g. “disputing” is a word but “-ing” is not)

  1. Does not have to be in a fixed position relative to neighbours
  2. Can appear in isolation

Morpheme: Smallest unit that has lexical or grammatical meaning (e.g. sun, dispute, -ing, -er, are all morphemes. “disputing” is not)

Affix

Irregular Changes

Inflectional