Noun
Naming words
People, places and things
Adjectives
Describing words
Provide extra information
Some Green leaves
Verbs
Doing words
Dynamic verbs
Express a wide range of actions physical like jump ,mental like think or perceptual like see
Auxiliary verb
Used to construct timescales questions and negatives , emphasis or adds information about mood or attitude
Primary verbs
To be , to have , to do
Pronouns
Subject
Object
Possessive
Reflective
Demonstrative
Interrogative
Relative
Indefinite
Prepositions
Describe relationships that exist between elements in sentences