In the sentence 'She is happy', 'happy' is a predicative adjective.
You can change the adjective 'sweet' into a noun by adding the suffix '-ness' to the end of the word.
In 'a sudden movement', 'sudden' is an adjective in the attributive position.
I don't think I'd call it a beautiful picture - 'interesting' might be a better adjective to use!
However, this asymmetrical distribution means that the only context that permits comparison among really, very, so and pretty as intensifiers is the predicative adjective context.
By contrast, ordinary adjectives without passive morphology were unlikely to be reanalyzed as verbs or to give rise to a verbal interpretation.
This could be due to a purely syntactic difference between number words and adjectives.
Adjectives are one of the four major word classes, along with nouns, verbs and adverbs. Examples of adjectives are: big, small, blue, old, rich and nice. They give us more information about people, animals or things represented by nouns and pronouns:
Adjectives give us more information. They modify or describe features and qualities of people, animals and things.
Most common adjectives are members of a pair of opposites (antonyms):
Many pairs of opposites are gradable, i.e. they have different degrees of the same feature:
Unlike in many other languages, adjectives in English do not change (agree) with the noun that they modify:
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