In Inflections^x, Adverbs^x, Numbers^x

Owing to the fact that there are so few inflections in English, the few inflected forms that there are are used in a number of ways. An ing- form, for example, can be 1. a present participle: a walking man 2. a noun: the beginning as easy 3. an adjective: I was willing to learn it 4. a...

1) Derivation often changes the word's lexical category, but not always: great (adjective) => great+ly => greatly (adverb) dog (noun) => dog + house => doghouse (noun) 2) Inflection doesn't change the word's lexical category. It adds meaning: number, person, tense: Number: dog (singular...