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 Parts of speech
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   :local:

Noun
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Nouns express things and concepts.

Pronoun
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A pronoun is a word that often replaces a noun phrase, other pronouns, or other
words functioning as a noun in a sentence.

Adjective
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Adjectives describe a noun or a pronoun.

Preposition
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Preposition refers to words that specify location, time relation.

Verb
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Verbs express action.

Adverb
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An adverb tweaks the meaning of verbs, adjectives, other adverbs, and sometimes
full clauses.

  https://en.wikipedia.org/wiki/Adverb
    Wikipedia article.

Determiners
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Determiners are used as modifiers of a noun phrase or words that occur before a
noun.

Conjunction
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Conjunctions join words, phrases or clauses within a sentence.

Interjection
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Interjections express emotion and sounds.