It is the English grammar

There are eight parts of speech in English: noun pronoun verb adjective adverb preposition conjunction interjection Remember that some words can be many parts of speech, depending on how they are used in the sentence: Ex: "well" "The village dug a well." (noun) "She sings well." (adverb) "Well, I don't know." (interjection) "The bride began to well up with tears before her vows." (verb) And remember also that some words can change forms (for instance, a verb can change into a "verbal", which can act like a noun or adjective, etc.): Ex. "to run" "Cheetahs can run at 60 mph." (verb) "Running hurts my knees." (gerund / noun) "We kept a running total of expenses for the wedding." (adjective)

Hi ,here is a good website that gives a very simple explanation for the 8 parts of speech[ not speach] http://web2.uvcs.uvic.ca/elc/StudyZone/330/grammar/parts.htm

noun pronoun adverb adjective preposition conjunction interjection verb 1 2 3 4 5 6 7 8