Firstly I learned the "FANBOYS" methods who helped me memorize in a better way the parts of speech.
Noun – names a person, place, or thing
Example: Customer-
Pronoun – replaces a noun
Example: He -
Verb – shows action or state of being
Example: Help -
Adjective – describes a noun
Example: Polite -
Adverb – describes a verb, adjective, or another adverb
Example: Calmly -
Preposition – shows relationship between words
Example: With -
Conjunction – connects words or sentences (FANBOYS)
Example: And -
Interjection – expresses emotion
Example: Wow!