There are eight parts of speech. These are noun, pronoun, verb, adverb, adjective, preposition, conjunction and interjection.
eg, This is my computer. (noun)
Mr. J is Jone's father. He is a doctor. (pronoun)
I love you so much. (verb)
I want to speak English fluently. (adverb)
She is an intelligent girl. (adjective)
Your book is over there. (preposition)
I can't come to your party because i am really busy now. (conjunction)
Wow, you're so amazing. (interjection)