[header] How to explain parts of speech [title] Start with the basic parts of speech. [step] Before you can explain to others what the parts of speech are, it is good to brush up on them yourself. Knowing the parts of speech can help clarify grammar lessons, increase understanding from students, and improve your own writing. 
It is best to start with the four basic parts of speech. These are the nouns, verbs, adjectives, and adverbs.