Eight parts of speech :
1. nouns ( teacher , Robert , cat )
2. pronouns ( he , they , we )
3. adjectives ( smart , cute , black )
4 .verbs ( be , feel , talk )
5. adverbs ( clearly , well , happily )
6.preposition (in, on ,at )
7. conjunctions ( and , so , but )
8. interjections ( oh , ouch , oops )