Parts of Speech Discussion

In unit 1,  I learn 

Noun - Name of person, place 

Pronoun - he,she,it,they

Verb - walk,eat, drink 

Adverb - Quickly, slowly 

Adjective - smart, beautiful,rich,poor

Conjunction - and, but,if, when 

Interjection - Oh , Wow, Ouch,Hey

Preposition -In ,on