Noun : Kritika, Dubai, Book, success etc...
Pronoun : It, they , he, she ,us etc...
Verb : is, were, was, looking, walk etc....
Adjective : happy, sad, small, big etc...
Adverb : loudly, often, quickly, very , slowly etc....
Preposition : for, into, since, above , of etc....
Conjunction : so, before, after, and, even though etc....
Interjection : aha! aw! hey! wow! ahem! etc...