How to Use "adverb" with Example Sentences

1. An adverb is added to describe how she sleeps .
2. Grammars 21 -- adjective and adverb .
3. Ought I use a different adjective and a different adverb in that sentence ?
4. He does not know an adjective from adverb .
5. Mark liberman , a linguistics professor at the university of pennsylvania , provided a list of words that most commonly follow the adverb " severely " ; the top five , in frequency of use , are disabled , depressed , ill , limited and injured .