be vs live on

be and live on both are verbs.

Word	Noun	Adjective	Verb	Adverb
be	No	No	Yes	No
live on	No	No	Yes	No

be (verb)	live on (verb)
spend or use time	continue to live and avoid dying
work in a specific place, with a specific subject, or in a specific function
have an existence, be extant
have life, be alive
form or compose
have the quality of being; (copula, used with an adjective or a predicate noun)
occupy a certain position or area; be somewhere
be identical to; be someone or something
be identical or equivalent to
represent, as of a character on stage
be priced at
to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form