be

verbs

have the quality of being; (copula, used with an adjective or a predicate noun)
"John is rich"; "This is not a good answer"
be
be identical to; be someone or something
"The president of the company is John Smith"; "This is my house"
be
occupy a certain position or area; be somewhere
"Where is my umbrella?" "The toolshed is in the back"; "What is behind this behavior?"
be
have an existence, be extant
"Is there a God?"
is derived from
happen, occur, take place
"I lost my wallet; this was during the visit to my parents' house"; "There were two hundred people at his funeral"; "There was a lot of noise in the kitchen"
be
be identical or equivalent to
"One dollar equals 1,000 rubles these days!"
form or compose
"This money is my only income"; "The stone wall was the backdrop for the performance"; "These constitute my entire belonging"; "The children made up the chorus"; "This sum represents my entire income for a year"; "These few men comprise his entire army"
work in a specific place, with a specific subject, or in a specific function
"He is a herpetologist"; "She is our resident philosopher"
represent, as of a character on stage
"Derek Jacobi was Hamlet"
spend or use time
"I may be an hour"
be
is a type of (narrower)
require (time or space)
"It took three hours to get to work this morning"; "This event occupied a very short time"
have life, be alive
"Our great leader is no more"; "My grandfather lived until the end of war"
is derived from
to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form
"let her be"
be
is a type of (narrower)
stay the same; remain in a certain state
"The dress remained wet after repeated attempts to dry it"; "rest assured"; "stay alone"; "He remained unmoved by her tears"; "The bad weather continued for another week"
be priced at
"These shoes cost $100"