是的近义词、同义词

have an existence, be extant; "Is there a God?"

spend or use time; "I may be an hour"

have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer"

have life, be alive; "Our great leader is no more"; "My grandfather lived until the end of war"

be identical to; be someone or something; "The president of the company is John Smith"; "This is my house"

be identical or equivalent to; "One dollar equals 1,000 rubles these days!"

represent, as of a character on stage; "Derek Jacobi was Hamlet"