be的现在式第三人称

[计] 加下标次序, 信息系统, 国际标准, 中间系统

v have the quality of being; (copula, used with an adjective or a predicate noun)

v be identical to; be someone or something

v occupy a certain position or area; be somewhere

v have an existence, be extant

v happen, occur, take place; this was during the visit to my parents' house"

v be identical or equivalent to

v form or compose

v work in a specific place, with a specific subject, or in a specific function

v represent, as of a character on stage

v spend or use time

v have life, be alive

v to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form

v be priced at