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English definition of “be”

be

verb (RELATIONSHIP)   /bi/ (present tense am  /æm/ , are  /ɑr/ or is  /ɪz/, present participle being  /ˈbi·ɪŋ/, past tense was  /wʌz/ or were  /wɜr/, past participle been  /bɪn/)
used to connect two things or a thing with something that it has as a quality or condition: [L] It is cold today. [L] My name is Andy. [L] She is a doctor. [L] How old are you? [L] These books are (= cost) $12.99 each. [L] Please be patient. Be is also used to show the position of a person or thing in space or time: [I always + adv/prep] The food was on the table. [I always + adv/prep] Tony is in trouble again.
(Definition of be verb (RELATIONSHIP) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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