English definition of “be”
/bi/ verb (present participle being, past tense was, past participle been)
A1 used to describe someone or something: I’m Maria (= I am Maria). I’m sixteen. He’s German (= He is German). They were sick. Be quiet!
there is/there are A1 used to show that someone or something exists: There are three of us. Is there a bank near here?
A1 used to show where someone or something is: She’s in the kitchen.
it is, it was, etc. › used to give a fact or your opinion about something: It’s a good idea. It’s a big problem.