be动词8种形式

1 不定式；虚拟语气；祈使句：To be or not to be; Let it be; Be prepared.2 第一人称单数现在时态： I am the walrus.3 第二人称单数，所有人称复数现在时态：You,we,they are family.4 第三人称单数现在时态：He, she it is the rock.5 第一、三人称单数过去时态：I,he,she,it was born by the river.6 第二人称单数，所有人称复数过去时态; 虚拟语气：The way we,you,they were; If I were a rich man.7 进行时态和现在分词；动名词：You're being silly; It's not easy being green; Being and nothingness.8 完成时态：I've been a puppet, a pauper a pirate, a poet, a pawn and a king.