v. 有; 存在; 位于; 在(某处); (在某时或某地)发生
aux. 与过去分词连用构成被动语态; 与现在分词连用构成进行时; 用于反意疑问句
过去式:was第三人称单数:is过去分词:been现在分词:being
Oxford 3000 / Collins.5 / BNC.2 / COCA.2
verb
auxiliary verb
AUXILIARY VERB USES 助动词用法
In spoken English, forms of be are often shortened, for example ‘I am’ is shortened to ‘I'm’ and ‘was not’ is shortened to ‘wasn't’.
在英语口语中,be经常使用缩合形式。如,I am 略作 I'm, was not 略作 wasn't。
OTHER VERB USES 其他动词用法
In spoken English, forms of be are often shortened, for example ‘I am’ is shortened to ‘I'm’ and ‘was not’ is shortened to ‘wasn't’.
在英语口语中,be经常使用缩合形式。如,I am 略作 I'm, was not 略作 wasn't。
be v. 存在
〔辨析〕除了用作连系动词外,还可表示某物存在或某事发生,常用于正式文体。
exist v. 存在;生存
〔辨析〕指真实地发生或存在,也可指在困境中生活,不用进行时。
live v. 活着;生活
〔辨析〕指生存、存活,或者强调以某种方式过活,可用进行时。
v.
the be-all and end-all (of sth)
as/that was
(he, she, etc. has) been and done sth
if it wasn't/weren't for…
leave/let sb/sth be
-to-be