be 动词的现在分词和过去分词怎样使用?
be 动词的现在分词是being
It being a Sunday, the old men had the day off. 因为是星期天,所以老人都休息。
分词短语做状语
be 动词的过去分词是been
I have been there before. 我以前去过那里。
been 就是完成时中用过去分词形式
It shows a fox being disembowelled by a pack of hounds.
画面中一只狐狸正被一群猎狗撕咬得肠子外流。
A skeleton staff of 20 is being kept on.
留下了20名骨干人员。
She was beautiful when she was little.
她小时候很漂亮。
His hands were too weak to cock his revolver.
他的手没劲儿,扳不动左轮手枪的扳机。