be 动词结构

be at home = stay at home 在家

be in trouble 有麻烦

be careful of 小心……

be late for 因……迟到

be free 空闲的，有空

be busy doing/with sth 忙于……

be covered with 被……复盖

be ready for 为……作好准备

be surprised (at) 对……感到惊讶

be interested in 对……感到举

be excited about 激动于

be angry with 愤怒于

be mad at 疯狂于

be friendly to 友好地去

be pleased with 很高兴做

be satisfied with 对……很满意

be famous for 因……而著名

be famous as 作为……而著名

be strict with 对……严格

be strict in 在……方面严格

be afraid of 害怕……

be afraid to do 害怕去做……

be glad to do 很高兴去做……

be good for 对……有好处

be bad for 对……有害处

be good at = do well in 擅长

be able to do 能去做……