1) be +现在分词,构成进行时态,例如: They are having a meeting. 他们正在开会。 English is becoming more and more important. 英语现在越来越重要。 2) be broken;adj.坏掉的,患病的,被制服的,断掉的;vbl.break的过去分词;参考例句:He is mending a broken cup.他在修补破杯子。 Something was broken in my engine.我的发动机里有个东西损坏了。