Uncertain about how to fix them,she stopped to think carefully.一句中为何不能在句首加上Being,请说出具体原因,最好再帮我分析一下这个句子的各个成分,答：谁说不能呢?这句中的的uncertain是形容词.与about.构成... Uncertain about how to fix them,she stopped to think carefully.一句中为何不能在句首加上Being,请说出具体原因,最好再帮我分析一下这个句子的各个成分,答：谁说不能呢?这句中的的uncertain是形容词.与about.构成...