分词做后置状语的举例 （注意括号中句子的演变过程)
1)She received an E-mail from her brother,saying that her mother was seriously ill.（她收到她兄弟发来的一份电子邮件，（邮件上)说她母亲病得很厉害。= She received an E-mail from her brother,which（= an E-mail)said that her mother was seriously ill)
2)Serious infection may develop in some patients,resulting in death.（有些病人会发生严重感染，导致死亡。（= Serious infection may develop in some patients,which results in death.)
3)The guests entered the office,accompanied by the manager.（客人在经理陪同下走进办公室。 = The guests entered the office,who were accompanied by the manager.)
