the team can agree to certain issues being taken `off line`不

严格地说,你的句子应该是the team can agree to certain issues‘ being taken off line.
在这里 being taken off line是动名词结构,修饰certain issues,做它的定语.原理就像：certain boys' bikes -------- 形容词 + 名词.
再问： 能改成which is taken off line 麽??
再答： 能，which ARE taken off line