it's fairly common in Africa for there to be a group of expert musicians surrounded by others本句中for there to be 做什么句子成分啊
问题描述：
it's fairly common in Africa for there to be a group of expert musicians surrounded by others本句中for there to be 做什么句子成分啊
答
for 连接主句和从句
there to be 从句的there be句型