题目内容：

英语单选题,
have you ever dream of ____ such a good chance for further education abroad?
a.there is b.there to be
c.there will be d.there being
答案说选d,考察there be 非谓语形式.那么可不可以将there will be such a good ...看作一个从句呢?看作从句应做哪些修改?
如果是非唯,那么there 算什么词呢?做什么成分呢