Erected in 1824,this gothic building of store and steel was stacked six floors high on a foundation of granite.这里还原一下stack building six floors high,six floors high是宾补吗?six floors作为名词修饰形容词high?
...去分词+that从句:It's reported that...(据报道……)It is+形容词+that从句:It is clear that...(显然……)It is+名词短语+that从句:It is a pity that...(可惜的是……)It+不及物动词+that从句:It seems that...似乎……其他结构:It occur...