There were so few students registered that the class was cancelled.

After the war, there were many things destroyed to rebuild up in the country. 

请问老师：这两个there be句型中，第一个句子是单个过去分词registered作后置定语，第二个句中是单个过去分词destroyed和不定式to rebuild up分别作后置定语，这样分析对吗？