Sometimes I think this house will be knocked down by a passing plane.这句话怎么分出从句是什么从句啊

问题描述:

Sometimes I think this house will be knocked down by a passing plane.这句话怎么分出从句是什么从句啊

这句话好象是新概念第二册一篇课文里的句子.
这是一个宾语从句,I think 后面是由that引导的宾语从句,其中that省略了.