there are some temples built up in 1980为什么不是“are built up“或是“builds up”

there are some temples built up in 1980为什么不是“are built up“或是“builds up”
there are some temples built up in 1980
为什么不是“are built up“或是“builds up”

there are some temples built up in 1980为什么不是“are built up“或是“builds up”
难道不是“are built up”吗?
builds up是主动语态,庙是被建成的,用被动语态,即are built up.

built up是动词

英语中的定语从句的被动结构
如果你要说are built up,可这么讲
there are some temples which they are built up in 1980

前面已经有谓语动词are了，不再需要谓语动词
built up是过去分词做后置定语修饰temples表示一种被动的结构