wished后面从句的时态问题

问题描述:

wished后面从句的时态问题
Because of Typhoon Sea Swallow this november in 2013,some citizens in the coastal city wished they ________ the inland area immediately.
是could move to还是could have moved to?
我想,这里表示“当时还没搬走”所以不需要用have done,但是wish的从句不是一般和主句不一致吗?

"could have done" 表示对过去的假设,表示可以做而没有做;原句如果是 ```wished they could have moved to`````意思就是他们应该迁移,但是没有迁移到内陆地区.那沿海居民被怎么了?好恐怖!而且这样,上句的because ...