帮忙看个句子语法对不对?

问题描述:

帮忙看个句子语法对不对?
there is the very living standard and level which drops significantly
生活水平下降,very用来表整个句子的强调

这个句子应该是一个主从复合句,前面的是主句there is the very living standard and level,而which引导的是定语从句,which代替整个主句,充当主语.