这句英语要是不用标点符号 应该怎么写

问题描述:

这句英语要是不用标点符号 应该怎么写
because simple as the tales were, they would finish with a sudden change at the end, to the reader’s surprise

They would finish with a sudden change at the end to the reader's surprise,because simple as the tales were.
因为有because,所以这是个原因状语从句,中间肯定是要有“,”给隔开的.