were generally literate不加ed???

某书有这样一段话
Because thanks to these schools,our early mechanics,especially in the new England and middle Atlantc states,were generally literate and at home......
其中were generally literate 的literate为啥不加ed呢？？？该不该加呢？？？

generally是什么意思 generally的音标是什么? generally usually 区别 general speaking还是generally speaking Generally speaking, 这句话啥意思啊 Having finishing the desigh, he generally ___ were是什么意思？ 1.Charles Babbage is generally considered ___ the first computer. TA devices that are shipping today (mid-year 2003) generally SATA devices that are shipping today (mid-year 2003) generally