Factor worker had to work very hard before,so had farmers.这句话中为什么_英语解答

Factor worker had to work very hard before,so had farmers.这句话中为什么so错

人气：317 ℃　时间：2019-08-21 11:25:05

解答

so 没有出错
前面 had to 表示不得不(过去)
所以后面表示“也一样”
应该写 so did farmers 而不是那过去完成时的 had