The village is a very different place from what it was when I was a boy. 主语 系动词 表语 状语 from (what it was) when I was a boy. 宾从(作介词宾语) 时间状语从句 different from的结构, “与.不同” what it was这个宾语从句中缺少表语故用what, 不能用that(在宾语从句中不做成分)
我不太会解释 但是通俗点说 你把句子划分一下 ①The villegd is a very different place / from / ②___it was / ③when I was a boy. ③是时间状语从句 没什么说的 ①可以看做是一个完整的句子 from介词 看②___it was ,it was 什么呢 肯定填that是不通的了 that 后面一般跟...