What we used to think ws impossible now does seem possible.

4个回答

  • what we used to think was impossible now seems possible.这句话是what引导的主语从句.what we used to think was impossible在句中做主语,seem为谓语.而was并非多余,we used to think相当于插入语,你可以把它省略.句子就变成了what was impossible now seems possible.你如果去掉was句子就缺成分了不是嘛?主语从句中就没有谓语了,就不通了