标题: 求助：看knewton 语法的时候遇到的几个问题 [打印本页] 作者: hsy93615 时间: 2012-3-5 20:12 标题: 求助：看knewton 语法的时候遇到的几个问题 Which can not refer to abstract idea从句不能指代抽象概念吗？ Taylor broke her leg, which kept her from competing in the race. 我感觉这句话没问题啊？那这句话正确说法是什么样的呢？
Summative modifiers Begin with a or an and a noun that renames or summarizes the gist of the previous clause. Summative modifiers often fix other modifier errors because they don’t need to describe a specific noun. Eg: The researchers hypothesized that the old method is flawed, which is (a proposal that is) likely to cause a great deal of controversy. 为什么只有括号里面的表达可以，高中学的which非限制性定语从句不是可以修饰前面整个句子，这块我记不太清楚了?
Like and unlike must compared with two nouns.?? 连接ing分词的不行吗？我只记得要遵守严格平行？一定只能连接名词吗?