建国文献和语法分析

林肯第二届就职演讲里最难的一句话：

If we shallsuppose  that American slavery is one ofthose offenses which, in the providence of God, must needs come, but which, having continuedthrough  His appointed time,He  now wills to remove, and that He givesto both North and  South this terrible war as thewoe due to those by whom the offense  came,shall we discern thereinany  departure from those divine attributes which thebelievers  in a living God always ascribe to Him?

我觉得，如果不用语法分析，根本就没法讲清楚了。分析了语法结构，立刻变得很简单了。

并且，这个句子要求用最通俗易懂的英文（in plainEnglish）改述（paraphrase），每一个细微点都要顾到，这样才能真正成为孩子们理解的句子。实际上俺现在所有的难句子都要求他们改述。