so that 何时是“为了”, 何时是“以至于”?

so that 既可以引导目的状语,“为了”;又可以引导结果状语,“以至于”。请问如何区分出两者?谢谢!需要例句。

1 so that
引导目的状语从句时,表示“以便;为了”,从句中常使用can /could /may /might /will /would /should等情态动词或助动词;引导结果状语从句时,从句中一般不用can和may等词,在so that前可以用逗号,意思是“因此;所以”。如:The little boy saved every coin so that he could buy his mother a present on Mother's day.
2 so ... that ..
so+形容词或副词+that ...引导结果状语从句。意思是“如此……以致于……”。如:When the football fans saw Beckham, they got so excited that they cried out.
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第1个回答  2012-03-27
so .............that :如此 。。。。。以至于
so that :以便
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