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It was so complicated that I couldn't understand it.

It was not so complicated that I couldn't understand it.

In the first sentence, the specified result, which is the fact that I couldn't understand it, happend.
In the second sentence, the specified result, which is the fact that I couldn't understand it, didin't happen because that clause indicates the extent of complication.

Right?

Thanks
LiJ

(Now, It's midnight. I won't be able to reply before the next morning, sorry.)
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Your analysis sounds right on to me.
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If I understood what you said, then yes.

In the second one, it was complicated, but you were still able to understand it.
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Thank you for your astonishingly quick answers, Avangi and GG.Emotion: smileEmotion: smileEmotion: smile
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