Ask & Learn闻问切英语口语:Until now
上期提到有些辞书清楚指明until now只能用于否定句，背后的原因可能跟上期所讲有关。如果说话人用 until now 来显示情况的转变，「直到此刻」是一个情况，「此刻以后」又是另一个，那自然用否定句，以区别于现时的肯定。例如﹕I did not know anything about love until now, but I do now.
然而，即使是情况有所改变，也不一定是一反一正，又或者即使是一反一正，也不见得一定是前反后正。
例如：直至现在我都很喜欢中国菜，但渐渐觉得韩国菜也很不错。I have always liked Chinese food until now, but I am beginning to think Korean food is rather delicious, too.
由此可见，until now 其实也是可以用肯定句型的。
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