我们正要离开,天就开始下雨了。

我们正要离开,天就开始下雨了。

We were just about to leave when it started to rain.

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We were just about to leave when it started to rain.

were 是 be 动词的过去式复数形式,表示过去的状态。 just 在这里是副词,意思是"正好""刚好",强调时间上的巧合。 about 在这里是副词,与 to 构成固定搭配,表示"即将""正要"做某事。 to 是不定式符号,与动词原形 leave 构成不定式,表示"离开"的动作。 were just about to 是一个固定搭配,表示"正要做某事",强调动作即将发生但还未发生。

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