[文法] Come to Ving??

[Melissa (我要當Segunda Lo)]

我想請教版上的強者，以下這段話，為什麼come to 後面是加Ving呢?

是強調時間點嗎?

When she came to an American military base pleading for help, U.S. officials
had to figure out how to save her life without enraging the local community.

原文出於此：


http://www.npr.org/2012/05/01/151768550/facing-death-afghan-girl-runs-to-u-s-military


先謝謝大家了

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