伴随 I stood there, waiting for her. (= ..., and waited for her.)我站在那儿等她 原因 Being tired , I stopped to take a rest. (= Because I was tired, ....)因为疲倦，我停下来休息。 结果 It rained heavily, causing severe flooding in the area.(= It rained heavily so that it caused severe flooding in the area.)在这个地方雨下的如此大，以至引发了洪灾。

2) -ing形式的完成式

3）. 使用-ing形式需注意的几个问题: