提供的过去式和过去分词

　　Our main concern is to provide quality customer service.

　　我们最关心的是为顾客提供优质服务。

　　The report provides a framework for further research.

　　报告提供了进一步研究的原则。

　　We are here to provide the public with a service.

　　我们来这里是为公众服务。