are的过去式英语

Were望采纳

根据你句首的形式应该是Were而不是were。

原形： am is are过去式：was was were

No new SARS cases have been reported in the region.

该区没有新增非典型肺炎病例。

A number of measures were taken to alleviate the problem.

采取了一系列措施缓解这个问题。

The two leaders are battling for control of the government.

两位领导人正在争夺政府控制权。