test的过去式

test的过去分词和过去式：tested

v.测验;考查;试验;检查;化验;检验;测试

例句：

The software has been tested for viruses.

这个软件已经过是否有病毒的测试。

The treatment has been tested on healthy fertile women under the age of 35.

这个疗法已对35岁以下能生育的健康妇女进行了试验。

The water is regularly tested for purity.

水的纯度定期受到检测。

All donated blood is tested for HIV and other infections.

对所有捐献的血都要进行艾滋病病毒和其他传染病病毒检测。

Every product is exhaustively tested before being sold.

每件产品销售前都经过全面检验。