drop的单三形式和过去式

drop的单三形式drops，过去式dropped

例句

1.

The quality of the food here has dropped a notch recently.

这里的饭菜质量最近下降了一级。

2.

It was stated that standards at the hospital were dropping.

据称，那家医院的医疗水准在不断下降。

3.

Applications for unemployment benefits dropped last month.

上个月申请失业津贴的人数下降了。