prove的过去式和过去分词

In the light of later events the decision was proved right.

从后来发生的事看，这一决定证明是正确的。

Are you just doing this to prove a point?

你这么做就是为证明自己对吗？

The new economic policies could prove suicidal for the party.

新经济政策可能给该党带来灾难性的后果。

The research should prove invaluable in the study of children's language.

这项调查对于儿童语言的.研究将极有价值。

It's an ideal proving ground for the new car.

这里是个理想的新车试验场。