来自拉丁语posse,使能够，使可能，词源同potent.-ss,过去分词格。

1. He programmed his computer to compare all the possible combinations.

他给他的计算机编制了一套程序，以比较所有可能的组合。

2. They agreed to work co-operatively to ease tensions wherever possible.

他们同意互相配合尽一切努力缓解紧张局势。

3. It was imperative that he act as naturally as possible.

最重要的是他要做到尽可能自然。

4. It's been a beautiful evening and you have made it all possible.

那是个美好的夜晚，你让一切成为可能。

5. It is not possible to reposition the carpet without damaging it.

想要挪动地毯又不让它损坏是不可能的。