go on后面加什么词性

例句：

The police don't have much to go on.

警方没多少依据。

Can I have a go on your new bike?

我能骑骑你的新自行车吗？

We can't go on like this ─ something's got to give.

我们不能继续这样了——得作一些改变。

Take out accident insurance before you go on your trip.

去旅行前要办理好意外保险。

Go on ─ read it to us.

念吧——念给我们听听。