work on后面加什么介词

work后可加多种介词。如work for(somebody)为(某人)工作，work at(somewhere)在某地工作，work around clock日以继夜地工作；work with(somebody)与某人工作；work on a project做课题从事一个项目。

例句

He is still at work on the painting.

他仍在忙着画那幅画。

We began work on the project in May.

我们于五月份启动了这项工程。

From now on you can work on your own.

从现在起你可以独自工作。

We are expected to work on Saturdays.

我们星期六要上班。