Collocations with "work on"

the general activity of researching and writing a thesis

To be employed or to labor on a plantation.

To be in the process of creating or writing a biography.

To be in the process of creating a sequel.

To proceed with an activity believing that an assumption is true.

to do labor at a farm

to spend time and effort trying to improve physical condition

To be in the process of writing or compiling one's autobiography.

to actively try to get a suntan, for example by sunbathing

to spend time and effort producing a translation

To have the job of operating the switchboard.

to spend time trying to get or improve a tan