simple past tense and past participle of work

Designed or executed in a particular manner or to a particular degree. / Processed in a particular way; prepared via labour. / Decorated or embellished; embroidered.

simple past tense and past participle of work on

simple past tense and past participle of work at

Followed by in (or at, etc.) Said of one's workplace (building), or one's department, or one's trade (sphere of business). / Followed by as. Said of one's job title

Labour, occupation, job. / The place where one is employed. / (by extension) One's employer. / (dated) A factory; a works. / Effort expended on a particular task.

The internal mechanism of some device or system. / The parts of a quarry or mine that are being (or has been) worked.

plural of working.

(transitive) To shape, form or improve something. / (transitive) To exercise influence on someone.

(transitive) To make a physical or mental effort to progress some specified task; to endeavor or struggle on an issue or project.