1. to work, to labor, to labour
2. to function, to operate, to be effective, to work (i.e. ... works), to come into play
3. to commit (e.g. a crime), to perpetrate, to do, to act, to practise, to practice
4. to be conjugated
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although