1. to be based (on), to be founded (on), to be grounded (on), to be in accordance (with)
2. to be due to, to come (from), to arise (from), to originate (in)
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