1. to lead, to take the lead (in doing something)
2. to precede, to go before, to take precedence
3. to die before (esp. one's spouse, parents, etc.)
4. to be a prerequisite
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
