1. to be added to, to be appended
2. to join in (e.g. a group of friends), to participate
3. to increase (e.g. heat), to gain in (e.g. influence), to grow, to gather (speed)
4. to be applied (e.g. heat, pressure), to be exerted
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
