functioning in an NP
- spatial container: some water in the glass.
- temporal container: exercising in the morning.
- the state something is in: a girl in love.
- the group someone belongs to: a member in the committee.
functioning in a VP
- spatial background: he studied in the room.
- temporal background: Einstein provided empirical evidence for the atomic theory in 1905.
- manner: he answered in English.
- cause: she stepped back in surprise.
functioning as the complement of an AdjP
- domain: the country is rich in natural resources | he was weak in math.