downstage, downstairs, and downstream. Phonology Harold Palmer noted in 1924, that when a preposition is the last element in a clause or intonation group, it is in its "strong form" or stressed and when it comes before, it is in its "weak form" or unstressed. For example, I'm from Toronto is unstressed as , while Where are you from is stressed as or . This observation is originally due to Henry M. Sweet. References Prepositions