Another additive particle under stress: German additive noch

German noch ('still') is a focus particle which is commonly said to have four readings, a temporal reading, a marginality reading, an additive reading and a comparative reading, cf. (1)-(4). The temporal reading has been investigated in depth focusing on the duality of noch/still and schon/already (cf. Löbner 1989, König 1991, Krifka 2000). The marginality reading is considered as derived from the temporal reading by a shift of scale. Surprisingly, however, there seems to be no proposal on how to interpret the additive and the comparative reading of noch.