<Li> Ablative of description or of quality is an ablative modified by an adjective or genitive that expresses a quality that something has: vir summā virtūte "a gentleman of highest virtue". </Li> <P> Some meanings of the ablative descend from the Proto - Indo - European locative case . </P> <Ul> <Li> Ablative of place where marks a location where an action occurred . It usually appears with a preposition, such as in, but not always; e.g., hōc locō "in this place" </Li> <Li> Ablative of time when and within which marks the time when or within which an action occurred . E.g., aestāte, "in summer"; eō tempore, "at that time"; paucīs hōrīs id faciet, "within a few hours he will do it ." Compare with the accusative of time, which was used for duration of time and--in classical Latin, following Greek--for dates of the form ante diem N. Kal. / Non. / Id . (In early Latin, such dates were given in the ablative instead .) </Li> <Li> Ablative absolute describes the circumstances surrounding an action; e.g., urbe captā, cīvēs fūgērunt, "with the city having been captured, the citizens fled ." </Li> </Ul> <Li> Ablative of place where marks a location where an action occurred . It usually appears with a preposition, such as in, but not always; e.g., hōc locō "in this place" </Li>

When is the ablative case used in latin