Mūtā ōrātiōnem oblīquam ('...') in rēctam ("...") aut rēctam in oblīquam!
Exemplum: Horātius dīxit 'sē ad populum prōvocāre': "Ad populum prōvocō."
1. Hōrātius pater prōclāmāvit 'sē fīliam suam iūre caesam iūdicāre!': " fīliam iūre caesam iūdic!"
2. Mettius Fidēnātibus 'sē ad eōs trānsitūrum esse' prōmīsit: "Ad trāns, Fidēnātēs!"
3. Eques nūntiat rēgī 'abīre Albānōs!': "Ab Albān!"
4. Rēx e 'red in proelium' iubet: "Red in proelium!"
5. Tullus dīxit 'suō iūssū circumdūc Albān exercit': " iussū circumdūc Albān exercit."
6. Post proelium rēx dīxit 'iniussū Albān subi ad montēs': "Iniussū meō Albānī subiēre ad montēs"
7. Latīnus Trōiānōs interrogāvit 'unde venī et quid quaer?': "Unde ven et quid quaer?"
8. Trōiānī respondērunt 'sē Trōiā ven et novam sēdem quaer': "Trōiā ven et novam sēdem quaer."
9. Rōmulus: 'Iuppiter! Dēm terrōrem Rōmānīs fugamque foedam sist!' Rōmulus Iovem ōrāvit 'ut dēm terrōrem Rōmānīs fugamque foedam sist!'
10. Mulierēs raptae: 'Tē ōrāmus, Rōmule, ut parentēs nostrōs in cīvitātem accipi.' Līvius nārrat 'mulier rapt Rōmulum ōrāv ut parentēs in cīvitātem accip.'