Rule reminder
Master checklist: (1) Choose the right cleft type for context; (2) Check essere agreement with the focused element; (3) Use 'che' as connector (not quando/dove/perché); (4) Retain prepositions with their noun; (5) No resumptive pronoun in cleft.
Which sentence uses a cleft to focus EXACTLY what the English sentence focuses: 'It is with patience that one learns a language'?