Rule reminder

Group 2 continuative periphrases: 'stare + gerundio' (snapshot now), 'andare + gerundio' (gradual trend), 'continuare a + infinitive' (keep doing). Key errors: using 'andare + gerundio' for present-moment actions, using 'continuare di' instead of 'continuare a', using 'stare + gerundio' with stative verbs.