1. I *have been studying* for two hours. (forma affermativa, azione iniziata nel passato e continua)
2. She *has been working* here since 2019. (forma affermativa, indicare durata)
3. They *have been playing* football all afternoon. (forma affermativa, azione prolungata)
4. He *has been reading* that book for a week. (forma affermativa, durata)
5. We *have been waiting* for the bus for 30 minutes. (azione iniziata nel passato e ancora in corso)
6. You *have been cooking* dinner since 6 p.m. (durata e azione continua)
7. It *has been raining* all day. (azione prolungata iniziata nel passato)
8. I *have not been sleeping* well lately. (forma negativa, azione non avvenuta)
9. She *has not been feeling* well this week. (forma negativa, durata)
10. They *have not been watching* TV recently. (forma negativa, azione non compiuta)

1. *Have you been studying* for the exam? (domanda, chiedere durata)
2. *Has he been working* on the project all day? (domanda, azione prolungata)
3. *Have they been playing* outside since morning? (domanda, durata)
4. *Has she been reading* that magazine lately? (domanda, azione recente)
5. *Have we been waiting* too long? (domanda, durata dell’attesa)
6. *Have you been cooking* something special? (domanda, azione in corso)
7. *Has it been raining* all night? (domanda, durata precipitazioni)
8. *Have I been talking* too much? (domanda, azione continuativa)
9. *Have they been working* hard this week? (domanda, durata)
10. *Has she not been feeling* well recently? (domanda negativa, durata)