1. *Walking* down the street, I saw an old friend.
Hint: Usa il participio presente per descrivere un’azione contemporanea (“camminando per strada…”).
2. *Knowing* he was late, he ran all the way.
Hint: Usa il participio presente per esprimere la causa (“sapendo di essere in ritardo…”).
3. *Feeling* tired, she went to bed early.
Hint: Participio presente per la ragione (“sentendosi stanca…”).
4. *Not having* any money, we couldn’t buy tickets.
Hint: Forma negativa con “not having” per indicare assenza di soldi.
5. *Looking* at the sky, I thought it would rain.
Hint: Participio presente per azione contemporanea (“guardando il cielo…”).
6. *Hearing* a noise, he woke up.
Hint: Participio presente (“sentendo un rumore…”).
7. *Wanting* to help, they gave him some advice.
Hint: Participio presente (“volendo aiutare…”).
8. *Living* in London, he knows many good restaurants.
Hint: Participio presente per descrivere la situazione (“vivendo a Londra…”).
9. *Having arrived* late, she missed the beginning of the film.
Hint: Participio presente perfetto (“essendo arrivata in ritardo…”).
10. *Not knowing* what to say, I kept silent.
Hint: Forma negativa di “knowing”, indica incertezza.

1. *Given* more time, I would finish the work.
Hint: Participio passato per una condizione ipotetica (“dato più tempo…”).
2. *Told* by his parents, he didn’t go out.
Hint: Participio passato, azione passiva (“detto dai genitori…”).
3. *Surprised* by the news, she cried.
Hint: Participio passato come reazione (“sorpresa dalle notizie…”).
4. *Built* in 1900, the house is still standing.
Hint: Participio passato come relativa abbreviata (“costruita nel 1900…”).
5. *Left* on the table, the keys were lost.
Hint: Participio passato per informazione aggiuntiva (“lasciate sul tavolo…”).
6. *Excited* about the trip, the children couldn’t sleep.
Hint: Participio passato (“eccitati per il viaggio…”).
7. *Damaged* by the storm, the roof needs repair.
Hint: Participio passato (“danneggiato dalla tempesta…”).
8. *Impressed* by his skills, they offered him the job.
Hint: Participio passato (“impressionati dalle sue capacità…”).
9. *Taken* by surprise, he couldn’t speak.
Hint: Participio passato, azione improvvisa.
10. *Given* the chance, she would travel the world.
Hint: Participio passato (“data la possibilità…”).