| Domanda   | Risposta   | 
        
        |  inizia ad imparare registered at hotels under their real name  |  |   Who/that are registered at hotels under their real name  |  |  | 
|  inizia ad imparare trying to take their pictures  |  |   Who/that are trying to take their pictures  |  |  | 
| inizia ad imparare |  |   Who/that are taking selfies  |  |  | 
| inizia ad imparare |  |   which/that involve wordplay  |  |  | 
|  inizia ad imparare married in 2000 but divorced five years later  |  |   who were/got married in 2000 but were/got divorced five years later  |  |  | 
| inizia ad imparare |  |   which/that was used by George Clooney.  |  |  | 
|  inizia ad imparare Which two verb forms can a participle clause begin with?  |  |   present participle (-ing form) or past participle  |  |  | 
|  inizia ad imparare Names which involve wordplay are common / Names involving wordplay are common  |  |   Names involving wordplay are common  |  |  | 
|  inizia ad imparare The people who worked in the hotel thought the name was funny. / The people working in the hotel thought the name was funny.  |  |   The people working in the hotel thought the name was funny.  |  |  | 
|  inizia ad imparare the hotel, which was built in the 1980s and which is often used by film stars, is famous. / The hotel, built in the 1980s and regularly used by film stars, is famous.  |  |   The hotel, built in the 1980s and regularly used by film stars, is famous.  |  |  | 
|  inizia ad imparare When a relative clause has an active verb in the present simple or past simple,  |  |   the participle clause uses a present participle.  |  |  | 
|  inizia ad imparare When a relative clause has a passive verb in the present simple or past simple,  |  |   the participle clause uses a past participle.  |  |  | 
|   Try to improve this sentence by using a participle clause. I couldn't concentarte on the concert because there were so many people who took photos.   inizia ad imparare Using participle clauses can improve the level of your writing and speaking. |  |   I couldn't concentrate on the concert because so many people were taking photos.  |  |  | 
|  inizia ad imparare People who take photos should ask their subjects' permission first.  |  |   People taking photos should ask their subjects' permission first.  |  |  | 
|  inizia ad imparare Films that are based on books are disappointing.  |  |   Films based on books are disappointing.  |  |  | 
|  inizia ad imparare It's great to see rock stars in their sixties who still play concerts.  |  |   It's great to see rock stars in their sixties still playing concerts.  |  |  | 
|  inizia ad imparare Architecture which was designed in the 1960s is generally quite ugly and ought to be pulled down.  |  |   Architecture designed in the 1960s is generally quite ugly and ought to be pulled down.  |  |  | 
|  inizia ad imparare Photos of people who are posing for the camera don't work as well as spontaneous pictures.  |  |   Photos of people posing for the camera don't work as well as spontaneous pictures.  |  |  | 
|  inizia ad imparare Film and TV stars who appear at the theatre attract huge audiences.  |  |   Film and TV stars appearing at the theatre attract huge audiences.  |  |  | 
|  inizia ad imparare Jokes which involve racial stereotypes are not funny.  |  |   Jokes involving racial stereotypes are not funny.  |  |  | 
|  inizia ad imparare Photographers who used software to enhance their photos were justifiably banned from entering a national competition last month.  |  |   Photographers using software to enhance their photos were justifiably banned from entering a national competition last month.  |  |  |