Exercise 1
rewrite these sentences. instead of using 'somebody' or 'they', write a passive sentence (in  present  or  past  perfect).
somebody has cleaned the room. – the room
they have postponed the concert. the
somebody had repaired the computer by the moment they came. the computer
i didn't realise that somebody had recorded our conversation. i didn't realise that
when we got to the stadium, we found that they had cancelled the game. when we got to the stadium, we found that

exercise 2
rewrite the sentences using the structure ‘have something done’.
i washed my car.
i typed the documents.
i cut the grass.
i painted my bedroom.
i repaired the fridge.

In fact, business (b) is important in Second Life because you can buy and
sell almost anything. People (c) pay for things with Linden dollars. You can buy Linden dollars with real US dollars. In September 2006 a (d) lot of money (e) was spent in Second Life ($6.6ml), mostly on designer clothes. Officially there (f) are more than two million residents in Second Life at the moment but many of these residents are not active. People under 18 can't join Second Life because you (g) must be 18. So now a place called Teen Second Life has (h) been created (i) by Linden Lab for young people (j) aged 13 to 17.

The weather was bad. Mark went for a walk with his dog who was presented to him for his birthday. It started raining hard so he came into the small building which looked like a shop. There was only one man in it who said that he was a security guard. He asked Mark why he had such a sour face. Mark answered that his dog was scared of humidity and he didn't know how to go home. The security guard offered to leave the dog in the shop for a while. The boy kindly agreed. Poor Mark was in a trap of a swindler and he never got his dog back.