GRAMMAR Answer the questions with the verbs in present perfect rogressive.

Why is Ann so worried? (read / book / global Because she has been reading a book about global warming, Why is Jane so interested in whales? (discuss / problem whaling / in school)

warming)

Why are you so cold? (sit / room / heating / at 15 C) Why is your brother so bored? (listen / a talk / carbon footprints

two hours)

Why do Jim and Kate look scared? (watch/ horror film) Why is Olga so tired? (learn / survive / three days the bush)

1. a) We listened to the girls singing Russian folk songs.

b) We listened to the Russian folk songs sung by the girls.

2. a) The girl washing the floor is my sister.

b)The floor washed by Helen looked very clean.

3. a) Who is that boy doing his homework?

b) The exercise done by the pupils were easy.

4. a) The house surrounded by tall trees is very beautiful.

b) The wall surrounding the house was very high.

5. a) The girl writing is our best pupil.

b) Everything written here is quite right.

6. a) Read the translated sentences one more.

b) The pupils translating a very difficult text are tired.

If it hadn't been raining, we would've go to Cafe.If I had time, I would've learn how to swim.You would get into trouble if you'd piss off the dog while passing by. If your message had not come, check if there's no troubles with connection.If I were you, I wouldn't go to this party.I should have not missed the lecture if I didn't fell into a puddle.If I had seen her yesterday at the party, you would not believe me still.You would not have been angry with us if you knew, how much you mean to us.I should have been disappointed if you haven't told me, that he were making a gift for me.If you had worked harder, you'd probably would've be the best student.