Ex. 6. change the sentences into interrogative and negative: изменение предложений в вопросительные и отрицательные 1. there are some fruit trees in front of my house. 2. i live in a new district. 3. we can go out for a walk now. 4. you must switch off the tape-recorder. 5. the walls of our kitchen are whitewashed. 6. my friend lives in his own house. 7. we often receive guests in the sitting room.