How is paper made? Rewrite the following sentences in the passive, 1 they cut down trees. 2 they send the trees to a paper mill. 3 A machine removes the bark from the wood. 4 They chop the wood into small pieces. 5 They cook pieces until they become a pupl. 6 They pour the paper pupl into a container. 7 They pour the pupl onto a large screen. 8 They drain the water from the paper. 9 Finally, they press the paper flat.

1. cheap - cheaper - the cheapest

2. far - farther - the farthest (further - the furthest)

3. hot - hotter - the hottest

4. cheerful - more cheerful - the most cheerful

5. pretty - prettier - the prettiest

6. red - redder - the reddest

7. noisy - noisier - the noisiest

8. terrible - more terrible - the most terrible

9. late - later - the latest (late - latter - the last)

10. bad - worse - the worst

11. difficult - more difficult - the most difficult

12. few - fewer - the fewest

13.old - older - the oldest (old - elder - the eldest)

14. sleepy - sleepier - the sleepiest

15. thin - thinner - the thinnest

1. I will accompany you with pleasure as soon as I finish my report. 2. The performance will be a great success if he plays the leading role. 3. If this time is convenient for you, we will meet tomorrow. 4. We will not complete the work this week in case he gets ill. 5. We will not start till he arrives. 6. Provided he leaves now, he will miss the rush hour. 7. We will not be able to carry out the experiment unless he helps us. 8. You may take my dictionary as long as you give it back on Friday. 9. As soon as he (returns) from the beach, we (will have) dinner. 10. I (will phone) you when she (comes). 11. Providing that he (works) hard, he will finish his work on Thursday. 12. She has two keys in her bag in case she (loses) one. 13. Unless he (comes), we (will not go) to the country. 14. He (will remind) you of your promise in case you (forget) it. 15. As soon as the lake (gets frozen), she (will go skating). 16. When you (turn) on the right, you (will see) an old oak. 17. If she (keeps) her promise, they (will be) rich. 18. Unless you (look) at the picture at some distance, you (will not see) the details. 19. Providing that nothing (happens), I (will return) in two weeks. 20. If the wind (blows) from the west, it (will rain / rains). 21. If you (get) there before me, wait till I (come). 22. Provided all (goes) well, I (will graduate) in June. 23. He (will not go) for a walk until he (does) his lessons. 24. He (will not catch) the train unless he (leaves) immediately. 25. We (will not wait) till he (makes up his mind).