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