old,older ,the oldest
difficult, more difficult, the most difficult
large, larger, the largest
happy, happier, the happiest
far,further (farther), the furthest( farthest)
hot,hotter, the hottest
heavy, heavier, the heaviest
bad, worse, the worst
careful, more careful, the most careful
important, more important, the most important
good, better, the best
expensive, more expensive, the most expensive
clean, cleaner, the cleanest
young, younger, the youngest
safe,safer,the safest
high,higher,the highest
popular, more popular, the most popular
elegant, more elegant, the most elegant
cheap, cheaper, the cheapest
2. The post is delivered every day.
3.Seeds are eaten by birds.
4. Three houses were destroyed by storm in the neighborhood.
5. The school was built in 1956.
6.Is dinner cooked every night by her?
7. Were the dishes washed by Nicky?
8.Johny's bag wasn't stolen by Ben.
9.The missing painting was found by them.
10.The dog is taken for a walk every day.