Educational worksheet for practicing comparative adjectives in English grammar.

Task: Complete the sentences using the correct form of the comparative adjective and the word "than."

#### Comparative Adjectives Rules:
- For most adjectives, add -er to the end (e.g., small → smaller).
- For adjectives ending in -y, change -y to -ier (e.g., happy → happier).
- For adjectives with two or more syllables, use more before the adjective (e.g., intelligent → more intelligent).

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Solution:

1. A deer is smaller than an elephant.
- "Smaller" is the comparative form of "small."

2. A hippo is more dangerous than a deer.
- "More dangerous" is the comparative form of "dangerous" because it has two syllables.

3. An elephant is bigger than a wild boar.
- "Bigger" is the comparative form of "big."

4. A deer is shyer than a baboon.
- "Shyer" is the comparative form of "shy" because it ends in -y.

5. Hippos are fiercer than rhinos.
- "Fiercer" is the comparative form of "fierce."

6. The African lion is stronger than the Asian lion.
- "Stronger" is the comparative form of "strong."

7. A snow leopard is more interesting than a rabbit.
- "More interesting" is the comparative form of "interesting" because it has two syllables.

8. A parrot is noisier than a flamingo.
- "Noisier" is the comparative form of "noisy" because it ends in -y.

9. The African elephant is heavier than the Asian elephant.
- "Heavier" is the comparative form of "heavy."

10. A hippo is fatter than a zebra.
- "Fatter" is the comparative form of "fat."

11. A giraffe is taller than a flamingo.
- "Taller" is the comparative form of "tall."

12. A dolphin is more intelligent than a tuna.
- "More intelligent" is the comparative form of "intelligent" because it has two syllables.

13. A peacock is more beautiful than an eagle.
- "More beautiful" is the comparative form of "beautiful" because it has two syllables.

14. A panther is faster than a wild boar.
- "Faster" is the comparative form of "fast."

15. A deer is weaker than a buffalo.
- "Weaker" is the comparative form of "weak."

16. A snake is more poisonous than a baboon.
- "More poisonous" is the comparative form of "poisonous" because it has two syllables.

17. An eagle flies higher than a flamingo.
- "Higher" is the comparative form of "high."

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Final Answer:

1. A deer is smaller than an elephant.
2. A hippo is more dangerous than a deer.
3. An elephant is bigger than a wild boar.
4. A deer is shyer than a baboon.
5. Hippos are fiercer than rhinos.
6. The African lion is stronger than the Asian lion.
7. A snow leopard is more interesting than a rabbit.
8. A parrot is noisier than a flamingo.
9. The African elephant is heavier than the Asian elephant.
10. A hippo is fatter than a zebra.
11. A giraffe is taller than a flamingo.
12. A dolphin is more intelligent than a tuna.
13. A peacock is more beautiful than an eagle.
14. A panther is faster than a wild boar.
15. A deer is weaker than a buffalo.
16. A snake is more poisonous than a baboon.
17. An eagle flies higher than a flamingo.

Boxed Final Answer:
\[
\boxed{
\text{1. smaller, 2. more dangerous, 3. bigger, 4. shyer, 5. fiercer, 6. stronger, 7. more interesting, 8. noisier, 9. heavier, 10. fatter, 11. taller, 12. more intelligent, 13. more beautiful, 14. faster, 15. weaker, 16. more poisonous, 17. higher}
}
\]