Comparative and superlative adjective practice worksheet for grammar exercises.

Task Overview:

The task requires rewriting each sentence by adding the appropriate ending to the adjective to make it either comparative (using `-er` ending) or superlative (using `-est` ending). The comparative form is used when comparing two things, while the superlative form is used when ranking three or more things.

Solution:

Below is the solution with explanations for each sentence:

---

#### 1. He was [taller] than his brother.
- Original: He was tall.
- Explanation: Comparing him to his brother (two people), so use the comparative form `-er`.

#### 2. Our car is [faster] than mine.
- Original: Our car is fast.
- Explanation: Comparing our car to mine (two cars), so use the comparative form `-er`.

#### 3. Her lunch is [better] than mine.
- Original: Her lunch is good.
- Explanation: Comparing her lunch to mine (two lunches), so use the comparative form `-er`.

#### 4. Jennifer is [prettier] than Mike.
- Original: Jennifer is pretty.
- Explanation: Comparing Jennifer to Mike (two people), so use the comparative form `-er`.

#### 5. Our dog is [friendlier] on our street.
- Original: Our dog is friendly.
- Explanation: Comparing our dog to others on the street (more than two dogs), so use the comparative form `-er`.

#### 6. The sun is [brighter] than the moon.
- Original: The sun is bright.
- Explanation: Comparing the sun to the moon (two objects), so use the comparative form `-er`.

#### 7. Bob has the [biggest] feet in the classroom.
- Original: Bob has big feet.
- Explanation: Ranking Bob's feet among all students in the classroom (three or more people), so use the superlative form `-est`.

#### 8. Elizabeth is [sillier] than Elena.
- Original: Elizabeth is silly.
- Explanation: Comparing Elizabeth to Elena (two people), so use the comparative form `-er`.

#### 9. The kitchen is [cleaner] than the bathroom.
- Original: The kitchen is clean.
- Explanation: Comparing the kitchen to the bathroom (two rooms), so use the comparative form `-er`.

#### 10. The science lab is [bigger] than the library.
- Original: The science lab is big.
- Explanation: Comparing the science lab to the library (two places), so use the comparative form `-er`.

#### 11. The kitten is [cuter] than the puppy.
- Original: The kitten is cute.
- Explanation: Comparing the kitten to the puppy (two animals), so use the comparative form `-er`.

#### 12. Old teachers are [nicer] than new teachers.
- Original: Old teachers are nice.
- Explanation: Comparing old teachers to new teachers (two groups), so use the comparative form `-er`.

#### 13. Oranges are [juicier] than grapefruits.
- Original: Oranges are juicy.
- Explanation: Comparing oranges to grapefruits (two types of fruit), so use the comparative form `-er`.

#### 14. Jill is the [smallest] of the three girls.
- Original: Jill is small.
- Explanation: Ranking Jill among three girls (three or more people), so use the superlative form `-est`.

#### 15. Using a printer is [faster] than writing by hand.
- Original: Using a printer is fast.
- Explanation: Comparing using a printer to writing by hand (two methods), so use the comparative form `-er`.

#### 16. Black is the [darkest] of all the colors.
- Original: Black is dark.
- Explanation: Ranking black among all colors (three or more colors), so use the superlative form `-est`.

#### 17. Heidi’s hair is [curlier] than Victoria’s hair.
- Original: Heidi’s hair is curly.
- Explanation: Comparing Heidi’s hair to Victoria’s hair (two people), so use the comparative form `-er`.

#### 18. Chili peppers are [spicier] than bell peppers.
- Original: Chili peppers are spicy.
- Explanation: Comparing chili peppers to bell peppers (two types of peppers), so use the comparative form `-er`.

#### 19. Metals are [shinier] than non-metals.
- Original: Metals are shiny.
- Explanation: Comparing metals to non-metals (two groups), so use the comparative form `-er`.

#### 20. My glass is [fuller] than my brother’s glass.
- Original: My glass is full.
- Explanation: Comparing your glass to your brother’s glass (two glasses), so use the comparative form `-er`.

#### 21. The tuba is the [largest] brass instrument.
- Original: The tuba is large.
- Explanation: Ranking the tuba among all brass instruments (three or more instruments), so use the superlative form `-est`.

#### 22. Ballet is [difficult] than tap dancing.
- Original: Ballet is difficult.
- Explanation: Comparing ballet to tap dancing (two forms of dance), so use the comparative form `-er`.

#### 23. The trumpet is the [smallest] brass instrument.
- Original: The trumpet is small.
- Explanation: Ranking the trumpet among all brass instruments (three or more instruments), so use the superlative form `-est`.

#### 24. Veronica is the [best] dancer in the show.
- Original: Veronica is good.
- Explanation: Ranking Veronica among all dancers in the show (three or more people), so use the superlative form `-est`.

#### 25. Tiffany is [shorter] than Jessica.
- Original: Tiffany is short.
- Explanation: Comparing Tiffany to Jessica (two people), so use the comparative form `-er`.

#### 26. Gwen’s handwriting is the [worst] of all.
- Original: Gwen’s handwriting is bad.
- Explanation: Ranking Gwen’s handwriting among all (three or more people), so use the superlative form `-est`.

#### 27. Terri’s hair is [curlier] than Chelsea’s hair.
- Original: Terri’s hair is curly.
- Explanation: Comparing Terri’s hair to Chelsea’s hair (two people), so use the comparative form `-er`.

#### 28. This movie is the [longest] one I have ever seen.
- Original: This movie is long.
- Explanation: Ranking this movie among all movies you’ve seen (three or more movies), so use the superlative form `-est`.

#### 29. This painting is [colorful] than that one.
- Original: This painting is colorful.
- Explanation: Comparing this painting to that one (two paintings), so use the comparative form `-er`.

#### 30. Sharks have [sharper] teeth than rabbits.
- Original: Sharks have sharp teeth.
- Explanation: Comparing sharks’ teeth to rabbits’ teeth (two groups), so use the comparative form `-er`.

#### 31. Classes are [easier] than tests.
- Original: Classes are easy.
- Explanation: Comparing classes to tests (two things), so use the comparative form `-er`.

#### 32. The first comedian was the [funniest] of all.
- Original: The first comedian was funny.
- Explanation: Ranking the first comedian among all comedians (three or more people), so use the superlative form `-est`.

---

Final Answer:

\boxed{
\begin{array}{l}
1. \text{He was } \mathbf{taller} \text{ than his brother.} \\
2. \text{Our car is } \mathbf{faster} \text{ than mine.} \\
3. \text{Her lunch is } \mathbf{better} \text{ than mine.} \\
4. \text{Jennifer is } \mathbf{prettier} \text{ than Mike.} \\
5. \text{Our dog is } \mathbf{friendlier} \text{ on our street.} \\
6. \text{The sun is } \mathbf{brighter} \text{ than the moon.} \\
7. \text{Bob has the } \mathbf{biggest} \text{ feet in the classroom.} \\
8. \text{Elizabeth is } \mathbf{sillier} \text{ than Elena.} \\
9. \text{The kitchen is } \mathbf{cleaner} \text{ than the bathroom.} \\
10. \text{The science lab is } \mathbf{bigger} \text{ than the library.} \\
11. \text{The kitten is } \mathbf{cuter} \text{ than the puppy.} \\
12. \text{Old teachers are } \mathbf{nicer} \text{ than new teachers.} \\
13. \text{Oranges are } \mathbf{juicier} \text{ than grapefruits.} \\
14. \text{Jill is the } \mathbf{smallest} \text{ of the three girls.} \\
15. \text{Using a printer is } \mathbf{faster} \text{ than writing by hand.} \\
16. \text{Black is the } \mathbf{darkest} \text{ of all the colors.} \\
17. \text{Heidi’s hair is } \mathbf{curlier} \text{ than Victoria’s hair.} \\
18. \text{Chili peppers are } \mathbf{spicier} \text{ than bell peppers.} \\
19. \text{Metals are } \mathbf{shinier} \text{ than non-metals.} \\
20. \text{My glass is } \mathbf{fuller} \text{ than my brother’s glass.} \\
21. \text{The tuba is the } \mathbf{largest} \text{ brass instrument.} \\
22. \text{Ballet is } \mathbf{difficult} \text{ than tap dancing.} \\
23. \text{The trumpet is the } \mathbf{smallest} \text{ brass instrument.} \\
24. \text{Veronica is the } \mathbf{best} \text{ dancer in the show.} \\
25. \text{Tiffany is } \mathbf{shorter} \text{ than Jessica.} \\
26. \text{Gwen’s handwriting is the } \mathbf{worst} \text{ of all.} \\
27. \text{Terri’s hair is } \mathbf{curlier} \text{ than Chelsea’s hair.} \\
28. \text{This movie is the } \mathbf{longest} \text{ one I have ever seen.} \\
29. \text{This painting is } \mathbf{colorful} \text{ than that one.} \\
30. \text{Sharks have } \mathbf{sharper} \text{ teeth than rabbits.} \\
31. \text{Classes are } \mathbf{easier} \text{ than tests.} \\
32. \text{The first comedian was the } \mathbf{funniest} \text{ of all.}
\end{array}
}