Students determine if 'can' expresses ability, permission, willingness, or possibility in these 12 sentences.

Problem Overview:

The task is to determine whether the helping verb "can" in each sentence is being used to express ability, possibility, permission, or willingness. The worksheet provides a hint that "can" can be used for these purposes.

Solution Approach:

1. Ability: Refers to someone's skill or capacity to do something.
2. Possibility: Indicates that something might happen or be true.
3. Permission: Refers to being allowed to do something.
4. Willingness: Indicates a person's readiness or desire to do something.

We will analyze each sentence and categorize the use of "can" accordingly.

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Sentence Analysis:

#### 1. He can do a handstand.
- Analysis: This sentence describes a physical skill or ability.
- Category: Ability

#### 2. Can you do the dishes for me?
- Analysis: This sentence asks if someone is willing to do the dishes.
- Category: Willingness

#### 3. Can I go to my friend’s house to play video games?
- Analysis: This sentence seeks permission to go to a friend's house.
- Category: Permission

#### 4. For dinner, we can have pizza or tacos.
- Analysis: This sentence suggests a choice or possibility for dinner.
- Category: Possibility

#### 5. The boss can let you have a day off.
- Analysis: This sentence indicates a possibility that the boss might grant a day off.
- Category: Possibility

#### 6. Can we please have a longer recess?
- Analysis: This sentence expresses a request for permission or willingness.
- Category: Willingness

#### 7. I can hold my breath for ten seconds.
- Analysis: This sentence describes a personal ability to hold one's breath.
- Category: Ability

#### 8. A turtle can live for a very long time.
- Analysis: This sentence states a general fact about turtles' lifespan, indicating their capability.
- Category: Ability

#### 9. Can you please pass the salt?
- Analysis: This sentence requests someone's willingness to pass the salt.
- Category: Willingness

#### 10. My dad can drive really well.
- Analysis: This sentence describes an ability related to driving.
- Category: Ability

#### 11. School can close if it snows a lot.
- Analysis: This sentence suggests a possible outcome (closing school) based on weather conditions.
- Category: Possibility

#### 12. We can wear our pajamas to school on spirit days.
- Analysis: This sentence indicates permission to wear pajamas on specific days.
- Category: Permission

---

Final Answer:

Here is the categorized list:

1. Ability
2. Willingness
3. Permission
4. Possibility
5. Possibility
6. Willingness
7. Ability
8. Ability
9. Willingness
10. Ability
11. Possibility
12. Permission

Boxed Answer:
\[
\boxed{
\begin{array}{ll}
1. & \text{Ability} \\
2. & \text{Willingness} \\
3. & \text{Permission} \\
4. & \text{Possibility} \\
5. & \text{Possibility} \\
6. & \text{Willingness} \\
7. & \text{Ability} \\
8. & \text{Ability} \\
9. & \text{Willingness} \\
10. & \text{Ability} \\
11. & \text{Possibility} \\
12. & \text{Permission} \\
\end{array}
}
\]