English grammar worksheet focusing on reflexive pronouns and "each other" usage.

Task Overview:

The task requires filling in the blanks with either a reflexive pronoun or each other, depending on the context of each sentence. Reflexive pronouns are used when the subject and object of a sentence are the same, while "each other" is used to indicate mutual action between two or more people.

Reflexive Pronouns:

- Myself
- Yourself
- Himself
- Herself
- Itself
- Ourselves
- Themselves

"Each Other":

Used to show mutual action or relationship between two or more people.

Solution:

#### Example:
- Sentence: My friend Matthew and I always send _______ postcards when we are on vacation.
- Answer: My friend Matthew and I always send each other postcards when we are on vacation.

#### Exercise 1:
1. They repaired their computer _______.
- Answer: They repaired their computer themselves.
- Explanation: The subject "they" performed the action (repairing) on themselves, so a reflexive pronoun is needed.

2. Why does Emma always think only about _______? She is so selfish.
- Answer: Why does Emma always think only about herself?
- Explanation: Emma is thinking about herself, so the reflexive pronoun "herself" is appropriate.

3. We had a huge fight yesterday. We don't talk to _______.
- Answer: We had a huge fight yesterday. We don't talk to each other.
- Explanation: The mutual relationship between the speakers is indicated by "each other."

4. Little Michael can ride a bike _______.
- Answer: Little Michael can ride a bike himself.
- Explanation: Michael is performing the action (riding a bike) by himself, so "himself" is the correct reflexive pronoun.

5. The teams are playing hard against _______.
- Answer: The teams are playing hard against each other.
- Explanation: The teams are competing with one another, so "each other" is appropriate.

6. Kelly bought _______ a new skirt.
- Answer: Kelly bought herself a new skirt.
- Explanation: Kelly is buying something for herself, so the reflexive pronoun "herself" is used.

7. Andy and Liam always write letters to _______.
- Answer: Andy and Liam always write letters to each other.
- Explanation: The mutual action of writing letters between Andy and Liam is indicated by "each other."

8. We know _______ for a long time.
- Answer: We know each other for a long time.
- Explanation: The mutual relationship between the speakers is indicated by "each other."

9. People give _______ presents during the holidays.
- Answer: People give each other presents during the holidays.
- Explanation: The mutual exchange of presents among people is indicated by "each other."

10. I can't carry these heavy bags _______. Can you help me?
- Answer: I can't carry these heavy bags myself. Can you help me?
- Explanation: The speaker is unable to perform the action (carrying the bags) alone, so the reflexive pronoun "myself" is used.

Final Answers:

1. themselves
2. herself
3. each other
4. himself
5. each other
6. herself
7. each other
8. each other
9. each other
10. myself

Boxed Final Answer:

\[
\boxed{
\begin{aligned}
1. & \text{themselves} \\
2. & \text{herself} \\
3. & \text{each other} \\
4. & \text{himself} \\
5. & \text{each other} \\
6. & \text{herself} \\
7. & \text{each other} \\
8. & \text{each other} \\
9. & \text{each other} \\
10. & \text{myself} \\
\end{aligned}
}
\]