Perfect Tenses Worksheet for Grammar Practice

Problem Explanation:

The worksheet focuses on using perfect tenses to complete sentences. Perfect tenses are formed using a form of the verb "have" or "had" followed by the past participle of the main verb. The three types of perfect tenses are:

1. Present Perfect: Indicates an action that started in the past and has relevance to the present.
- Formula: *have/has + past participle*
2. Past Perfect: Indicates an action that was completed before another past action.
- Formula: *had + past participle*
3. Future Perfect: Indicates an action that will be completed before another future action.
- Formula: *will have + past participle*

The task is to replace the given verbs with their corresponding perfect tense forms while maintaining the same tense as the original sentence.

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Solution:

#### 1. Don asked a question.
- Original verb: asked (past tense)
- Perfect tense: had asked (past perfect)
- Answer: Don had asked a question.

#### 2. The puppy spills his water.
- Original verb: spills (present tense)
- Perfect tense: has spilled (present perfect)
- Answer: The puppy has spilled his water.

#### 3. The girls will wear shoes.
- Original verb: will wear (future tense)
- Perfect tense: will have worn (future perfect)
- Answer: The girls will have worn shoes.

#### 4. My neighbor works at night.
- Original verb: works (present tense)
- Perfect tense: has worked (present perfect)
- Answer: My neighbor has worked at night.

#### 5. Vegetables are healthy.
- Original verb: are (present tense, linking verb)
- Perfect tense: have been (present perfect)
- Answer: Vegetables have been healthy.

#### 6. We went to the party.
- Original verb: went (past tense)
- Perfect tense: had gone (past perfect)
- Answer: We had gone to the party.

#### 7. He completed every task.
- Original verb: completed (past tense)
- Perfect tense: had completed (past perfect)
- Answer: He had completed every task.

#### 8. Julie plays the cello.
- Original verb: plays (present tense)
- Perfect tense: has played (present perfect)
- Answer: Julie has played the cello.

#### 9. The boys shared the cupcake.
- Original verb: shared (past tense)
- Perfect tense: had shared (past perfect)
- Answer: The boys had shared the cupcake.

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Final Answers:

1. Don had asked a question.
2. The puppy has spilled his water.
3. The girls will have worn shoes.
4. My neighbor has worked at night.
5. Vegetables have been healthy.
6. We had gone to the party.
7. He had completed every task.
8. Julie has played the cello.
9. The boys had shared the cupcake.

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Boxed Final Answer:

\[
\boxed{
\begin{aligned}
1. & \text{Don had asked a question.} \\
2. & \text{The puppy has spilled his water.} \\
3. & \text{The girls will have worn shoes.} \\
4. & \text{My neighbor has worked at night.} \\
5. & \text{Vegetables have been healthy.} \\
6. & \text{We had gone to the party.} \\
7. & \text{He had completed every task.} \\
8. & \text{Julie has played the cello.} \\
9. & \text{The boys had shared the cupcake.}
\end{aligned}
}
\]