To solve the problem, we need to identify whether each underlined phrase in the sentences is an
infinitive or a
prepositional phrase. Let's analyze each sentence step by step:
---
1. Jose sat down at the piano to play his favorite song.
-
Underlined phrase: *to play his favorite song*
-
Analysis: This phrase begins with the infinitive marker "to" and includes a verb ("play") followed by its object ("his favorite song"). It functions as a purpose clause.
-
Conclusion:
Infinitive
---
2. Planning is the key to success.
-
Underlined phrase: *to success*
-
Analysis: This phrase begins with the preposition "to" and includes the noun "success." It functions as an adjectival phrase modifying "key."
-
Conclusion:
Prepositional phrase
---
3. She forgot to look for her lost watch.
-
Underlined phrase: *to look for her lost watch*
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Analysis: This phrase begins with the infinitive marker "to" and includes a verb ("look") followed by its object ("her lost watch"). It functions as the object of the verb "forgot."
-
Conclusion:
Infinitive
---
4. To outline is one way to remember important information.
-
Underlined phrase: *To outline*
-
Analysis: This phrase begins with the infinitive marker "to" and includes the verb "outline." It functions as the subject of the sentence.
-
Conclusion:
Infinitive
---
5. This morning Mom drove a different way to work.
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Underlined phrase: *to work*
-
Analysis: This phrase begins with the preposition "to" and includes the noun "work." It functions as an adverbial phrase indicating the destination.
-
Conclusion:
Prepositional phrase
---
6. The wealthy man gave a million dollars to our school.
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Underlined phrase: *to our school*
-
Analysis: This phrase begins with the preposition "to" and includes the noun phrase "our school." It functions as an adverbial phrase indicating the recipient of the action.
-
Conclusion:
Prepositional phrase
---
7. To plan is something you should do before you write an essay.
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Underlined phrase: *To plan*
-
Analysis: This phrase begins with the infinitive marker "to" and includes the verb "plan." It functions as the subject of the sentence.
-
Conclusion:
Infinitive
---
8. You will feel better when you begin to take the medicine.
-
Underlined phrase: *to take the medicine*
-
Analysis: This phrase begins with the infinitive marker "to" and includes the verb "take" followed by its object ("the medicine"). It functions as the object of the verb "begin."
-
Conclusion:
Infinitive
---
Final Answers:
1.
a. infinitive
2.
b. prepositional phrase
3.
a. infinitive
4.
a. infinitive
5.
b. prepositional phrase
6.
b. prepositional phrase
7.
a. infinitive
8.
a. infinitive
---
Boxed Final Answer:
\[
\boxed{
\begin{array}{ll}
1. & \text{a. infinitive} \\
2. & \text{b. prepositional phrase} \\
3. & \text{a. infinitive} \\
4. & \text{a. infinitive} \\
5. & \text{b. prepositional phrase} \\
6. & \text{b. prepositional phrase} \\
7. & \text{a. infinitive} \\
8. & \text{a. infinitive} \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of infinitive phrase worksheet with answer key.
