It's me again! We're working on infinitives today, and I want to make sure I'm doing this right. Can someone check my answers for me? Thanks!

Question

"Identify the infinitive in each of the following sentences. Then identify the use of the infinitive by writing above it N for noun, ADJ for adjective, or ADV for adverb."

1. John's refusal to participate surprised us. -- to participate, ADV

2. Chen and I went to the library to study. -- to study, ADV

3. To travel in space is Sonia's ambition. -- to travel, N

4. The Sorensons were the first guests to arrive. -- to arrive, ADJ

5. My sister likes to swim. -- to swim, N

6. Every one of my friends is willing to help. -- to help, ADV

7. A fascinating city to visit is San Antonio. -- to visit, ADJ

8. Dr. Simmons, our family's physician, has decided to retire. -- to retire, ADV

9. At first, the witness appeared reluctant to testify. -- to testify, ADJ

10. In your opinion, what is the easiest word-processing program to use? -- to use, ADV

I only used the first ten exercises out of twenty. Thanks so much for helping me out! I'll probably be back here tonight to post more grammar questions. Good thing it's only once a week!

Answer 1

Welcome back, Emily.

1. "to participate" must be an adjective because it modifies the noun, "refusal."
2. Correct
3. Correct
4. Correct
5. Correct
6. "to retire" is used as the direct object of "is willing." Therefore, it's a noun.
7. Correct
8. Since "to retire" follows the verb and answers WHAT, it must be a noun used as the direct object of the verb.
9. Correct
10. Correct

Answer 2

Um,I hate to bother you again, but I don't think there's a "to retire"in the sentence. Thanks for helping me, though!

Answer 3

This is what you originally posted:

8. Dr. Simmons, our family's physician, has decided to retire. -- to retire, ADV

Answer 4

Sorry--I was talking about #6

Answer 5

Glad I've fnially found something I agree with!