Use the infinitives below to write ten sentence. Label each use of the infinitive a noun, an adjective, or an adverb.

1). to sing
2). to drive
3). to give
4). to walk
5). to tell
6). to contribute
7). to act
8). to be
9). to sleep
10). to dream

These are my answers to the problems above:

1). TO SING is difficult for some people.
2). Nathan allowed me TO DRIVE him.
3.) I offered TO GIVE Lily the remains of supper.
4). To walk the dog is an usual chore.
5). I had TO TELL him of what happened.
6). No matter how impossible it seemed, I still felt like I had TO CONTRIBUTE somehow.
7). I hate how much of our relationship we are forced TO ACT.
8). The Taos were said TO BE the first apartment-house builders.
9). It felt like centuries must pass before I would be able TO SLEEP.
10). One of the greatest things about sleep is the ability TO DREAM.

But the only problem is that I'm not sure on identifying the way in which they're used. Can you help me?

http://grammar.ccc.commnet.edu/grammar/phrases.htm#infinitive

Read and study the first section here, where the uses for infinitive phrases are explained and examples are given. Then give these your best try. We'll check your work.

1). Noun.

2). Adjective.
3). Adverb.
4). Noun.
5). Adjective.
6). Adverb.
7). Noun.
8). Adverb.
9). Noun.
10). Adjective.

Sure! I can help you with identifying how the infinitives are used in each sentence.

1) TO SING is difficult for some people. (In this sentence, "TO SING" is used as a noun, acting as the subject of the sentence.)

2) Nathan allowed me TO DRIVE him. (In this sentence, "TO DRIVE" is used as an adverb, modifying the verb "allowed." It answers the question "What did Nathan allow me to do?")

3) I offered TO GIVE Lily the remains of supper. (In this sentence, "TO GIVE" is used as an adverb, modifying the verb "offered." It answers the question "What did I offer to do for Lily?")

4) To walk the dog is an unusual chore. (In this sentence, "To walk the dog" is used as a noun, acting as the subject of the sentence.)

5) I had TO TELL him of what happened. (In this sentence, "TO TELL" is used as an adverb, modifying the verb "had." It answers the question "What did I have to do?")

6) No matter how impossible it seemed, I still felt like I had TO CONTRIBUTE somehow. (In this sentence, "TO CONTRIBUTE" is used as a noun, acting as the direct object of the verb "felt.")

7) I hate how much of our relationship we are forced TO ACT. (In this sentence, "TO ACT" is used as a noun, acting as the direct object of the verb "forced.")

8) The Taos were said TO BE the first apartment-house builders. (In this sentence, "TO BE" is used as a noun, acting as the complement of the verb "were said.")

9) It felt like centuries must pass before I would be able TO SLEEP. (In this sentence, "TO SLEEP" is used as a noun, acting as the infinitive of purpose.)

10) One of the greatest things about sleep is the ability TO DREAM. (In this sentence, "TO DREAM" is used as a noun, acting as the object of the preposition "ability.")