Use as noun (as subject and as CD)

Some examples of how to use the infinitive as a noun (both as a subject and as a complement of the verb):

• Subject

To swim is my favorite activity.

The only thing I want to do is sleep. Her dream is to become a doctor.

• Complement of the verb

I decided to go for a walk. I asked her to help me with the dishes. They made us clean our rooms.

Use of the inifinitivo as a verbal complement in English.

An infinitive can be used as a verbal complement in English. A verbal complement is a verb that follows another verb and completes its meaning. In English, there are three types of verbal complements: infinitives, gerunds, and participles.

Infinitive complements can be used with a variety of verbs, including:

An infinitive complement is a verb that follows another verb and is preceded by the word "to". For example:

Verbs of intention such as "decide", "intend", and "want".

Verbs of ability such as "be able", "can", and "may".

I decided to go for a walk.

I asked her to help me with the dishes.

They made us clean our rooms.

In these sentences, the infinitives "to go for a walk","to help me with the dishes", and "to clean our rooms" are verbal complements.

Verbs of permission such as "allow", "permit", and "let".

Verbs of request such as "ask", "beg", and "demand".

Verbs of order such as "command", "direct", and "instruct".

They complete the meaning of the verbs "decided", "asked", and "made".

I hope this helps! Let me know if you have any other questions.