Infinitive clauses are groups of words containing an infinitive verb form (to + base form of the verb) and its accompanying words. These clauses can function as nouns, adjectives, or adverbs in a sentence, depending on their role in the sentence structure.
As Nouns:
1. Subject of the Sentence:
To learn a new language requires dedication and practice.
2. Object of the Verb:
She wants to travel to Europe next summer.
As Adjectives:
1. Modifier of Nouns:
This is the best book to read before starting your journey.
2. Modifier of Pronouns:
It is important for us to understand the instructions clearly.
As Adverbs:
1. Modifier of Verbs:
She worked hard to finish the project on time.
2. Modifier of Adjectives or Adverbs:
The weather was too cold to go outside.