What are the different types of infinitive clauses? Explain each type with examples.

Infinitive clauses are dependent clauses that are formed using the base form of a verb, known as the infinitive. There are several types of infinitive clauses, each serving a different purpose in a sentence. Let's explore each type with examples:

1. Purpose Infinitive Clauses:
These clauses express the purpose or intention behind an action. They are introduced by the word "to" and answer the question "Why?". Examples:
- She went to the store to buy some groceries.
- He studied hard to pass the exam.

2. Result Infinitive Clauses:
These clauses indicate the result or consequence of an action. They are introduced by the word "to" and answer the question "What happened?". Examples:
- He worked tirelessly to achieve his goals.
- She saved money to buy a new car.

3. Subject Infinitive Clauses:
These clauses function as the subject of a sentence. They are introduced by the word "to" and are followed by a verb. Examples:
- To travel is my dream.
- To learn a new language requires dedication.

4. Object Infinitive Clauses:
These clauses function as the direct object of a verb. They are introduced by the word "to" and are followed by a verb. Examples:
- She wants to visit Paris.
- He loves to play the guitar.

5. Subject Complement Infinitive Clauses:
These clauses serve as the complement of a subject, providing additional information about the subject. They are introduced by the word "to" and are followed by a verb. Examples:
- Her dream is to become a doctor.
- His goal is to win the competition.

6. Adjective Infinitive Clauses:
These clauses modify a noun or pronoun in a sentence. They are introduced by the word "to" and are followed by a verb. Examples:
- She is eager to learn new things.
- The book is difficult to understand.

7. Adverbial Infinitive Clauses:
These clauses function as an adverb, providing information about time, place, manner, or condition. They are introduced by the word "to" and are followed by a verb. Examples:
- He woke up early to catch the train.
- She spoke softly to avoid waking the baby.

In conclusion, infinitive clauses come in various types, each serving a different grammatical function in a sentence. Understanding these types and their usage can greatly enhance one's English grammar skills.