不定式短语是什么意思 ?英语中什么叫不定式 ?

Introduction

When learning English, you may have come across the term "infinitive phrase". In this article, we will explore what an infinitive phrase is and how it is used in the English language.

What is an Infinitive Phrase?

An infinitive phrase is a group of words that includes an infinitive (a verb in its base form, usually preceded by "to") and any accompanying words, phrases, or clauses. Infinitive phrases can function as nouns, adjectives, or adverbs in a sentence.

1. Infinitive Phrases as Nouns

Infinitive phrases can function as nouns in a sentence, serving as the subject, direct object, subject complement, or object of a preposition.

Examples:

  • To swim in the ocean is my favorite summer activity. (subject)
  • I want to learn Spanish. (direct object)
  • My goal is to become a doctor. (subject complement)
  • I am excited about traveling to Europe. (object of preposition)

2. Infinitive Phrases as Adjectives

Infinitive phrases can also function as adjectives in a sentence, modifying a noun or pronoun.

Examples:

  • The book to read is on the shelf. (modifying "book")
  • The man to see is my boss. (modifying "man")

3. Infinitive Phrases as Adverbs

Infinitive phrases can also function as adverbs in a sentence, modifying a verb, adjective, or adverb.

Examples:

  • I woke up early to go for a run. (modifying "woke up")
  • The movie was too scary to watch. (modifying "scary")
  • She speaks English well to be a non-native speaker. (modifying "well")

Conclusion

Infinitive phrases are a versatile and important part of the English language. By understanding how they function as nouns, adjectives, and adverbs, you can improve your writing and communication skills.

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