An infinitive is the basic form of a verb that starts with “to”: to eat, to run, to think. It carries no tense or subject, so it simply shows the action itself without telling us who did it or when.
In everyday life, we drop infinitives into sentences almost without noticing. You might say, “I need to call my mom,” or see a sign that reads, “Easy to use.” We also use them for plans and wishes: “She hopes to travel next year,” or “My goal is to save more money.” They feel natural because they let us add purpose or intention without extra words.
Meaning & Usage Examples
Infinitives can act as nouns, adjectives, or adverbs.
• “To read is relaxing.” (noun, subject)
• “I have a book to return.” (adjective, describes book)
• “He left early to beat traffic.” (adverb, explains why he left)
Context / Common Use
Look for “to + verb” after verbs like want, need, plan, decide, promise, and after adjectives like happy, hard, easy, ready. That’s the sweet spot where infinitives pop up in daily English.
What’s the difference between “to eat” and “eating”?
“To eat” is the infinitive—plain action. “Eating” is the -ing form, used for ongoing actions or as a noun: “I like eating” vs. “I like to eat.” Both work, but the nuance is slight.
Can I split an infinitive, like “to boldly go”?
Yes. While some teachers once frowned on it, modern English accepts “to boldly go” as clear and natural. If it sounds right, use it.
Why do we sometimes drop the “to”?
After certain verbs—let, make, help, see, hear—we drop “to”: “Let me help carry those bags.” The meaning stays the same.