Infinitives
What Is It?
Infinitives refers to to + base verb forms used as nouns, complements, modifiers, and purpose clauses.
B1-B2 reference topic in Non-finite Verb Forms.
Why Use It?
- Build verb patterns after decide, hope, expect, and afford.
- Express purpose concisely.
- Modify nouns and adjectives.
Formation and Patterns
| Use | Pattern | Example |
|---|---|---|
| Verb complement | V + to + V | We decided to continue. |
| Purpose | to + V | I paused to check the answer. |
| After adjective/noun | adj/noun + to + V | It is hard to explain. I have work to do. |
Common Mistakes
- Using to after modal verbs.
- Choosing infinitive after verbs that require gerunds.
- Separating long infinitive phrases from what they modify.
Exceptions & Nuances
- Split infinitives are acceptable when they improve clarity: to fully understand.