Basic Infinitives
What Is It?
Basic Infinitives refers to the base form of a verb with to, used after many verbs and adjectives.
A1-A2 reference topic in Non-finite Verb Forms.
Why Use It?
- Talk about purpose: I study to improve.
- Add a second action after common verbs such as want, need, and like.
- Keep the second verb unchanged.
Formation and Patterns
| Use | Pattern | Example |
|---|---|---|
| Purpose | to + base verb | I use flashcards to remember words. |
| After verb | want/need/hope + to + V | She wants to practise speaking. |
| After adjective | be + adjective + to + V | It is easy to start. |
Common Mistakes
- Using -ing after want: say "want to learn," not "want learning."
- Adding tense to the infinitive: say "to go," not "to went."
- Using to after modal verbs: say "can go," not "can to go."
Exceptions & Nuances
- Negative infinitives place not before to: not to forget.