Verb Patterns: Infinitive, Gerund or Base Form?

By Sergio Viula – Grammar Drops
One of the most important (and confusing!) topics in English grammar is verb patterns.
After certain words, which form of the verb should you use?
- Infinitive (to + verb)
- Gerund (-ing form)
- Base form (verb without changes)
Let’s break it down in a simple, practical way.
1. Gerund (-ing): When Do We Use It?
- After Prepositions
If a verb comes after a preposition, it must be in the -ing form.
Examples:
I am good at playing soccer.
I am interested in cooking.
She’s afraid of flying.
Remember:
Preposition + verb = -ing
Not to play. Not play.
Always playing.
When the Verb Is the Subject of the Sentence
In Portuguese, we say:
Nadar é legal.
In English, we say:
- Swimming is nice.
- Cooking is fun.
- Studying takes time.
Here, the -ing form works like a noun. We are talking about the activity itself.
Don’t confuse this with the present continuous:
- I am swimming now. (action happening now)
- Swimming is nice. (the activity in general)
After Verbs of Preference
Some verbs are commonly followed by -ing:
- like
- love
- hate
- enjoy
- dislike
- don’t mind
Examples:
- I enjoy reading.
- She doesn’t mind waiting.
- They love traveling.
2. Infinitive (to + verb): When Do We Use It?
After Certain Verbs
Some verbs are typically followed by to + verb:
- need
- want
- have (to – obligation)
- plan
Examples:
I need to buy some groceries.
I want to buy a new car.
I have to study tonight.
I plan to travel next year.
After Adjectives
When you use an adjective and then add a verb, you usually need the infinitive.
Structure:
It + be + adjective + to + verb
- It’s important to study.
- It’s nice to have friends.
- It’s good to play video games.
3. Base Form: When Do We Use It?
After Modal Verbs
Modal verbs are followed by the base form (no to, no -ing).
- can
- could
- must
- might
- may
- should
Examples:
I can cook.
You must study.
We might go out tonight.
She should rest.
Never say:
I can to cook (wrong)
I must studying (wrong)
Just the base verb: I can cook. I must study.

These are the main patterns you’ll see most often in English.
Are there exceptions? Yes.
Are there more patterns? Of course.
But if you master these three forms and the situations above, you’ll already be much more confident.
Practice
Choose the correct form:
Answers at the bottom of this post.
- I’m good at ______ (cook).
- She wants to ______ (learn) Spanish.
- They can’t ______ (come) today.
- ______ (exercise) is important.
- I enjoy ______ (watch) movies.
Grammar Drops: English can be easier than you think — when you understand the patterns.
See you in the next Grammar Drops video.
(Answers: cooking, learn, come, Exercising, watching)
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