Remember this!
The present tense form of 'warn' is warn or warns. Example: He warns his children about the dangers of playing with fire. (He warns his children about the dangers of playing with fire.)
Definition of “warn”
- to give someone a warning or caution
- to inform someone about a potential danger or problem
Tense sentence structure and examples:
Notes from a Native English Speaker
Here are the general structures of a present and past participle. Remember, some verbs have an irregular form and may not follow this structure: Present Participle: [Verb] -ing Past Participle: [Verb] -ed
| Present Simple | warn |
| Present Continuous | warning |
| Present Perfect | warned |
Example
She warns her colleagues about the deadline.
Example
They warn their customers about the potential side effects.
Example
I am warning you to be careful.
Example
They are warning people about the scam.
Example
She has warned him several times about the consequences.
Example
They have warned the public about the potential dangers.
warn Subject-Verb Agreement
Notes from a Native English Speaker
Subject-verb agreement means that a subject and its verb match. They’re either both plural or both singular. A singular subject takes a singular verb. - Example: The cat is sleeping. A plural subject takes a plural verb. - Example: The cats are sleeping.
| Singular First Person (I) | warn |
| Singular Second Person (You) | warn |
| Singular Third Person (He/She/It) | warns |
| Plural (We/You/They) | warn |
Example
I warn my friends.
Example
You warn your colleagues.
Example
He warns his children.
Example
She warns her students.
Example
It warns the users.
Example
We warn our neighbors.
Example
You warn your customers.
Example
They warn their employees.
