never
It describes negative situations when the action, state or occurrence doesn't happen or exist.
I have never traveled to Mexico.
This Spanish sentence uses the word 'nunca' (never) to express that the person has not had the experience of traveling to Mexico ever before.
I never eat spicy food.
The phrase uses 'nunca' to emphasize that the speaker abstains from eating spicy food, not just once, but constantly.
I have not seen the movie yet, I never have time.
This sentence uses 'nunca' to express a continuous situation, where the speaker never seems to have the time to watch a movie.
Never forget where you come from.
This is an exhortation using 'nunca' - instructing to not ever forget one's roots or origin.
You should not tell anyone, you never know who might listen.
The phrase uses 'nunca' to suggest an unpredictable situation where anyone might listen to the gossip.
It's never too late to learn.
This is a motivational phrase which uses 'nunca' to indicate there's no timing constraints in learning new things.
I've never been able to understand this concept.
This sentence uses 'nunca' to show that from past to present, the speaker hasn't understood a particular concept.
I hope this never happens to you.
This phrase uses 'nunca' to express a wish for the listener to avoid a certain situation.
Never trust a stranger.
In this sentence, 'nunca' is used to give advice not to trust unfamiliar people.
She lives here but I hardly ever see her.
This sentence uses 'nunca' to show a frequency which is infrequent or 'almost never'.