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me gustaria de tener ejemplos de uso de "yet" sempre lo veo mas no tengo idea de como lo usas

Yet is used both as an adverb and a conjunction.

As an adverb it has 3 more or less similar uses, 2 of them relating to time:

"yet = by now/then"
I haven´t learned it yet - meaning: I still haven´t learned it.
Another way of saying the same thing, using: I have yet to learn it.

"yet = already/so soon"
Don´t go yet - don´t go so soon, wait a bit

"yet = even"
Words, words and yet more words to learn
Yet another word to learn.

As a conjunction:

"yet = still / nevertheless"
I practice English everyday, yet I don´t improve.
Spanish is a difficult language, yet I keep improving all the time.