Se usa con preguntas con how long y since y for. Ejemplos: How long have you been living here? I have been living here since I have been living in this flat for 2 years.
Ejemplo: It has been raining for 2 hours. Lleva dos horas lloviendo. Ejemplo: I have been doing my homework. He estado haciendo mis deberes. Se usa el present perfect simple para decir que algo esta acabado.
Ejemplos: I have written a letter. He escrito una carta. He estado escribiendo una carta. Se usa el present perfect continuo para decir cuanto tiempo ha durado la actividad. Ejemplo: I have been writing this letter for an hour. Llevo una hora escribiendo esta carta. Se usa el present perfect simple para decir cuantas cosas hemos hecho o cuantas veces hemos hecho algo. Ejemplo: I have read 3 chapters of this book.
Haven't they ever been to Europe? Haven't you ever eaten Chinese food? Nobody has ever said that to me before. Nothing like this has ever happened to us. It's the first time that I've ever eaten snails. This is the first time I've ever been to England.
I haven't never been to Italy. I have never been to Italy. I've already drunk three coffees this morning. Don't write to John, I've already done it. Suele colocarse al final de la frase. Have you met Judy yet? I haven't visited the Tate Gallery yet Has he arrived yet? They haven't eaten yet.
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