Present Perfect Continuous
por sandra vazquez

1. El "present perfect continuous" está compuesto por dos elementos: el "present perfect" del verbo 'to be' (have/has been) y el "present participle" del verbo principal (raíz+ing).
2. Afirmativa
2.1. She has been She's been running.
3. Negativa
3.1. She hasn't been running.
4. Interrogativa
4.1. Has she been running?
5. Estructura Afrimativa
5.1. Sujeto+have / has been+verbo (-ing)
5.1.1. I have been listening to music all day.
5.1.2. She/ He has been listening ti music all day.
5.1.3. We/You/They have been listening ti music all day.
6. Estructura Negativa
6.1. Sujeto+ haven´t/hasn´+been+verbo(ing)
6.1.1. I haven´t been working here long.
6.1.2. She/he hasn´t been working here long.
6.1.3. We/you/they haven´t been working here long.
7. Estructura Interrogativa
7.1. Have/has+ sujeto+been+verbo(ing)
7.1.1. Have i been studying enough for the exam?
7.1.2. Has she/he been studying enough for the exam?
7.1.3. Have you/they/we been studying enough for the exam?