Present Perfect Continuous

              PRESENT PERFECT CONTINUOS

           They, we, you, I hve been verbo-ing.
   He, she, it has been verbo-ing.

• AFIRMATIVE FORM

     Sujeto verbo auxiliar (to have) been verbo-ing.
      Examples:

1.      I have been feelling.
2.      You have been reading.
3.      He has been getting. 

• NEGATIVE FORM

       Sujeto verbo auxiliar (to have not) verbo-ing.
       Examples:

1.         she has not been running.
2.         They have not been smoking.
3.          We have not been doing exercise.

• INTERROGATIVE FORM

        verbo auxiliar have sujeto been verbo-ing.
        Examples:

1.         Have I been losing.
2.         Have you been living in USA.
3.         Has he been heering music.

• Singnal word

1. Recently.
2. lately.
3. Since.
4. For
5. All daylong.
6. All norning.
7. All week.
8. All month.
9. All year.

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VIDEO

• HIPERVINCULOS

1.  http://www.curso-ingles.com/aprender/cursos/nivel-avanzado/verb-tenses-present-perfect/present-perfect-continuous
2. http://www.ef.com.es/recursos-aprender-ingles/gramatica-inglesa/present-perfect-continuous/