PRESENT PERFECT ....PRESENT PERFECT CONTINUOUS

Links to exercises for Second Seniors

Present Perfect

http://www.ompersonal.com.ar/omexercise/tiemposverbales/unit13.htm

http://www.ompersonal.com.ar/omexercise/tiemposverbales/unit14.htm

Question Tags

http://www.ompersonal.com.ar/omexercise/preguntas/unit26.htm