Present Perfect
Justin Bieber ________ (sing) since 2010
has sung
Gaston Acurio and Javier Won have cooked _____ 20 years
for
Mario Vargas Llosa _______ (write) many books since 2012
has written
Martin Vizcarra has worked ____ 2019 as a Peruvian President.
since
Michael Jordan _____ (play) basketball since 1984.
has played
Maria Reiche has studied the Nasca Lines _____ 40 years.
For