TY - VIDEO 
AU - Lozano, Sergio
A4 - Averanga, Alfredo Jose
A4 - Suárez González, Juanita
A4 - Osorio Sánchez, Marcela
A4 - Corredor Plazas, Nelson Javier
A4 - Durán Bautista, Diana Carolina
A4 - Parra Pérez, Diana Angélica
PY - 2018
UR - http://hdl.handle.net/10818/33360
AB - By the end of this lesson the student will be able to use present perfect in order to indicate a link between the present and the past.
LA - eng
PB - Universidad de La Sabana
KW - Present perfect
KW - Grammar
KW - Past situations
TI - Present Perfect
ER -