lunes, 6 de febrero de 2012

"Present perfect continuous" vs "Present perfect"
  • PRESENT PERFECT CONTINUOUS... this don't says if there action is ended
  •  this is considered to long duration
  • PRESENT PERFECT...this action began in the past and ended now
  • this indicate how many shares have been held in certain time
  • this is a indirectly report on the present

No hay comentarios:

Publicar un comentario