Simple past grammar
Classified in Spanish
Written at on 
English with a size of 1.18 KB.
Present Perfect Simple (Yet,recently,lately,how long..?, in recent years,for,never,since,ever,already,just):Have o has + V -ed o -3ºcolum Accion terminada dentro de una unidad temporal no terminada.
Present Perfect Continuous (all night,for a year, since 2002, how long…?, day,week,morning): Have o has+ Been+ ing. Have o has+ suj+been+ing?
Future Perfect Simple (by 3 oclock,in four months, by August,by then,by the end of, by this time next…): Will have + 3ªcolumna. Una acción que estará terminada en el futuro.
Past Perfect Simple (already, by the time, afther, before, until, never, just…): Had + 3ªcolumna. Accion pasada que ocurre antes que otra accion tambien terminada.
Past Perfect Continuous (for hours, since last April, all mornig, when, until, before…): Had + been + V-ing