Grammatical tenses
past
simple: the action do in the past, for example "did he died"
the action be in progress in the past, for example "he was speaking with the boss"
perfect: the action will be performed in one past moment, for example "he had won"
perfect continuous: the action be performed in the past and finish in one time past, for example "he had been participating"
present
perfect: the action be perform before that of present, for example "he has bought"
continuous: the action be in progress, the termination is "ing" for example "what are you doing?"
simple: the action that you do is in the present,for example "he speak with me"
perfect continuous: the action star in the past and continuous in present, for example "he has been watching tv"
future
simple: the action wiil be in the future, for example "will be go"
continuous: the action will be progres in the future, for example "wiil he be speaking"
perfect: the action finish before of the future,for example "will be have spoken?"
perect continuous: the action finsih in one moment future, for example " will he have been speking"