sack -> увольнять
Образование времен (Действует субъект! - Актив т.е. действительный залог):
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Simple - Факт
I/he/she/it/we/you/they
sacked
did sack
----
did not sack
didn't sack
I/we/you/theyhe/she/it
sacksacks
do sackdoes sack
----
do not sackdoes not sack
don't sackdoesn't sack
I/he/she/it/we/you/they
will sack
 
----
will not sack
won't sack
Continous - процесс
I/he/she/itwe/you/they
was sackingwere sacking
----
was not sackingwere not sacking
Ihe/she/itwe/you/they
am sackingis sackingare sacking
----
am not sackingis not sackingare not sacking
  isn't sackingaren't sacking
I/he/she/it/we/you/they
will be sack
----
will not be sack
won't be sack
Perfect - Завершенность
I/he/she/it/we/you/they
had sacked
----
had not sacked
hadn't sacked
I/we/you/theyhe/she/it
have sackedhas sacked
----
have not sackedhas not sacked
haven't sackedhasn't sacked
I/he/she/it/we/you/they
will be sacked
----
will not be sacked
won't be sacked
Perfect Continous - Процесс в периоде
I/he/she/it/we/you/they
had been sacking
I/we/you/theyhe/she/it
have been sackinghas been sacking
I/he/she/it/we/you/they
will have been sacking
sack -> увольнять