decide -> решать
Образование времен (Действует субъект! - Актив т.е. действительный залог):
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Simple - Факт
I/he/she/it/we/you/they
decided
did decide
----
did not decide
did'nt decide
I/we/you/theyhe/she/it
decidedecides
do decidedoes decide
----
do not decidedoes not decide
do'nt decidedoes'nt decide
I/he/she/it/we/you/they
will decide
 
----
will not decide
won't decide
Continous - процесс
I/he/she/itwe/you/they
was decidingwere deciding
----
was not decidingwere not deciding
Ihe/she/itwe/you/they
am decidingis decidingare deciding
----
am not decidingis not decidingare not deciding
 is'nt decidingare'nt deciding
I/he/she/it/we/you/they
will be decide
----
will not be decide
won't decide
Perfect - Завершенность
I/he/she/it/we/you/they
had decided
----
had not decided
had'nt decided
I/we/you/theyhe/she/it
have decidedhas decided
----
have not decidedhas not decided
haven't decidedhasn't decided
I/he/she/it/we/you/they
will be decided
----
will not be decided
won't be decided
Perfect Continous - Процесс в периоде
I/he/she/it/we/you/they
had been deciding
I/we/you/theyhe/she/it
have been decidinghas been deciding
I/he/she/it/we/you/they
will have been deciding
decide -> решать