form -> формировать
Образование времен (Действует субъект! - Актив т.е. действительный залог):
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Simple - Факт
I/he/she/it/we/you/they
formed
did form
----
did not form
did'nt form
I/we/you/theyhe/she/it
formforms
do formdoes form
----
do not formdoes not form
do'nt formdoes'nt form
I/he/she/it/we/you/they
will form
 
----
will not form
won't form
Continous - процесс
I/he/she/itwe/you/they
was formingwere forming
----
was not formingwere not forming
Ihe/she/itwe/you/they
am formingis formingare forming
----
am not formingis not formingare not forming
 is'nt formingare'nt forming
I/he/she/it/we/you/they
will be form
----
will not be form
won't form
Perfect - Завершенность
I/he/she/it/we/you/they
had formed
----
had not formed
had'nt formed
I/we/you/theyhe/she/it
have formedhas formed
----
have not formedhas not formed
haven't formedhasn't formed
I/he/she/it/we/you/they
will be formed
----
will not be formed
won't be formed
Perfect Continous - Процесс в периоде
I/he/she/it/we/you/they
had been forming
I/we/you/theyhe/she/it
have been forminghas been forming
I/he/she/it/we/you/they
will have been forming
form -> формировать