offer -> предлагать
Образование времен (Действует субъект! - Актив т.е. действительный залог):
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Simple - Факт
I/he/she/it/we/you/they
offered
did offer
----
did not offer
did'nt offer
I/we/you/theyhe/she/it
offeroffers
do offerdoes offer
----
do not offerdoes not offer
do'nt offerdoes'nt offer
I/he/she/it/we/you/they
will offer
 
----
will not offer
won't offer
Continous - процесс
I/he/she/itwe/you/they
was offeringwere offering
----
was not offeringwere not offering
Ihe/she/itwe/you/they
am offeringis offeringare offering
----
am not offeringis not offeringare not offering
 is'nt offeringare'nt offering
I/he/she/it/we/you/they
will be offer
----
will not be offer
won't offer
Perfect - Завершенность
I/he/she/it/we/you/they
had offered
----
had not offered
had'nt offered
I/we/you/theyhe/she/it
have offeredhas offered
----
have not offeredhas not offered
haven't offeredhasn't offered
I/he/she/it/we/you/they
will be offered
----
will not be offered
won't be offered
Perfect Continous - Процесс в периоде
I/he/she/it/we/you/they
had been offering
I/we/you/theyhe/she/it
have been offeringhas been offering
I/he/she/it/we/you/they
will have been offering
offer -> предлагать