enter -> вводить
Образование времен (Действует субъект! - Актив т.е. действительный залог):
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Simple - Факт
I/he/she/it/we/you/they
entered
did enter
----
did not enter
didn't enter
I/we/you/theyhe/she/it
enterenters
do enterdoes enter
----
do not enterdoes not enter
don't enterdoesn't enter
I/he/she/it/we/you/they
will enter
 
----
will not enter
won't enter
Continous - процесс
I/he/she/itwe/you/they
was enteringwere entering
----
was not enteringwere not entering
Ihe/she/itwe/you/they
am enteringis enteringare entering
----
am not enteringis not enteringare not entering
  isn't enteringaren't entering
I/he/she/it/we/you/they
will be enter
----
will not be enter
won't be enter
Perfect - Завершенность
I/he/she/it/we/you/they
had entered
----
had not entered
hadn't entered
I/we/you/theyhe/she/it
have enteredhas entered
----
have not enteredhas not entered
haven't enteredhasn't entered
I/he/she/it/we/you/they
will be entered
----
will not be entered
won't be entered
Perfect Continous - Процесс в периоде
I/he/she/it/we/you/they
had been entering
I/we/you/theyhe/she/it
have been enteringhas been entering
I/he/she/it/we/you/they
will have been entering
enter -> вводить