cough -> кашлять
Образование времен: Субъект подвергается (Пассив, или иначе страдательный залог)
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Факт - Simple
I/he/she/itwe/you/they
was coughedwere coughed
---
was not coughedwere not coughed
wasn't coughedweren't coughed
Ihe/she/itwe/you/they
am coughedis coughedare coughed
---
am not coughedis not coughedare not coughed
 isn't coughedare'nt coughed
I/he/she/it/we/you/they
will be coughed
---
will not be coughed
won't be coughed
Процесс - Continuous
I/he/she/itwe/you/they
was being coughedwere being coughed
---
was not being coughedwere not being coughed
wasn't being coughedweren't being coughed
Ihe/she/itwe/you/they
am being coughedis being coughedare being coughed
---
am not being coughedis not being coughedare not being coughed
 isn't being coughedare'nt being coughed
Завершенность - Perfect
I/he/she/it/we/you/they
had been coughed
---
had not been coughed
hadn't been coughed
I/we/you/theyhe/she/it
have coughedhas coughed
---
have not coughedhas not coughed
haven't coughedhasn't coughed
I/he/she/it/we/you/they
will have been coughed
---
will not have been coughed
won't have been coughed
Вместо отсутствующих форм Perfect Continuous употребляются формы Perfect
cough -> кашлять