sweep -> мести
Образование времен: Субъект подвергается (Пассив, или иначе страдательный залог)
  Past - ПрошлоеPresent - НастоящееFuture - Будущее
Факт - Simple
I/he/she/itwe/you/they
was sweptwere swept
---
was not sweptwere not swept
wasn't sweptweren't swept
Ihe/she/itwe/you/they
am sweptis sweptare swept
---
am not sweptis not sweptare not swept
 isn't sweptare'nt swept
I/he/she/it/we/you/they
will be swept
---
will not be swept
won't be swept
Процесс - Continuous
I/he/she/itwe/you/they
was being sweptwere being swept
---
was not being sweptwere not being swept
wasn't being sweptweren't being swept
Ihe/she/itwe/you/they
am being sweptis being sweptare being swept
---
am not being sweptis not being sweptare not being swept
 isn't being sweptare'nt being swept
Завершенность - Perfect
I/he/she/it/we/you/they
had been swept
---
had not been swept
hadn't been swept
I/we/you/theyhe/she/it
have swepthas swept
---
have not swepthas not swept
haven't swepthasn't swept
I/he/she/it/we/you/they
will have been swept
---
will not have been swept
won't have been swept
Вместо отсутствующих форм Perfect Continuous употребляются формы Perfect
sweep -> мести