Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could simmered you could simmered he could simmered we could simmered you could simmered they could simmered
V-ing form
I could be simmereding you could be simmereding he could be simmereding we could be simmereding you could be simmereding they could be simmereding
Perfect
I could have simmereded you could have simmereded he could have simmereded we could have simmereded you could have simmereded they could have simmereded
V-ing perfect
I could have been simmereding you could have been simmereding he could have been simmereding we could have been simmereding you could have been simmereding they could have been simmereding
Negation
Simple form
I could not simmered you could not simmered he could not simmered we could not simmered you could not simmered they could not simmered
V-ing form
I could not be simmereding you could not be simmereding he could not be simmereding we could not be simmereding you could not be simmereding they could not be simmereding
Perfect
I could not have simmereded you could not have simmereded he could not have simmereded we could not have simmereded you could not have simmereded they could not have simmereded
V-ing perfect
I could not have been simmereding you could not have been simmereding he could not have been simmereding we could not have been simmereding you could not have been simmereding they could not have been simmereding
Interrogative form
Simple form
could I simmered? could you simmered? could he simmered? could we simmered? could you simmered? could they simmered?
V-ing form
could I be simmereding? could you be simmereding? could he be simmereding? could we be simmereding? could you be simmereding? could they be simmereding?
Perfect
could I have simmereded? could you have simmereded? could he have simmereded? could we have simmereded? could you have simmereded? could they have simmereded?
V-ing perfect
could I have been simmereding? could you have been simmereding? could he have been simmereding? could we have been simmereding? could you have been simmereding? could they have been simmereding?
Interro-negative form
Simple form
could I not simmered? could you not simmered? could he not simmered? could we not simmered? could you not simmered? could they not simmered?
V-ing form
could I not be simmereding? could you not be simmereding? could he not be simmereding? could we not be simmereding? could you not be simmereding? could they not be simmereding?
Perfect
could I not have simmereded? could you not have simmereded? could he not have simmereded? could we not have simmereded? could you not have simmereded? could they not have simmereded?
V-ing perfect
could I not have been simmereding? could you not have been simmereding? could he not have been simmereding? could we not have been simmereding? could you not have been simmereding? could they not have been simmereding?