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