English verb conjugation
COULD SIMMER

Regular verb: simmer - simmered - simmered

Affirmation

Simple form	V-ing form
I could simmer you could simmer she could simmer we could simmer you could simmer they could simmer	I could be simmering you could be simmering she could be simmering we could be simmering you could be simmering they could be simmering
Perfect	V-ing perfect
I could have simmered you could have simmered she could have simmered we could have simmered you could have simmered they could have simmered	I could have been simmering you could have been simmering she could have been simmering we could have been simmering you could have been simmering they could have been simmering

Negation

Simple form	V-ing form
I could not simmer you could not simmer she could not simmer we could not simmer you could not simmer they could not simmer	I could not be simmering you could not be simmering she could not be simmering we could not be simmering you could not be simmering they could not be simmering
Perfect	V-ing perfect
I could not have simmered you could not have simmered she could not have simmered we could not have simmered you could not have simmered they could not have simmered	I could not have been simmering you could not have been simmering she could not have been simmering we could not have been simmering you could not have been simmering they could not have been simmering

Interrogative form

Simple form	V-ing form
could I simmer? could you simmer? could she simmer? could we simmer? could you simmer? could they simmer?	could I be simmering? could you be simmering? could she be simmering? could we be simmering? could you be simmering? could they be simmering?
Perfect	V-ing perfect
could I have simmered? could you have simmered? could she have simmered? could we have simmered? could you have simmered? could they have simmered?	could I have been simmering? could you have been simmering? could she have been simmering? could we have been simmering? could you have been simmering? could they have been simmering?

Interro-negative form

Simple form	V-ing form
could I not simmer? could you not simmer? could she not simmer? could we not simmer? could you not simmer? could they not simmer?	could I not be simmering? could you not be simmering? could she not be simmering? could we not be simmering? could you not be simmering? could they not be simmering?
Perfect	V-ing perfect
could I not have simmered? could you not have simmered? could she not have simmered? could we not have simmered? could you not have simmered? could they not have simmered?	could I not have been simmering? could you not have been simmering? could she not have been simmering? could we not have been simmering? could you not have been simmering? could they not have been simmering?