I could dissolve you could dissolve he could dissolve we could dissolve you could dissolve they could dissolve
V-ing form
I could be dissolving you could be dissolving he could be dissolving we could be dissolving you could be dissolving they could be dissolving
Perfect
I could have dissolved you could have dissolved he could have dissolved we could have dissolved you could have dissolved they could have dissolved
V-ing perfect
I could have been dissolving you could have been dissolving he could have been dissolving we could have been dissolving you could have been dissolving they could have been dissolving
Negation
Simple form
I could not dissolve you could not dissolve he could not dissolve we could not dissolve you could not dissolve they could not dissolve
V-ing form
I could not be dissolving you could not be dissolving he could not be dissolving we could not be dissolving you could not be dissolving they could not be dissolving
Perfect
I could not have dissolved you could not have dissolved he could not have dissolved we could not have dissolved you could not have dissolved they could not have dissolved
V-ing perfect
I could not have been dissolving you could not have been dissolving he could not have been dissolving we could not have been dissolving you could not have been dissolving they could not have been dissolving
Interrogative form
Simple form
could I dissolve? could you dissolve? could he dissolve? could we dissolve? could you dissolve? could they dissolve?
V-ing form
could I be dissolving? could you be dissolving? could he be dissolving? could we be dissolving? could you be dissolving? could they be dissolving?
Perfect
could I have dissolved? could you have dissolved? could he have dissolved? could we have dissolved? could you have dissolved? could they have dissolved?
V-ing perfect
could I have been dissolving? could you have been dissolving? could he have been dissolving? could we have been dissolving? could you have been dissolving? could they have been dissolving?
Interro-negative form
Simple form
could I not dissolve? could you not dissolve? could he not dissolve? could we not dissolve? could you not dissolve? could they not dissolve?
V-ing form
could I not be dissolving? could you not be dissolving? could he not be dissolving? could we not be dissolving? could you not be dissolving? could they not be dissolving?
Perfect
could I not have dissolved? could you not have dissolved? could he not have dissolved? could we not have dissolved? could you not have dissolved? could they not have dissolved?
V-ing perfect
could I not have been dissolving? could you not have been dissolving? could he not have been dissolving? could we not have been dissolving? could you not have been dissolving? could they not have been dissolving?