I can revolve you can revolve she can revolve we can revolve you can revolve they can revolve
V-ing form
I can be revolving you can be revolving she can be revolving we can be revolving you can be revolving they can be revolving
Perfect
I can have revolved you can have revolved she can have revolved we can have revolved you can have revolved they can have revolved
V-ing perfect
I can have been revolving you can have been revolving she can have been revolving we can have been revolving you can have been revolving they can have been revolving
Negation
Simple form
I cannot revolve you cannot revolve she cannot revolve we cannot revolve you cannot revolve they cannot revolve
V-ing form
I cannot be revolving you cannot be revolving she cannot be revolving we cannot be revolving you cannot be revolving they cannot be revolving
Perfect
I cannot have revolved you cannot have revolved she cannot have revolved we cannot have revolved you cannot have revolved they cannot have revolved
V-ing perfect
I cannot have been revolving you cannot have been revolving she cannot have been revolving we cannot have been revolving you cannot have been revolving they cannot have been revolving
Interrogative form
Simple form
can I revolve? can you revolve? can she revolve? can we revolve? can you revolve? can they revolve?
V-ing form
can I be revolving? can you be revolving? can she be revolving? can we be revolving? can you be revolving? can they be revolving?
Perfect
can I have revolved? can you have revolved? can she have revolved? can we have revolved? can you have revolved? can they have revolved?
V-ing perfect
can I have been revolving? can you have been revolving? can she have been revolving? can we have been revolving? can you have been revolving? can they have been revolving?
Interro-negative form
Simple form
can I not revolve? can you not revolve? can she not revolve? can we not revolve? can you not revolve? can they not revolve?
V-ing form
can I not be revolving? can you not be revolving? can she not be revolving? can we not be revolving? can you not be revolving? can they not be revolving?
Perfect
can I not have revolved? can you not have revolved? can she not have revolved? can we not have revolved? can you not have revolved? can they not have revolved?
V-ing perfect
can I not have been revolving? can you not have been revolving? can she not have been revolving? can we not have been revolving? can you not have been revolving? can they not have been revolving?