I can surge you can surge she can surge we can surge you can surge they can surge
V-ing form
I can be surging you can be surging she can be surging we can be surging you can be surging they can be surging
Perfect
I can have surged you can have surged she can have surged we can have surged you can have surged they can have surged
V-ing perfect
I can have been surging you can have been surging she can have been surging we can have been surging you can have been surging they can have been surging
Negation
Simple form
I can't surge you can't surge she can't surge we can't surge you can't surge they can't surge
V-ing form
I can't be surging you can't be surging she can't be surging we can't be surging you can't be surging they can't be surging
Perfect
I can't have surged you can't have surged she can't have surged we can't have surged you can't have surged they can't have surged
V-ing perfect
I can't have been surging you can't have been surging she can't have been surging we can't have been surging you can't have been surging they can't have been surging
Interrogative form
Simple form
can I surge? can you surge? can she surge? can we surge? can you surge? can they surge?
V-ing form
can I be surging? can you be surging? can she be surging? can we be surging? can you be surging? can they be surging?
Perfect
can I have surged? can you have surged? can she have surged? can we have surged? can you have surged? can they have surged?
V-ing perfect
can I have been surging? can you have been surging? can she have been surging? can we have been surging? can you have been surging? can they have been surging?
Interro-negative form
Simple form
can't I surge? can't you surge? can't she surge? can't we surge? can't you surge? can't they surge?
V-ing form
can't I be surging? can't you be surging? can't she be surging? can't we be surging? can't you be surging? can't they be surging?
Perfect
can't I have surged? can't you have surged? can't she have surged? can't we have surged? can't you have surged? can't they have surged?
V-ing perfect
can't I have been surging? can't you have been surging? can't she have been surging? can't we have been surging? can't you have been surging? can't they have been surging?