I can continue you can continue she can continue we can continue you can continue they can continue
V-ing form
I can be continuing you can be continuing she can be continuing we can be continuing you can be continuing they can be continuing
Perfect
I can have continued you can have continued she can have continued we can have continued you can have continued they can have continued
V-ing perfect
I can have been continuing you can have been continuing she can have been continuing we can have been continuing you can have been continuing they can have been continuing
Negation
Simple form
I can't continue you can't continue she can't continue we can't continue you can't continue they can't continue
V-ing form
I can't be continuing you can't be continuing she can't be continuing we can't be continuing you can't be continuing they can't be continuing
Perfect
I can't have continued you can't have continued she can't have continued we can't have continued you can't have continued they can't have continued
V-ing perfect
I can't have been continuing you can't have been continuing she can't have been continuing we can't have been continuing you can't have been continuing they can't have been continuing
Interrogative form
Simple form
can I continue? can you continue? can she continue? can we continue? can you continue? can they continue?
V-ing form
can I be continuing? can you be continuing? can she be continuing? can we be continuing? can you be continuing? can they be continuing?
Perfect
can I have continued? can you have continued? can she have continued? can we have continued? can you have continued? can they have continued?
V-ing perfect
can I have been continuing? can you have been continuing? can she have been continuing? can we have been continuing? can you have been continuing? can they have been continuing?
Interro-negative form
Simple form
can't I continue? can't you continue? can't she continue? can't we continue? can't you continue? can't they continue?
V-ing form
can't I be continuing? can't you be continuing? can't she be continuing? can't we be continuing? can't you be continuing? can't they be continuing?
Perfect
can't I have continued? can't you have continued? can't she have continued? can't we have continued? can't you have continued? can't they have continued?
V-ing perfect
can't I have been continuing? can't you have been continuing? can't she have been continuing? can't we have been continuing? can't you have been continuing? can't they have been continuing?