I can convene you can convene she can convene we can convene you can convene they can convene
V-ing form
I can be convening you can be convening she can be convening we can be convening you can be convening they can be convening
Perfect
I can have convened you can have convened she can have convened we can have convened you can have convened they can have convened
V-ing perfect
I can have been convening you can have been convening she can have been convening we can have been convening you can have been convening they can have been convening
Negation
Simple form
I cannot convene you cannot convene she cannot convene we cannot convene you cannot convene they cannot convene
V-ing form
I cannot be convening you cannot be convening she cannot be convening we cannot be convening you cannot be convening they cannot be convening
Perfect
I cannot have convened you cannot have convened she cannot have convened we cannot have convened you cannot have convened they cannot have convened
V-ing perfect
I cannot have been convening you cannot have been convening she cannot have been convening we cannot have been convening you cannot have been convening they cannot have been convening
Interrogative form
Simple form
can I convene? can you convene? can she convene? can we convene? can you convene? can they convene?
V-ing form
can I be convening? can you be convening? can she be convening? can we be convening? can you be convening? can they be convening?
Perfect
can I have convened? can you have convened? can she have convened? can we have convened? can you have convened? can they have convened?
V-ing perfect
can I have been convening? can you have been convening? can she have been convening? can we have been convening? can you have been convening? can they have been convening?
Interro-negative form
Simple form
can I not convene? can you not convene? can she not convene? can we not convene? can you not convene? can they not convene?
V-ing form
can I not be convening? can you not be convening? can she not be convening? can we not be convening? can you not be convening? can they not be convening?
Perfect
can I not have convened? can you not have convened? can she not have convened? can we not have convened? can you not have convened? can they not have convened?
V-ing perfect
can I not have been convening? can you not have been convening? can she not have been convening? can we not have been convening? can you not have been convening? can they not have been convening?