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 can't convene you can't convene she can't convene we can't convene you can't convene they can't convene
V-ing form
I can't be convening you can't be convening she can't be convening we can't be convening you can't be convening they can't be convening
Perfect
I can't have convened you can't have convened she can't have convened we can't have convened you can't have convened they can't have convened
V-ing perfect
I can't have been convening you can't have been convening she can't have been convening we can't have been convening you can't have been convening they can't 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't I convene? can't you convene? can't she convene? can't we convene? can't you convene? can't they convene?
V-ing form
can't I be convening? can't you be convening? can't she be convening? can't we be convening? can't you be convening? can't they be convening?
Perfect
can't I have convened? can't you have convened? can't she have convened? can't we have convened? can't you have convened? can't they have convened?
V-ing perfect
can't I have been convening? can't you have been convening? can't she have been convening? can't we have been convening? can't you have been convening? can't they have been convening?