I may convene you may convene he may convene we may convene you may convene they may convene
V-ing form
I may be convening you may be convening he may be convening we may be convening you may be convening they may be convening
Perfect
I may have convened you may have convened he may have convened we may have convened you may have convened they may have convened
V-ing perfect
I may have been convening you may have been convening he may have been convening we may have been convening you may have been convening they may have been convening
Negation
Simple form
I mayn't convene you mayn't convene he mayn't convene we mayn't convene you mayn't convene they mayn't convene
V-ing form
I mayn't be convening you mayn't be convening he mayn't be convening we mayn't be convening you mayn't be convening they mayn't be convening
Perfect
I mayn't have convened you mayn't have convened he mayn't have convened we mayn't have convened you mayn't have convened they mayn't have convened
V-ing perfect
I mayn't have been convening you mayn't have been convening he mayn't have been convening we mayn't have been convening you mayn't have been convening they mayn't have been convening
Interrogative form
Simple form
may I convene? may you convene? may he convene? may we convene? may you convene? may they convene?
V-ing form
may I be convening? may you be convening? may he be convening? may we be convening? may you be convening? may they be convening?
Perfect
may I have convened? may you have convened? may he have convened? may we have convened? may you have convened? may they have convened?
V-ing perfect
may I have been convening? may you have been convening? may he have been convening? may we have been convening? may you have been convening? may they have been convening?
Interro-negative form
Simple form
mayn't I convene? mayn't you convene? mayn't he convene? mayn't we convene? mayn't you convene? mayn't they convene?
V-ing form
mayn't I be convening? mayn't you be convening? mayn't he be convening? mayn't we be convening? mayn't you be convening? mayn't they be convening?
Perfect
mayn't I have convened? mayn't you have convened? mayn't he have convened? mayn't we have convened? mayn't you have convened? mayn't they have convened?
V-ing perfect
mayn't I have been convening? mayn't you have been convening? mayn't he have been convening? mayn't we have been convening? mayn't you have been convening? mayn't they have been convening?