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