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