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