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