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