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