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