I may impress you may impress she may impress we may impress you may impress they may impress
V-ing form
I may be impressing you may be impressing she may be impressing we may be impressing you may be impressing they may be impressing
Perfect
I may have impressed you may have impressed she may have impressed we may have impressed you may have impressed they may have impressed
V-ing perfect
I may have been impressing you may have been impressing she may have been impressing we may have been impressing you may have been impressing they may have been impressing
Negation
Simple form
I mayn't impress you mayn't impress she mayn't impress we mayn't impress you mayn't impress they mayn't impress
V-ing form
I mayn't be impressing you mayn't be impressing she mayn't be impressing we mayn't be impressing you mayn't be impressing they mayn't be impressing
Perfect
I mayn't have impressed you mayn't have impressed she mayn't have impressed we mayn't have impressed you mayn't have impressed they mayn't have impressed
V-ing perfect
I mayn't have been impressing you mayn't have been impressing she mayn't have been impressing we mayn't have been impressing you mayn't have been impressing they mayn't have been impressing
Interrogative form
Simple form
may I impress? may you impress? may she impress? may we impress? may you impress? may they impress?
V-ing form
may I be impressing? may you be impressing? may she be impressing? may we be impressing? may you be impressing? may they be impressing?
Perfect
may I have impressed? may you have impressed? may she have impressed? may we have impressed? may you have impressed? may they have impressed?
V-ing perfect
may I have been impressing? may you have been impressing? may she have been impressing? may we have been impressing? may you have been impressing? may they have been impressing?
Interro-negative form
Simple form
mayn't I impress? mayn't you impress? mayn't she impress? mayn't we impress? mayn't you impress? mayn't they impress?
V-ing form
mayn't I be impressing? mayn't you be impressing? mayn't she be impressing? mayn't we be impressing? mayn't you be impressing? mayn't they be impressing?
Perfect
mayn't I have impressed? mayn't you have impressed? mayn't she have impressed? mayn't we have impressed? mayn't you have impressed? mayn't they have impressed?
V-ing perfect
mayn't I have been impressing? mayn't you have been impressing? mayn't she have been impressing? mayn't we have been impressing? mayn't you have been impressing? mayn't they have been impressing?