I may impress you may impress he may impress we may impress you may impress they may impress
V-ing form
I may be impressing you may be impressing he may be impressing we may be impressing you may be impressing they may be impressing
Perfect
I may have impressed you may have impressed he 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 he 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 he 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 he 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 he 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 he 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 he impress? may we impress? may you impress? may they impress?
V-ing form
may I be impressing? may you be impressing? may he be impressing? may we be impressing? may you be impressing? may they be impressing?
Perfect
may I have impressed? may you have impressed? may he 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 he 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 he 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 he 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 he 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 he have been impressing? mayn't we have been impressing? mayn't you have been impressing? mayn't they have been impressing?