may impress
Regular verb: impress - impressed- impressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may impress
you may impress
she may impress
we may impress
you may impress
they may impress 	I may be impressing
you may be impressing
she may be impressing
we may be impressing
you may be impressing
they may be impressing	I may have impressed
you may have impressed
she may have impressed
we may have impressed
you may have impressed
they may have impressed	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 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't impress
you mayn't impress
she mayn't impress
we mayn't impress
you mayn't impress
they mayn't impress 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
may I impress?
may you impress?
may she impress?
may we impress?
may you impress?
may they impress? 	may I be impressing?
may you be impressing?
may she be impressing?
may we be impressing?
may you be impressing?
may they be impressing? 	may I have impressed?
may you have impressed?
may she have impressed?
may we have impressed?
may you have impressed?
may they have impressed? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I impress?
mayn't you impress?
mayn't she impress?
mayn't we impress?
mayn't you impress?
mayn't they impress? 	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? 	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? 	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?