may decline
Regular verb: decline - declined- declined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may decline
you may decline
she may decline
we may decline
you may decline
they may decline 	I may be declining
you may be declining
she may be declining
we may be declining
you may be declining
they may be declining	I may have declined
you may have declined
she may have declined
we may have declined
you may have declined
they may have declined	I may have been declining
you may have been declining
she may have been declining
we may have been declining
you may have been declining
they may have been declining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't decline
you mayn't decline
she mayn't decline
we mayn't decline
you mayn't decline
they mayn't decline 	I mayn't be declining
you mayn't be declining
she mayn't be declining
we mayn't be declining
you mayn't be declining
they mayn't be declining	I mayn't have declined
you mayn't have declined
she mayn't have declined
we mayn't have declined
you mayn't have declined
they mayn't have declined	I mayn't have been declining
you mayn't have been declining
she mayn't have been declining
we mayn't have been declining
you mayn't have been declining
they mayn't have been declining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I decline?
may you decline?
may she decline?
may we decline?
may you decline?
may they decline? 	may I be declining?
may you be declining?
may she be declining?
may we be declining?
may you be declining?
may they be declining? 	may I have declined?
may you have declined?
may she have declined?
may we have declined?
may you have declined?
may they have declined? 	may I have been declining?
may you have been declining?
may she have been declining?
may we have been declining?
may you have been declining?
may they have been declining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I decline?
mayn't you decline?
mayn't she decline?
mayn't we decline?
mayn't you decline?
mayn't they decline? 	mayn't I be declining?
mayn't you be declining?
mayn't she be declining?
mayn't we be declining?
mayn't you be declining?
mayn't they be declining? 	mayn't I have declined?
mayn't you have declined?
mayn't she have declined?
mayn't we have declined?
mayn't you have declined?
mayn't they have declined? 	mayn't I have been declining?
mayn't you have been declining?
mayn't she have been declining?
mayn't we have been declining?
mayn't you have been declining?
mayn't they have been declining?