may hiccough
Regular verb: hiccough - hiccoughed- hiccoughed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may hiccough
you may hiccough
he may hiccough
we may hiccough
you may hiccough
they may hiccough 	I may be hiccoughing
you may be hiccoughing
he may be hiccoughing
we may be hiccoughing
you may be hiccoughing
they may be hiccoughing	I may have hiccoughed
you may have hiccoughed
he may have hiccoughed
we may have hiccoughed
you may have hiccoughed
they may have hiccoughed	I may have been hiccoughing
you may have been hiccoughing
he may have been hiccoughing
we may have been hiccoughing
you may have been hiccoughing
they may have been hiccoughing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't hiccough
you mayn't hiccough
he mayn't hiccough
we mayn't hiccough
you mayn't hiccough
they mayn't hiccough 	I mayn't be hiccoughing
you mayn't be hiccoughing
he mayn't be hiccoughing
we mayn't be hiccoughing
you mayn't be hiccoughing
they mayn't be hiccoughing	I mayn't have hiccoughed
you mayn't have hiccoughed
he mayn't have hiccoughed
we mayn't have hiccoughed
you mayn't have hiccoughed
they mayn't have hiccoughed	I mayn't have been hiccoughing
you mayn't have been hiccoughing
he mayn't have been hiccoughing
we mayn't have been hiccoughing
you mayn't have been hiccoughing
they mayn't have been hiccoughing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I hiccough?
may you hiccough?
may he hiccough?
may we hiccough?
may you hiccough?
may they hiccough? 	may I be hiccoughing?
may you be hiccoughing?
may he be hiccoughing?
may we be hiccoughing?
may you be hiccoughing?
may they be hiccoughing? 	may I have hiccoughed?
may you have hiccoughed?
may he have hiccoughed?
may we have hiccoughed?
may you have hiccoughed?
may they have hiccoughed? 	may I have been hiccoughing?
may you have been hiccoughing?
may he have been hiccoughing?
may we have been hiccoughing?
may you have been hiccoughing?
may they have been hiccoughing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I hiccough?
mayn't you hiccough?
mayn't he hiccough?
mayn't we hiccough?
mayn't you hiccough?
mayn't they hiccough? 	mayn't I be hiccoughing?
mayn't you be hiccoughing?
mayn't he be hiccoughing?
mayn't we be hiccoughing?
mayn't you be hiccoughing?
mayn't they be hiccoughing? 	mayn't I have hiccoughed?
mayn't you have hiccoughed?
mayn't he have hiccoughed?
mayn't we have hiccoughed?
mayn't you have hiccoughed?
mayn't they have hiccoughed? 	mayn't I have been hiccoughing?
mayn't you have been hiccoughing?
mayn't he have been hiccoughing?
mayn't we have been hiccoughing?
mayn't you have been hiccoughing?
mayn't they have been hiccoughing?