may telephone
Regular verb: telephone - telephoned- telephoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may telephone
you may telephone
he may telephone
we may telephone
you may telephone
they may telephone 	I may be telephoning
you may be telephoning
he may be telephoning
we may be telephoning
you may be telephoning
they may be telephoning	I may have telephoned
you may have telephoned
he may have telephoned
we may have telephoned
you may have telephoned
they may have telephoned	I may have been telephoning
you may have been telephoning
he may have been telephoning
we may have been telephoning
you may have been telephoning
they may have been telephoning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't telephone
you mayn't telephone
he mayn't telephone
we mayn't telephone
you mayn't telephone
they mayn't telephone 	I mayn't be telephoning
you mayn't be telephoning
he mayn't be telephoning
we mayn't be telephoning
you mayn't be telephoning
they mayn't be telephoning	I mayn't have telephoned
you mayn't have telephoned
he mayn't have telephoned
we mayn't have telephoned
you mayn't have telephoned
they mayn't have telephoned	I mayn't have been telephoning
you mayn't have been telephoning
he mayn't have been telephoning
we mayn't have been telephoning
you mayn't have been telephoning
they mayn't have been telephoning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I telephone?
may you telephone?
may he telephone?
may we telephone?
may you telephone?
may they telephone? 	may I be telephoning?
may you be telephoning?
may he be telephoning?
may we be telephoning?
may you be telephoning?
may they be telephoning? 	may I have telephoned?
may you have telephoned?
may he have telephoned?
may we have telephoned?
may you have telephoned?
may they have telephoned? 	may I have been telephoning?
may you have been telephoning?
may he have been telephoning?
may we have been telephoning?
may you have been telephoning?
may they have been telephoning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I telephone?
mayn't you telephone?
mayn't he telephone?
mayn't we telephone?
mayn't you telephone?
mayn't they telephone? 	mayn't I be telephoning?
mayn't you be telephoning?
mayn't he be telephoning?
mayn't we be telephoning?
mayn't you be telephoning?
mayn't they be telephoning? 	mayn't I have telephoned?
mayn't you have telephoned?
mayn't he have telephoned?
mayn't we have telephoned?
mayn't you have telephoned?
mayn't they have telephoned? 	mayn't I have been telephoning?
mayn't you have been telephoning?
mayn't he have been telephoning?
mayn't we have been telephoning?
mayn't you have been telephoning?
mayn't they have been telephoning?