may fence
Regular verb: fence - fenced- fenced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may fence
you may fence
she may fence
we may fence
you may fence
they may fence 	I may be fencing
you may be fencing
she may be fencing
we may be fencing
you may be fencing
they may be fencing	I may have fenced
you may have fenced
she may have fenced
we may have fenced
you may have fenced
they may have fenced	I may have been fencing
you may have been fencing
she may have been fencing
we may have been fencing
you may have been fencing
they may have been fencing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't fence
you mayn't fence
she mayn't fence
we mayn't fence
you mayn't fence
they mayn't fence 	I mayn't be fencing
you mayn't be fencing
she mayn't be fencing
we mayn't be fencing
you mayn't be fencing
they mayn't be fencing	I mayn't have fenced
you mayn't have fenced
she mayn't have fenced
we mayn't have fenced
you mayn't have fenced
they mayn't have fenced	I mayn't have been fencing
you mayn't have been fencing
she mayn't have been fencing
we mayn't have been fencing
you mayn't have been fencing
they mayn't have been fencing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I fence?
may you fence?
may she fence?
may we fence?
may you fence?
may they fence? 	may I be fencing?
may you be fencing?
may she be fencing?
may we be fencing?
may you be fencing?
may they be fencing? 	may I have fenced?
may you have fenced?
may she have fenced?
may we have fenced?
may you have fenced?
may they have fenced? 	may I have been fencing?
may you have been fencing?
may she have been fencing?
may we have been fencing?
may you have been fencing?
may they have been fencing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I fence?
mayn't you fence?
mayn't she fence?
mayn't we fence?
mayn't you fence?
mayn't they fence? 	mayn't I be fencing?
mayn't you be fencing?
mayn't she be fencing?
mayn't we be fencing?
mayn't you be fencing?
mayn't they be fencing? 	mayn't I have fenced?
mayn't you have fenced?
mayn't she have fenced?
mayn't we have fenced?
mayn't you have fenced?
mayn't they have fenced? 	mayn't I have been fencing?
mayn't you have been fencing?
mayn't she have been fencing?
mayn't we have been fencing?
mayn't you have been fencing?
mayn't they have been fencing?