may countenance
Regular verb: countenance - countenanced- countenanced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may countenance
you may countenance
he may countenance
we may countenance
you may countenance
they may countenance 	I may be countenancing
you may be countenancing
he may be countenancing
we may be countenancing
you may be countenancing
they may be countenancing	I may have countenanced
you may have countenanced
he may have countenanced
we may have countenanced
you may have countenanced
they may have countenanced	I may have been countenancing
you may have been countenancing
he may have been countenancing
we may have been countenancing
you may have been countenancing
they may have been countenancing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't countenance
you mayn't countenance
he mayn't countenance
we mayn't countenance
you mayn't countenance
they mayn't countenance 	I mayn't be countenancing
you mayn't be countenancing
he mayn't be countenancing
we mayn't be countenancing
you mayn't be countenancing
they mayn't be countenancing	I mayn't have countenanced
you mayn't have countenanced
he mayn't have countenanced
we mayn't have countenanced
you mayn't have countenanced
they mayn't have countenanced	I mayn't have been countenancing
you mayn't have been countenancing
he mayn't have been countenancing
we mayn't have been countenancing
you mayn't have been countenancing
they mayn't have been countenancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I countenance?
may you countenance?
may he countenance?
may we countenance?
may you countenance?
may they countenance? 	may I be countenancing?
may you be countenancing?
may he be countenancing?
may we be countenancing?
may you be countenancing?
may they be countenancing? 	may I have countenanced?
may you have countenanced?
may he have countenanced?
may we have countenanced?
may you have countenanced?
may they have countenanced? 	may I have been countenancing?
may you have been countenancing?
may he have been countenancing?
may we have been countenancing?
may you have been countenancing?
may they have been countenancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I countenance?
mayn't you countenance?
mayn't he countenance?
mayn't we countenance?
mayn't you countenance?
mayn't they countenance? 	mayn't I be countenancing?
mayn't you be countenancing?
mayn't he be countenancing?
mayn't we be countenancing?
mayn't you be countenancing?
mayn't they be countenancing? 	mayn't I have countenanced?
mayn't you have countenanced?
mayn't he have countenanced?
mayn't we have countenanced?
mayn't you have countenanced?
mayn't they have countenanced? 	mayn't I have been countenancing?
mayn't you have been countenancing?
mayn't he have been countenancing?
mayn't we have been countenancing?
mayn't you have been countenancing?
mayn't they have been countenancing?