may countermine
Verbe régulier : countermine - countermined- countermined

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may countermine
you may countermine
he may countermine
we may countermine
you may countermine
they may countermine 	I may be countermining
you may be countermining
he may be countermining
we may be countermining
you may be countermining
they may be countermining	I may have countermined
you may have countermined
he may have countermined
we may have countermined
you may have countermined
they may have countermined	I may have been countermining
you may have been countermining
he may have been countermining
we may have been countermining
you may have been countermining
they may have been countermining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't countermine
you mayn't countermine
he mayn't countermine
we mayn't countermine
you mayn't countermine
they mayn't countermine 	I mayn't be countermining
you mayn't be countermining
he mayn't be countermining
we mayn't be countermining
you mayn't be countermining
they mayn't be countermining	I mayn't have countermined
you mayn't have countermined
he mayn't have countermined
we mayn't have countermined
you mayn't have countermined
they mayn't have countermined	I mayn't have been countermining
you mayn't have been countermining
he mayn't have been countermining
we mayn't have been countermining
you mayn't have been countermining
they mayn't have been countermining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I countermine?
may you countermine?
may he countermine?
may we countermine?
may you countermine?
may they countermine? 	may I be countermining?
may you be countermining?
may he be countermining?
may we be countermining?
may you be countermining?
may they be countermining? 	may I have countermined?
may you have countermined?
may he have countermined?
may we have countermined?
may you have countermined?
may they have countermined? 	may I have been countermining?
may you have been countermining?
may he have been countermining?
may we have been countermining?
may you have been countermining?
may they have been countermining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I countermine?
mayn't you countermine?
mayn't he countermine?
mayn't we countermine?
mayn't you countermine?
mayn't they countermine? 	mayn't I be countermining?
mayn't you be countermining?
mayn't he be countermining?
mayn't we be countermining?
mayn't you be countermining?
mayn't they be countermining? 	mayn't I have countermined?
mayn't you have countermined?
mayn't he have countermined?
mayn't we have countermined?
mayn't you have countermined?
mayn't they have countermined? 	mayn't I have been countermining?
mayn't you have been countermining?
mayn't he have been countermining?
mayn't we have been countermining?
mayn't you have been countermining?
mayn't they have been countermining?