may concave
Verbe régulier : concave - concaved- concaved

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may concave
you may concave
she may concave
we may concave
you may concave
they may concave 	I may be concaving
you may be concaving
she may be concaving
we may be concaving
you may be concaving
they may be concaving	I may have concaved
you may have concaved
she may have concaved
we may have concaved
you may have concaved
they may have concaved	I may have been concaving
you may have been concaving
she may have been concaving
we may have been concaving
you may have been concaving
they may have been concaving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't concave
you mayn't concave
she mayn't concave
we mayn't concave
you mayn't concave
they mayn't concave 	I mayn't be concaving
you mayn't be concaving
she mayn't be concaving
we mayn't be concaving
you mayn't be concaving
they mayn't be concaving	I mayn't have concaved
you mayn't have concaved
she mayn't have concaved
we mayn't have concaved
you mayn't have concaved
they mayn't have concaved	I mayn't have been concaving
you mayn't have been concaving
she mayn't have been concaving
we mayn't have been concaving
you mayn't have been concaving
they mayn't have been concaving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I concave?
may you concave?
may she concave?
may we concave?
may you concave?
may they concave? 	may I be concaving?
may you be concaving?
may she be concaving?
may we be concaving?
may you be concaving?
may they be concaving? 	may I have concaved?
may you have concaved?
may she have concaved?
may we have concaved?
may you have concaved?
may they have concaved? 	may I have been concaving?
may you have been concaving?
may she have been concaving?
may we have been concaving?
may you have been concaving?
may they have been concaving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I concave?
mayn't you concave?
mayn't she concave?
mayn't we concave?
mayn't you concave?
mayn't they concave? 	mayn't I be concaving?
mayn't you be concaving?
mayn't she be concaving?
mayn't we be concaving?
mayn't you be concaving?
mayn't they be concaving? 	mayn't I have concaved?
mayn't you have concaved?
mayn't she have concaved?
mayn't we have concaved?
mayn't you have concaved?
mayn't they have concaved? 	mayn't I have been concaving?
mayn't you have been concaving?
mayn't she have been concaving?
mayn't we have been concaving?
mayn't you have been concaving?
mayn't they have been concaving?