may concert
Verbo regular: concert - concerted- concerted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may concert
you may concert
he may concert
we may concert
you may concert
they may concert 	I may be concerting
you may be concerting
he may be concerting
we may be concerting
you may be concerting
they may be concerting	I may have concerted
you may have concerted
he may have concerted
we may have concerted
you may have concerted
they may have concerted	I may have been concerting
you may have been concerting
he may have been concerting
we may have been concerting
you may have been concerting
they may have been concerting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not concert
you may not concert
he may not concert
we may not concert
you may not concert
they may not concert 	I may not be concerting
you may not be concerting
he may not be concerting
we may not be concerting
you may not be concerting
they may not be concerting	I may not have concerted
you may not have concerted
he may not have concerted
we may not have concerted
you may not have concerted
they may not have concerted	I may not have been concerting
you may not have been concerting
he may not have been concerting
we may not have been concerting
you may not have been concerting
they may not have been concerting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I concert?
may you concert?
may he concert?
may we concert?
may you concert?
may they concert? 	may I be concerting?
may you be concerting?
may he be concerting?
may we be concerting?
may you be concerting?
may they be concerting? 	may I have concerted?
may you have concerted?
may he have concerted?
may we have concerted?
may you have concerted?
may they have concerted? 	may I have been concerting?
may you have been concerting?
may he have been concerting?
may we have been concerting?
may you have been concerting?
may they have been concerting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not concert?
may you not concert?
may he not concert?
may we not concert?
may you not concert?
may they not concert? 	may I not be concerting?
may you not be concerting?
may he not be concerting?
may we not be concerting?
may you not be concerting?
may they not be concerting? 	may I not have concerted?
may you not have concerted?
may he not have concerted?
may we not have concerted?
may you not have concerted?
may they not have concerted? 	may I not have been concerting?
may you not have been concerting?
may he not have been concerting?
may we not have been concerting?
may you not have been concerting?
may they not have been concerting?