may harken
Verbo regular: harken - harkened- harkened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may harken
you may harken
he may harken
we may harken
you may harken
they may harken 	I may be harkening
you may be harkening
he may be harkening
we may be harkening
you may be harkening
they may be harkening	I may have harkened
you may have harkened
he may have harkened
we may have harkened
you may have harkened
they may have harkened	I may have been harkening
you may have been harkening
he may have been harkening
we may have been harkening
you may have been harkening
they may have been harkening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not harken
you may not harken
he may not harken
we may not harken
you may not harken
they may not harken 	I may not be harkening
you may not be harkening
he may not be harkening
we may not be harkening
you may not be harkening
they may not be harkening	I may not have harkened
you may not have harkened
he may not have harkened
we may not have harkened
you may not have harkened
they may not have harkened	I may not have been harkening
you may not have been harkening
he may not have been harkening
we may not have been harkening
you may not have been harkening
they may not have been harkening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I harken?
may you harken?
may he harken?
may we harken?
may you harken?
may they harken? 	may I be harkening?
may you be harkening?
may he be harkening?
may we be harkening?
may you be harkening?
may they be harkening? 	may I have harkened?
may you have harkened?
may he have harkened?
may we have harkened?
may you have harkened?
may they have harkened? 	may I have been harkening?
may you have been harkening?
may he have been harkening?
may we have been harkening?
may you have been harkening?
may they have been harkening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not harken?
may you not harken?
may he not harken?
may we not harken?
may you not harken?
may they not harken? 	may I not be harkening?
may you not be harkening?
may he not be harkening?
may we not be harkening?
may you not be harkening?
may they not be harkening? 	may I not have harkened?
may you not have harkened?
may he not have harkened?
may we not have harkened?
may you not have harkened?
may they not have harkened? 	may I not have been harkening?
may you not have been harkening?
may he not have been harkening?
may we not have been harkening?
may you not have been harkening?
may they not have been harkening?