may unbuckle
Verbo regular: unbuckle - unbuckled- unbuckled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may unbuckle
you may unbuckle
he may unbuckle
we may unbuckle
you may unbuckle
they may unbuckle 	I may be unbuckling
you may be unbuckling
he may be unbuckling
we may be unbuckling
you may be unbuckling
they may be unbuckling	I may have unbuckled
you may have unbuckled
he may have unbuckled
we may have unbuckled
you may have unbuckled
they may have unbuckled	I may have been unbuckling
you may have been unbuckling
he may have been unbuckling
we may have been unbuckling
you may have been unbuckling
they may have been unbuckling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not unbuckle
you may not unbuckle
he may not unbuckle
we may not unbuckle
you may not unbuckle
they may not unbuckle 	I may not be unbuckling
you may not be unbuckling
he may not be unbuckling
we may not be unbuckling
you may not be unbuckling
they may not be unbuckling	I may not have unbuckled
you may not have unbuckled
he may not have unbuckled
we may not have unbuckled
you may not have unbuckled
they may not have unbuckled	I may not have been unbuckling
you may not have been unbuckling
he may not have been unbuckling
we may not have been unbuckling
you may not have been unbuckling
they may not have been unbuckling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I unbuckle?
may you unbuckle?
may he unbuckle?
may we unbuckle?
may you unbuckle?
may they unbuckle? 	may I be unbuckling?
may you be unbuckling?
may he be unbuckling?
may we be unbuckling?
may you be unbuckling?
may they be unbuckling? 	may I have unbuckled?
may you have unbuckled?
may he have unbuckled?
may we have unbuckled?
may you have unbuckled?
may they have unbuckled? 	may I have been unbuckling?
may you have been unbuckling?
may he have been unbuckling?
may we have been unbuckling?
may you have been unbuckling?
may they have been unbuckling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not unbuckle?
may you not unbuckle?
may he not unbuckle?
may we not unbuckle?
may you not unbuckle?
may they not unbuckle? 	may I not be unbuckling?
may you not be unbuckling?
may he not be unbuckling?
may we not be unbuckling?
may you not be unbuckling?
may they not be unbuckling? 	may I not have unbuckled?
may you not have unbuckled?
may he not have unbuckled?
may we not have unbuckled?
may you not have unbuckled?
may they not have unbuckled? 	may I not have been unbuckling?
may you not have been unbuckling?
may he not have been unbuckling?
may we not have been unbuckling?
may you not have been unbuckling?
may they not have been unbuckling?