English verb conjugation
MAY UNBUCKLE

Regular verb: unbuckle - unbuckled - unbuckled

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?