English verb conjugation
MAY UNFASTEN

Regular verb: unfasten - unfastened - unfastened

Affirmation

Simple form	V-ing form
I may unfasten you may unfasten he may unfasten we may unfasten you may unfasten they may unfasten	I may be unfastening you may be unfastening he may be unfastening we may be unfastening you may be unfastening they may be unfastening
Perfect	V-ing perfect
I may have unfastened you may have unfastened he may have unfastened we may have unfastened you may have unfastened they may have unfastened	I may have been unfastening you may have been unfastening he may have been unfastening we may have been unfastening you may have been unfastening they may have been unfastening

Negation

Simple form	V-ing form
I may not unfasten you may not unfasten he may not unfasten we may not unfasten you may not unfasten they may not unfasten	I may not be unfastening you may not be unfastening he may not be unfastening we may not be unfastening you may not be unfastening they may not be unfastening
Perfect	V-ing perfect
I may not have unfastened you may not have unfastened he may not have unfastened we may not have unfastened you may not have unfastened they may not have unfastened	I may not have been unfastening you may not have been unfastening he may not have been unfastening we may not have been unfastening you may not have been unfastening they may not have been unfastening

Interrogative form

Simple form	V-ing form
may I unfasten? may you unfasten? may he unfasten? may we unfasten? may you unfasten? may they unfasten?	may I be unfastening? may you be unfastening? may he be unfastening? may we be unfastening? may you be unfastening? may they be unfastening?
Perfect	V-ing perfect
may I have unfastened? may you have unfastened? may he have unfastened? may we have unfastened? may you have unfastened? may they have unfastened?	may I have been unfastening? may you have been unfastening? may he have been unfastening? may we have been unfastening? may you have been unfastening? may they have been unfastening?

Interro-negative form

Simple form	V-ing form
may I not unfasten? may you not unfasten? may he not unfasten? may we not unfasten? may you not unfasten? may they not unfasten?	may I not be unfastening? may you not be unfastening? may he not be unfastening? may we not be unfastening? may you not be unfastening? may they not be unfastening?
Perfect	V-ing perfect
may I not have unfastened? may you not have unfastened? may he not have unfastened? may we not have unfastened? may you not have unfastened? may they not have unfastened?	may I not have been unfastening? may you not have been unfastening? may he not have been unfastening? may we not have been unfastening? may you not have been unfastening? may they not have been unfastening?