may unharness
Regular verb: unharness - unharnessed- unharnessed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may unharness
you may unharness
he may unharness
we may unharness
you may unharness
they may unharness 	I may be unharnessing
you may be unharnessing
he may be unharnessing
we may be unharnessing
you may be unharnessing
they may be unharnessing	I may have unharnessed
you may have unharnessed
he may have unharnessed
we may have unharnessed
you may have unharnessed
they may have unharnessed	I may have been unharnessing
you may have been unharnessing
he may have been unharnessing
we may have been unharnessing
you may have been unharnessing
they may have been unharnessing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not unharness
you may not unharness
he may not unharness
we may not unharness
you may not unharness
they may not unharness 	I may not be unharnessing
you may not be unharnessing
he may not be unharnessing
we may not be unharnessing
you may not be unharnessing
they may not be unharnessing	I may not have unharnessed
you may not have unharnessed
he may not have unharnessed
we may not have unharnessed
you may not have unharnessed
they may not have unharnessed	I may not have been unharnessing
you may not have been unharnessing
he may not have been unharnessing
we may not have been unharnessing
you may not have been unharnessing
they may not have been unharnessing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I unharness?
may you unharness?
may he unharness?
may we unharness?
may you unharness?
may they unharness? 	may I be unharnessing?
may you be unharnessing?
may he be unharnessing?
may we be unharnessing?
may you be unharnessing?
may they be unharnessing? 	may I have unharnessed?
may you have unharnessed?
may he have unharnessed?
may we have unharnessed?
may you have unharnessed?
may they have unharnessed? 	may I have been unharnessing?
may you have been unharnessing?
may he have been unharnessing?
may we have been unharnessing?
may you have been unharnessing?
may they have been unharnessing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not unharness?
may you not unharness?
may he not unharness?
may we not unharness?
may you not unharness?
may they not unharness? 	may I not be unharnessing?
may you not be unharnessing?
may he not be unharnessing?
may we not be unharnessing?
may you not be unharnessing?
may they not be unharnessing? 	may I not have unharnessed?
may you not have unharnessed?
may he not have unharnessed?
may we not have unharnessed?
may you not have unharnessed?
may they not have unharnessed? 	may I not have been unharnessing?
may you not have been unharnessing?
may he not have been unharnessing?
may we not have been unharnessing?
may you not have been unharnessing?
may they not have been unharnessing?