ought to unmask
Regular verb: unmask - unmasked- unmasked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to unmask
you ought to unmask
he ought to unmask
we ought to unmask
you ought to unmask
they ought to unmask 	I ought to be unmasking
you ought to be unmasking
he ought to be unmasking
we ought to be unmasking
you ought to be unmasking
they ought to be unmasking	I ought to have unmasked
you ought to have unmasked
he ought to have unmasked
we ought to have unmasked
you ought to have unmasked
they ought to have unmasked	I ought to have been unmasking
you ought to have been unmasking
he ought to have been unmasking
we ought to have been unmasking
you ought to have been unmasking
they ought to have been unmasking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to unmask
you oughtn't to unmask
he oughtn't to unmask
we oughtn't to unmask
you oughtn't to unmask
they oughtn't to unmask 	I oughtn't to be unmasking
you oughtn't to be unmasking
he oughtn't to be unmasking
we oughtn't to be unmasking
you oughtn't to be unmasking
they oughtn't to be unmasking	I oughtn't to have unmasked
you oughtn't to have unmasked
he oughtn't to have unmasked
we oughtn't to have unmasked
you oughtn't to have unmasked
they oughtn't to have unmasked	I oughtn't to have been unmasking
you oughtn't to have been unmasking
he oughtn't to have been unmasking
we oughtn't to have been unmasking
you oughtn't to have been unmasking
they oughtn't to have been unmasking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I unmask?
ought to you unmask?
ought to he unmask?
ought to we unmask?
ought to you unmask?
ought to they unmask? 	ought to I be unmasking?
ought to you be unmasking?
ought to he be unmasking?
ought to we be unmasking?
ought to you be unmasking?
ought to they be unmasking? 	ought to I have unmasked?
ought to you have unmasked?
ought to he have unmasked?
ought to we have unmasked?
ought to you have unmasked?
ought to they have unmasked? 	ought to I have been unmasking?
ought to you have been unmasking?
ought to he have been unmasking?
ought to we have been unmasking?
ought to you have been unmasking?
ought to they have been unmasking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to unmask?
oughtn't you to unmask?
oughtn't he to unmask?
oughtn't we to unmask?
oughtn't you to unmask?
oughtn't they to unmask? 	oughtn't I to be unmasking?
oughtn't you to be unmasking?
oughtn't he to be unmasking?
oughtn't we to be unmasking?
oughtn't you to be unmasking?
oughtn't they to be unmasking? 	oughtn't I to have unmasked?
oughtn't you to have unmasked?
oughtn't he to have unmasked?
oughtn't we to have unmasked?
oughtn't you to have unmasked?
oughtn't they to have unmasked? 	oughtn't I to have been unmasking?
oughtn't you to have been unmasking?
oughtn't he to have been unmasking?
oughtn't we to have been unmasking?
oughtn't you to have been unmasking?
oughtn't they to have been unmasking?