ought to preexpose
Regular verb: preexpose - preexposed- preexposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to preexpose
you ought to preexpose
he ought to preexpose
we ought to preexpose
you ought to preexpose
they ought to preexpose 	I ought to be preexposing
you ought to be preexposing
he ought to be preexposing
we ought to be preexposing
you ought to be preexposing
they ought to be preexposing	I ought to have preexposed
you ought to have preexposed
he ought to have preexposed
we ought to have preexposed
you ought to have preexposed
they ought to have preexposed	I ought to have been preexposing
you ought to have been preexposing
he ought to have been preexposing
we ought to have been preexposing
you ought to have been preexposing
they ought to have been preexposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to preexpose
you oughtn't to preexpose
he oughtn't to preexpose
we oughtn't to preexpose
you oughtn't to preexpose
they oughtn't to preexpose 	I oughtn't to be preexposing
you oughtn't to be preexposing
he oughtn't to be preexposing
we oughtn't to be preexposing
you oughtn't to be preexposing
they oughtn't to be preexposing	I oughtn't to have preexposed
you oughtn't to have preexposed
he oughtn't to have preexposed
we oughtn't to have preexposed
you oughtn't to have preexposed
they oughtn't to have preexposed	I oughtn't to have been preexposing
you oughtn't to have been preexposing
he oughtn't to have been preexposing
we oughtn't to have been preexposing
you oughtn't to have been preexposing
they oughtn't to have been preexposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I preexpose?
ought to you preexpose?
ought to he preexpose?
ought to we preexpose?
ought to you preexpose?
ought to they preexpose? 	ought to I be preexposing?
ought to you be preexposing?
ought to he be preexposing?
ought to we be preexposing?
ought to you be preexposing?
ought to they be preexposing? 	ought to I have preexposed?
ought to you have preexposed?
ought to he have preexposed?
ought to we have preexposed?
ought to you have preexposed?
ought to they have preexposed? 	ought to I have been preexposing?
ought to you have been preexposing?
ought to he have been preexposing?
ought to we have been preexposing?
ought to you have been preexposing?
ought to they have been preexposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to preexpose?
oughtn't you to preexpose?
oughtn't he to preexpose?
oughtn't we to preexpose?
oughtn't you to preexpose?
oughtn't they to preexpose? 	oughtn't I to be preexposing?
oughtn't you to be preexposing?
oughtn't he to be preexposing?
oughtn't we to be preexposing?
oughtn't you to be preexposing?
oughtn't they to be preexposing? 	oughtn't I to have preexposed?
oughtn't you to have preexposed?
oughtn't he to have preexposed?
oughtn't we to have preexposed?
oughtn't you to have preexposed?
oughtn't they to have preexposed? 	oughtn't I to have been preexposing?
oughtn't you to have been preexposing?
oughtn't he to have been preexposing?
oughtn't we to have been preexposing?
oughtn't you to have been preexposing?
oughtn't they to have been preexposing?