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
she 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
she 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
she 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
she 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
she 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
she 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
she 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
she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?