ought to seal
Regular verb: seal - sealed- sealed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to seal
you ought to seal
she ought to seal
we ought to seal
you ought to seal
they ought to seal 	I ought to be sealing
you ought to be sealing
she ought to be sealing
we ought to be sealing
you ought to be sealing
they ought to be sealing	I ought to have sealed
you ought to have sealed
she ought to have sealed
we ought to have sealed
you ought to have sealed
they ought to have sealed	I ought to have been sealing
you ought to have been sealing
she ought to have been sealing
we ought to have been sealing
you ought to have been sealing
they ought to have been sealing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to seal
you oughtn't to seal
she oughtn't to seal
we oughtn't to seal
you oughtn't to seal
they oughtn't to seal 	I oughtn't to be sealing
you oughtn't to be sealing
she oughtn't to be sealing
we oughtn't to be sealing
you oughtn't to be sealing
they oughtn't to be sealing	I oughtn't to have sealed
you oughtn't to have sealed
she oughtn't to have sealed
we oughtn't to have sealed
you oughtn't to have sealed
they oughtn't to have sealed	I oughtn't to have been sealing
you oughtn't to have been sealing
she oughtn't to have been sealing
we oughtn't to have been sealing
you oughtn't to have been sealing
they oughtn't to have been sealing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I seal?
ought to you seal?
ought to she seal?
ought to we seal?
ought to you seal?
ought to they seal? 	ought to I be sealing?
ought to you be sealing?
ought to she be sealing?
ought to we be sealing?
ought to you be sealing?
ought to they be sealing? 	ought to I have sealed?
ought to you have sealed?
ought to she have sealed?
ought to we have sealed?
ought to you have sealed?
ought to they have sealed? 	ought to I have been sealing?
ought to you have been sealing?
ought to she have been sealing?
ought to we have been sealing?
ought to you have been sealing?
ought to they have been sealing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to seal?
oughtn't you to seal?
oughtn't she to seal?
oughtn't we to seal?
oughtn't you to seal?
oughtn't they to seal? 	oughtn't I to be sealing?
oughtn't you to be sealing?
oughtn't she to be sealing?
oughtn't we to be sealing?
oughtn't you to be sealing?
oughtn't they to be sealing? 	oughtn't I to have sealed?
oughtn't you to have sealed?
oughtn't she to have sealed?
oughtn't we to have sealed?
oughtn't you to have sealed?
oughtn't they to have sealed? 	oughtn't I to have been sealing?
oughtn't you to have been sealing?
oughtn't she to have been sealing?
oughtn't we to have been sealing?
oughtn't you to have been sealing?
oughtn't they to have been sealing?