ought to predecease
Regular verb: predecease - predeceased- predeceased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to predecease
you ought to predecease
he ought to predecease
we ought to predecease
you ought to predecease
they ought to predecease 	I ought to be predeceasing
you ought to be predeceasing
he ought to be predeceasing
we ought to be predeceasing
you ought to be predeceasing
they ought to be predeceasing	I ought to have predeceased
you ought to have predeceased
he ought to have predeceased
we ought to have predeceased
you ought to have predeceased
they ought to have predeceased	I ought to have been predeceasing
you ought to have been predeceasing
he ought to have been predeceasing
we ought to have been predeceasing
you ought to have been predeceasing
they ought to have been predeceasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to predecease
you oughtn't to predecease
he oughtn't to predecease
we oughtn't to predecease
you oughtn't to predecease
they oughtn't to predecease 	I oughtn't to be predeceasing
you oughtn't to be predeceasing
he oughtn't to be predeceasing
we oughtn't to be predeceasing
you oughtn't to be predeceasing
they oughtn't to be predeceasing	I oughtn't to have predeceased
you oughtn't to have predeceased
he oughtn't to have predeceased
we oughtn't to have predeceased
you oughtn't to have predeceased
they oughtn't to have predeceased	I oughtn't to have been predeceasing
you oughtn't to have been predeceasing
he oughtn't to have been predeceasing
we oughtn't to have been predeceasing
you oughtn't to have been predeceasing
they oughtn't to have been predeceasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I predecease?
ought to you predecease?
ought to he predecease?
ought to we predecease?
ought to you predecease?
ought to they predecease? 	ought to I be predeceasing?
ought to you be predeceasing?
ought to he be predeceasing?
ought to we be predeceasing?
ought to you be predeceasing?
ought to they be predeceasing? 	ought to I have predeceased?
ought to you have predeceased?
ought to he have predeceased?
ought to we have predeceased?
ought to you have predeceased?
ought to they have predeceased? 	ought to I have been predeceasing?
ought to you have been predeceasing?
ought to he have been predeceasing?
ought to we have been predeceasing?
ought to you have been predeceasing?
ought to they have been predeceasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to predecease?
oughtn't you to predecease?
oughtn't he to predecease?
oughtn't we to predecease?
oughtn't you to predecease?
oughtn't they to predecease? 	oughtn't I to be predeceasing?
oughtn't you to be predeceasing?
oughtn't he to be predeceasing?
oughtn't we to be predeceasing?
oughtn't you to be predeceasing?
oughtn't they to be predeceasing? 	oughtn't I to have predeceased?
oughtn't you to have predeceased?
oughtn't he to have predeceased?
oughtn't we to have predeceased?
oughtn't you to have predeceased?
oughtn't they to have predeceased? 	oughtn't I to have been predeceasing?
oughtn't you to have been predeceasing?
oughtn't he to have been predeceasing?
oughtn't we to have been predeceasing?
oughtn't you to have been predeceasing?
oughtn't they to have been predeceasing?