ought to devitalize
Regular verb: devitalize - devitalized- devitalized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to devitalize
you ought to devitalize
he ought to devitalize
we ought to devitalize
you ought to devitalize
they ought to devitalize 	I ought to be devitalizing
you ought to be devitalizing
he ought to be devitalizing
we ought to be devitalizing
you ought to be devitalizing
they ought to be devitalizing	I ought to have devitalized
you ought to have devitalized
he ought to have devitalized
we ought to have devitalized
you ought to have devitalized
they ought to have devitalized	I ought to have been devitalizing
you ought to have been devitalizing
he ought to have been devitalizing
we ought to have been devitalizing
you ought to have been devitalizing
they ought to have been devitalizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to devitalize
you oughtn't to devitalize
he oughtn't to devitalize
we oughtn't to devitalize
you oughtn't to devitalize
they oughtn't to devitalize 	I oughtn't to be devitalizing
you oughtn't to be devitalizing
he oughtn't to be devitalizing
we oughtn't to be devitalizing
you oughtn't to be devitalizing
they oughtn't to be devitalizing	I oughtn't to have devitalized
you oughtn't to have devitalized
he oughtn't to have devitalized
we oughtn't to have devitalized
you oughtn't to have devitalized
they oughtn't to have devitalized	I oughtn't to have been devitalizing
you oughtn't to have been devitalizing
he oughtn't to have been devitalizing
we oughtn't to have been devitalizing
you oughtn't to have been devitalizing
they oughtn't to have been devitalizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I devitalize?
ought to you devitalize?
ought to he devitalize?
ought to we devitalize?
ought to you devitalize?
ought to they devitalize? 	ought to I be devitalizing?
ought to you be devitalizing?
ought to he be devitalizing?
ought to we be devitalizing?
ought to you be devitalizing?
ought to they be devitalizing? 	ought to I have devitalized?
ought to you have devitalized?
ought to he have devitalized?
ought to we have devitalized?
ought to you have devitalized?
ought to they have devitalized? 	ought to I have been devitalizing?
ought to you have been devitalizing?
ought to he have been devitalizing?
ought to we have been devitalizing?
ought to you have been devitalizing?
ought to they have been devitalizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to devitalize?
oughtn't you to devitalize?
oughtn't he to devitalize?
oughtn't we to devitalize?
oughtn't you to devitalize?
oughtn't they to devitalize? 	oughtn't I to be devitalizing?
oughtn't you to be devitalizing?
oughtn't he to be devitalizing?
oughtn't we to be devitalizing?
oughtn't you to be devitalizing?
oughtn't they to be devitalizing? 	oughtn't I to have devitalized?
oughtn't you to have devitalized?
oughtn't he to have devitalized?
oughtn't we to have devitalized?
oughtn't you to have devitalized?
oughtn't they to have devitalized? 	oughtn't I to have been devitalizing?
oughtn't you to have been devitalizing?
oughtn't he to have been devitalizing?
oughtn't we to have been devitalizing?
oughtn't you to have been devitalizing?
oughtn't they to have been devitalizing?