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