ought to devitrify
Regular verb: devitrify - devitrified- devitrified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to devitrify
you ought to devitrify
she ought to devitrify
we ought to devitrify
you ought to devitrify
they ought to devitrify 	I ought to be devitrifying
you ought to be devitrifying
she ought to be devitrifying
we ought to be devitrifying
you ought to be devitrifying
they ought to be devitrifying	I ought to have devitrified
you ought to have devitrified
she ought to have devitrified
we ought to have devitrified
you ought to have devitrified
they ought to have devitrified	I ought to have been devitrifying
you ought to have been devitrifying
she ought to have been devitrifying
we ought to have been devitrifying
you ought to have been devitrifying
they ought to have been devitrifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to devitrify
you ought not to devitrify
she ought not to devitrify
we ought not to devitrify
you ought not to devitrify
they ought not to devitrify 	I ought not to devitrifying
you ought not to devitrifying
she ought not to devitrifying
we ought not to devitrifying
you ought not to devitrifying
they ought not to devitrifying	I ought not to have devitrified
you ought not to have devitrified
she ought not to have devitrified
we ought not to have devitrified
you ought not to have devitrified
they ought not to have devitrified	I ought not to have been devitrifying
you ought not to have been devitrifying
she ought not to have been devitrifying
we ought not to have been devitrifying
you ought not to have been devitrifying
they ought not to have been devitrifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I devitrify?
ought to you devitrify?
ought to she devitrify?
ought to we devitrify?
ought to you devitrify?
ought to they devitrify? 	ought to I be devitrifying?
ought to you be devitrifying?
ought to she be devitrifying?
ought to we be devitrifying?
ought to you be devitrifying?
ought to they be devitrifying? 	ought to I have devitrified?
ought to you have devitrified?
ought to she have devitrified?
ought to we have devitrified?
ought to you have devitrified?
ought to they have devitrified? 	ought to I have been devitrifying?
ought to you have been devitrifying?
ought to she have been devitrifying?
ought to we have been devitrifying?
ought to you have been devitrifying?
ought to they have been devitrifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to devitrify?
ought you not to devitrify?
ought she not to devitrify?
ought we not to devitrify?
ought you not to devitrify?
ought they not to devitrify? 	ought I not to be devitrifying?
ought you not to be devitrifying?
ought she not to be devitrifying?
ought we not to be devitrifying?
ought you not to be devitrifying?
ought they not to be devitrifying? 	ought I not to have devitrified?
ought you not to have devitrified?
ought she not to have devitrified?
ought we not to have devitrified?
ought you not to have devitrified?
ought they not to have devitrified? 	ought I not to have been devitrifying?
ought you not to have been devitrifying?
ought she not to have been devitrifying?
ought we not to have been devitrifying?
ought you not to have been devitrifying?
ought they not to have been devitrifying?