ought to invalid
Regular verb: invalid - invalided- invalided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to invalid
you ought to invalid
she ought to invalid
we ought to invalid
you ought to invalid
they ought to invalid 	I ought to be invaliding
you ought to be invaliding
she ought to be invaliding
we ought to be invaliding
you ought to be invaliding
they ought to be invaliding	I ought to have invalided
you ought to have invalided
she ought to have invalided
we ought to have invalided
you ought to have invalided
they ought to have invalided	I ought to have been invaliding
you ought to have been invaliding
she ought to have been invaliding
we ought to have been invaliding
you ought to have been invaliding
they ought to have been invaliding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to invalid
you ought not to invalid
she ought not to invalid
we ought not to invalid
you ought not to invalid
they ought not to invalid 	I ought not to invaliding
you ought not to invaliding
she ought not to invaliding
we ought not to invaliding
you ought not to invaliding
they ought not to invaliding	I ought not to have invalided
you ought not to have invalided
she ought not to have invalided
we ought not to have invalided
you ought not to have invalided
they ought not to have invalided	I ought not to have been invaliding
you ought not to have been invaliding
she ought not to have been invaliding
we ought not to have been invaliding
you ought not to have been invaliding
they ought not to have been invaliding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I invalid?
ought to you invalid?
ought to she invalid?
ought to we invalid?
ought to you invalid?
ought to they invalid? 	ought to I be invaliding?
ought to you be invaliding?
ought to she be invaliding?
ought to we be invaliding?
ought to you be invaliding?
ought to they be invaliding? 	ought to I have invalided?
ought to you have invalided?
ought to she have invalided?
ought to we have invalided?
ought to you have invalided?
ought to they have invalided? 	ought to I have been invaliding?
ought to you have been invaliding?
ought to she have been invaliding?
ought to we have been invaliding?
ought to you have been invaliding?
ought to they have been invaliding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to invalid?
ought you not to invalid?
ought she not to invalid?
ought we not to invalid?
ought you not to invalid?
ought they not to invalid? 	ought I not to be invaliding?
ought you not to be invaliding?
ought she not to be invaliding?
ought we not to be invaliding?
ought you not to be invaliding?
ought they not to be invaliding? 	ought I not to have invalided?
ought you not to have invalided?
ought she not to have invalided?
ought we not to have invalided?
ought you not to have invalided?
ought they not to have invalided? 	ought I not to have been invaliding?
ought you not to have been invaliding?
ought she not to have been invaliding?
ought we not to have been invaliding?
ought you not to have been invaliding?
ought they not to have been invaliding?