ought to invade
Regular verb: invade - invaded- invaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to invade
you ought to invade
he ought to invade
we ought to invade
you ought to invade
they ought to invade 	I ought to be invading
you ought to be invading
he ought to be invading
we ought to be invading
you ought to be invading
they ought to be invading	I ought to have invaded
you ought to have invaded
he ought to have invaded
we ought to have invaded
you ought to have invaded
they ought to have invaded	I ought to have been invading
you ought to have been invading
he ought to have been invading
we ought to have been invading
you ought to have been invading
they ought to have been invading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to invade
you ought not to invade
he ought not to invade
we ought not to invade
you ought not to invade
they ought not to invade 	I ought not to invading
you ought not to invading
he ought not to invading
we ought not to invading
you ought not to invading
they ought not to invading	I ought not to have invaded
you ought not to have invaded
he ought not to have invaded
we ought not to have invaded
you ought not to have invaded
they ought not to have invaded	I ought not to have been invading
you ought not to have been invading
he ought not to have been invading
we ought not to have been invading
you ought not to have been invading
they ought not to have been invading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I invade?
ought to you invade?
ought to he invade?
ought to we invade?
ought to you invade?
ought to they invade? 	ought to I be invading?
ought to you be invading?
ought to he be invading?
ought to we be invading?
ought to you be invading?
ought to they be invading? 	ought to I have invaded?
ought to you have invaded?
ought to he have invaded?
ought to we have invaded?
ought to you have invaded?
ought to they have invaded? 	ought to I have been invading?
ought to you have been invading?
ought to he have been invading?
ought to we have been invading?
ought to you have been invading?
ought to they have been invading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to invade?
ought you not to invade?
ought he not to invade?
ought we not to invade?
ought you not to invade?
ought they not to invade? 	ought I not to be invading?
ought you not to be invading?
ought he not to be invading?
ought we not to be invading?
ought you not to be invading?
ought they not to be invading? 	ought I not to have invaded?
ought you not to have invaded?
ought he not to have invaded?
ought we not to have invaded?
ought you not to have invaded?
ought they not to have invaded? 	ought I not to have been invading?
ought you not to have been invading?
ought he not to have been invading?
ought we not to have been invading?
ought you not to have been invading?
ought they not to have been invading?