ought to invite
Regular verb: invite - invited- invited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to invite
you ought to invite
she ought to invite
we ought to invite
you ought to invite
they ought to invite 	I ought to be inviting
you ought to be inviting
she ought to be inviting
we ought to be inviting
you ought to be inviting
they ought to be inviting	I ought to have invited
you ought to have invited
she ought to have invited
we ought to have invited
you ought to have invited
they ought to have invited	I ought to have been inviting
you ought to have been inviting
she ought to have been inviting
we ought to have been inviting
you ought to have been inviting
they ought to have been inviting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to invite
you ought not to invite
she ought not to invite
we ought not to invite
you ought not to invite
they ought not to invite 	I ought not to inviting
you ought not to inviting
she ought not to inviting
we ought not to inviting
you ought not to inviting
they ought not to inviting	I ought not to have invited
you ought not to have invited
she ought not to have invited
we ought not to have invited
you ought not to have invited
they ought not to have invited	I ought not to have been inviting
you ought not to have been inviting
she ought not to have been inviting
we ought not to have been inviting
you ought not to have been inviting
they ought not to have been inviting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I invite?
ought to you invite?
ought to she invite?
ought to we invite?
ought to you invite?
ought to they invite? 	ought to I be inviting?
ought to you be inviting?
ought to she be inviting?
ought to we be inviting?
ought to you be inviting?
ought to they be inviting? 	ought to I have invited?
ought to you have invited?
ought to she have invited?
ought to we have invited?
ought to you have invited?
ought to they have invited? 	ought to I have been inviting?
ought to you have been inviting?
ought to she have been inviting?
ought to we have been inviting?
ought to you have been inviting?
ought to they have been inviting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to invite?
ought you not to invite?
ought she not to invite?
ought we not to invite?
ought you not to invite?
ought they not to invite? 	ought I not to be inviting?
ought you not to be inviting?
ought she not to be inviting?
ought we not to be inviting?
ought you not to be inviting?
ought they not to be inviting? 	ought I not to have invited?
ought you not to have invited?
ought she not to have invited?
ought we not to have invited?
ought you not to have invited?
ought they not to have invited? 	ought I not to have been inviting?
ought you not to have been inviting?
ought she not to have been inviting?
ought we not to have been inviting?
ought you not to have been inviting?
ought they not to have been inviting?