ought to force
Regular verb: force - forced- forced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to force
you ought to force
he ought to force
we ought to force
you ought to force
they ought to force 	I ought to be forcing
you ought to be forcing
he ought to be forcing
we ought to be forcing
you ought to be forcing
they ought to be forcing	I ought to have forced
you ought to have forced
he ought to have forced
we ought to have forced
you ought to have forced
they ought to have forced	I ought to have been forcing
you ought to have been forcing
he ought to have been forcing
we ought to have been forcing
you ought to have been forcing
they ought to have been forcing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to force
you ought not to force
he ought not to force
we ought not to force
you ought not to force
they ought not to force 	I ought not to forcing
you ought not to forcing
he ought not to forcing
we ought not to forcing
you ought not to forcing
they ought not to forcing	I ought not to have forced
you ought not to have forced
he ought not to have forced
we ought not to have forced
you ought not to have forced
they ought not to have forced	I ought not to have been forcing
you ought not to have been forcing
he ought not to have been forcing
we ought not to have been forcing
you ought not to have been forcing
they ought not to have been forcing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I force?
ought to you force?
ought to he force?
ought to we force?
ought to you force?
ought to they force? 	ought to I be forcing?
ought to you be forcing?
ought to he be forcing?
ought to we be forcing?
ought to you be forcing?
ought to they be forcing? 	ought to I have forced?
ought to you have forced?
ought to he have forced?
ought to we have forced?
ought to you have forced?
ought to they have forced? 	ought to I have been forcing?
ought to you have been forcing?
ought to he have been forcing?
ought to we have been forcing?
ought to you have been forcing?
ought to they have been forcing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to force?
ought you not to force?
ought he not to force?
ought we not to force?
ought you not to force?
ought they not to force? 	ought I not to be forcing?
ought you not to be forcing?
ought he not to be forcing?
ought we not to be forcing?
ought you not to be forcing?
ought they not to be forcing? 	ought I not to have forced?
ought you not to have forced?
ought he not to have forced?
ought we not to have forced?
ought you not to have forced?
ought they not to have forced? 	ought I not to have been forcing?
ought you not to have been forcing?
ought he not to have been forcing?
ought we not to have been forcing?
ought you not to have been forcing?
ought they not to have been forcing?