ought to cause
Regular verb: cause - caused- caused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to cause
you ought to cause
he ought to cause
we ought to cause
you ought to cause
they ought to cause 	I ought to be causing
you ought to be causing
he ought to be causing
we ought to be causing
you ought to be causing
they ought to be causing	I ought to have caused
you ought to have caused
he ought to have caused
we ought to have caused
you ought to have caused
they ought to have caused	I ought to have been causing
you ought to have been causing
he ought to have been causing
we ought to have been causing
you ought to have been causing
they ought to have been causing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to cause
you oughtn't to cause
he oughtn't to cause
we oughtn't to cause
you oughtn't to cause
they oughtn't to cause 	I oughtn't to be causing
you oughtn't to be causing
he oughtn't to be causing
we oughtn't to be causing
you oughtn't to be causing
they oughtn't to be causing	I oughtn't to have caused
you oughtn't to have caused
he oughtn't to have caused
we oughtn't to have caused
you oughtn't to have caused
they oughtn't to have caused	I oughtn't to have been causing
you oughtn't to have been causing
he oughtn't to have been causing
we oughtn't to have been causing
you oughtn't to have been causing
they oughtn't to have been causing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I cause?
ought to you cause?
ought to he cause?
ought to we cause?
ought to you cause?
ought to they cause? 	ought to I be causing?
ought to you be causing?
ought to he be causing?
ought to we be causing?
ought to you be causing?
ought to they be causing? 	ought to I have caused?
ought to you have caused?
ought to he have caused?
ought to we have caused?
ought to you have caused?
ought to they have caused? 	ought to I have been causing?
ought to you have been causing?
ought to he have been causing?
ought to we have been causing?
ought to you have been causing?
ought to they have been causing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to cause?
oughtn't you to cause?
oughtn't he to cause?
oughtn't we to cause?
oughtn't you to cause?
oughtn't they to cause? 	oughtn't I to be causing?
oughtn't you to be causing?
oughtn't he to be causing?
oughtn't we to be causing?
oughtn't you to be causing?
oughtn't they to be causing? 	oughtn't I to have caused?
oughtn't you to have caused?
oughtn't he to have caused?
oughtn't we to have caused?
oughtn't you to have caused?
oughtn't they to have caused? 	oughtn't I to have been causing?
oughtn't you to have been causing?
oughtn't he to have been causing?
oughtn't we to have been causing?
oughtn't you to have been causing?
oughtn't they to have been causing?