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
she 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
she 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
she 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
she 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
she 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
she 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
she 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
she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?