ought to tough
Regular verb: tough - toughed- toughed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to tough
you ought to tough
he ought to tough
we ought to tough
you ought to tough
they ought to tough 	I ought to be toughing
you ought to be toughing
he ought to be toughing
we ought to be toughing
you ought to be toughing
they ought to be toughing	I ought to have toughed
you ought to have toughed
he ought to have toughed
we ought to have toughed
you ought to have toughed
they ought to have toughed	I ought to have been toughing
you ought to have been toughing
he ought to have been toughing
we ought to have been toughing
you ought to have been toughing
they ought to have been toughing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to tough
you oughtn't to tough
he oughtn't to tough
we oughtn't to tough
you oughtn't to tough
they oughtn't to tough 	I oughtn't to be toughing
you oughtn't to be toughing
he oughtn't to be toughing
we oughtn't to be toughing
you oughtn't to be toughing
they oughtn't to be toughing	I oughtn't to have toughed
you oughtn't to have toughed
he oughtn't to have toughed
we oughtn't to have toughed
you oughtn't to have toughed
they oughtn't to have toughed	I oughtn't to have been toughing
you oughtn't to have been toughing
he oughtn't to have been toughing
we oughtn't to have been toughing
you oughtn't to have been toughing
they oughtn't to have been toughing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I tough?
ought to you tough?
ought to he tough?
ought to we tough?
ought to you tough?
ought to they tough? 	ought to I be toughing?
ought to you be toughing?
ought to he be toughing?
ought to we be toughing?
ought to you be toughing?
ought to they be toughing? 	ought to I have toughed?
ought to you have toughed?
ought to he have toughed?
ought to we have toughed?
ought to you have toughed?
ought to they have toughed? 	ought to I have been toughing?
ought to you have been toughing?
ought to he have been toughing?
ought to we have been toughing?
ought to you have been toughing?
ought to they have been toughing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to tough?
oughtn't you to tough?
oughtn't he to tough?
oughtn't we to tough?
oughtn't you to tough?
oughtn't they to tough? 	oughtn't I to be toughing?
oughtn't you to be toughing?
oughtn't he to be toughing?
oughtn't we to be toughing?
oughtn't you to be toughing?
oughtn't they to be toughing? 	oughtn't I to have toughed?
oughtn't you to have toughed?
oughtn't he to have toughed?
oughtn't we to have toughed?
oughtn't you to have toughed?
oughtn't they to have toughed? 	oughtn't I to have been toughing?
oughtn't you to have been toughing?
oughtn't he to have been toughing?
oughtn't we to have been toughing?
oughtn't you to have been toughing?
oughtn't they to have been toughing?