ought to drink
Irregular verb: drink - drank- drunk

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to drink
you ought to drink
he ought to drink
we ought to drink
you ought to drink
they ought to drink 	I ought to be drinking
you ought to be drinking
he ought to be drinking
we ought to be drinking
you ought to be drinking
they ought to be drinking	I ought to have drunk
you ought to have drunk
he ought to have drunk
we ought to have drunk
you ought to have drunk
they ought to have drunk	I ought to have been drinking
you ought to have been drinking
he ought to have been drinking
we ought to have been drinking
you ought to have been drinking
they ought to have been drinking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to drink
you oughtn't to drink
he oughtn't to drink
we oughtn't to drink
you oughtn't to drink
they oughtn't to drink 	I oughtn't to be drinking
you oughtn't to be drinking
he oughtn't to be drinking
we oughtn't to be drinking
you oughtn't to be drinking
they oughtn't to be drinking	I oughtn't to have drunk
you oughtn't to have drunk
he oughtn't to have drunk
we oughtn't to have drunk
you oughtn't to have drunk
they oughtn't to have drunk	I oughtn't to have been drinking
you oughtn't to have been drinking
he oughtn't to have been drinking
we oughtn't to have been drinking
you oughtn't to have been drinking
they oughtn't to have been drinking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I drink?
ought to you drink?
ought to he drink?
ought to we drink?
ought to you drink?
ought to they drink? 	ought to I be drinking?
ought to you be drinking?
ought to he be drinking?
ought to we be drinking?
ought to you be drinking?
ought to they be drinking? 	ought to I have drunk?
ought to you have drunk?
ought to he have drunk?
ought to we have drunk?
ought to you have drunk?
ought to they have drunk? 	ought to I have been drinking?
ought to you have been drinking?
ought to he have been drinking?
ought to we have been drinking?
ought to you have been drinking?
ought to they have been drinking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to drink?
oughtn't you to drink?
oughtn't he to drink?
oughtn't we to drink?
oughtn't you to drink?
oughtn't they to drink? 	oughtn't I to be drinking?
oughtn't you to be drinking?
oughtn't he to be drinking?
oughtn't we to be drinking?
oughtn't you to be drinking?
oughtn't they to be drinking? 	oughtn't I to have drunk?
oughtn't you to have drunk?
oughtn't he to have drunk?
oughtn't we to have drunk?
oughtn't you to have drunk?
oughtn't they to have drunk? 	oughtn't I to have been drinking?
oughtn't you to have been drinking?
oughtn't he to have been drinking?
oughtn't we to have been drinking?
oughtn't you to have been drinking?
oughtn't they to have been drinking?