ought to milk
Regular verb: milk - milked- milked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to milk
you ought to milk
she ought to milk
we ought to milk
you ought to milk
they ought to milk 	I ought to be milking
you ought to be milking
she ought to be milking
we ought to be milking
you ought to be milking
they ought to be milking	I ought to have milked
you ought to have milked
she ought to have milked
we ought to have milked
you ought to have milked
they ought to have milked	I ought to have been milking
you ought to have been milking
she ought to have been milking
we ought to have been milking
you ought to have been milking
they ought to have been milking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to milk
you oughtn't to milk
she oughtn't to milk
we oughtn't to milk
you oughtn't to milk
they oughtn't to milk 	I oughtn't to be milking
you oughtn't to be milking
she oughtn't to be milking
we oughtn't to be milking
you oughtn't to be milking
they oughtn't to be milking	I oughtn't to have milked
you oughtn't to have milked
she oughtn't to have milked
we oughtn't to have milked
you oughtn't to have milked
they oughtn't to have milked	I oughtn't to have been milking
you oughtn't to have been milking
she oughtn't to have been milking
we oughtn't to have been milking
you oughtn't to have been milking
they oughtn't to have been milking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I milk?
ought to you milk?
ought to she milk?
ought to we milk?
ought to you milk?
ought to they milk? 	ought to I be milking?
ought to you be milking?
ought to she be milking?
ought to we be milking?
ought to you be milking?
ought to they be milking? 	ought to I have milked?
ought to you have milked?
ought to she have milked?
ought to we have milked?
ought to you have milked?
ought to they have milked? 	ought to I have been milking?
ought to you have been milking?
ought to she have been milking?
ought to we have been milking?
ought to you have been milking?
ought to they have been milking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to milk?
oughtn't you to milk?
oughtn't she to milk?
oughtn't we to milk?
oughtn't you to milk?
oughtn't they to milk? 	oughtn't I to be milking?
oughtn't you to be milking?
oughtn't she to be milking?
oughtn't we to be milking?
oughtn't you to be milking?
oughtn't they to be milking? 	oughtn't I to have milked?
oughtn't you to have milked?
oughtn't she to have milked?
oughtn't we to have milked?
oughtn't you to have milked?
oughtn't they to have milked? 	oughtn't I to have been milking?
oughtn't you to have been milking?
oughtn't she to have been milking?
oughtn't we to have been milking?
oughtn't you to have been milking?
oughtn't they to have been milking?