ought to fish
Regular verb: fish - fished- fished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to fish
you ought to fish
he ought to fish
we ought to fish
you ought to fish
they ought to fish 	I ought to be fishing
you ought to be fishing
he ought to be fishing
we ought to be fishing
you ought to be fishing
they ought to be fishing	I ought to have fished
you ought to have fished
he ought to have fished
we ought to have fished
you ought to have fished
they ought to have fished	I ought to have been fishing
you ought to have been fishing
he ought to have been fishing
we ought to have been fishing
you ought to have been fishing
they ought to have been fishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to fish
you oughtn't to fish
he oughtn't to fish
we oughtn't to fish
you oughtn't to fish
they oughtn't to fish 	I oughtn't to be fishing
you oughtn't to be fishing
he oughtn't to be fishing
we oughtn't to be fishing
you oughtn't to be fishing
they oughtn't to be fishing	I oughtn't to have fished
you oughtn't to have fished
he oughtn't to have fished
we oughtn't to have fished
you oughtn't to have fished
they oughtn't to have fished	I oughtn't to have been fishing
you oughtn't to have been fishing
he oughtn't to have been fishing
we oughtn't to have been fishing
you oughtn't to have been fishing
they oughtn't to have been fishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I fish?
ought to you fish?
ought to he fish?
ought to we fish?
ought to you fish?
ought to they fish? 	ought to I be fishing?
ought to you be fishing?
ought to he be fishing?
ought to we be fishing?
ought to you be fishing?
ought to they be fishing? 	ought to I have fished?
ought to you have fished?
ought to he have fished?
ought to we have fished?
ought to you have fished?
ought to they have fished? 	ought to I have been fishing?
ought to you have been fishing?
ought to he have been fishing?
ought to we have been fishing?
ought to you have been fishing?
ought to they have been fishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to fish?
oughtn't you to fish?
oughtn't he to fish?
oughtn't we to fish?
oughtn't you to fish?
oughtn't they to fish? 	oughtn't I to be fishing?
oughtn't you to be fishing?
oughtn't he to be fishing?
oughtn't we to be fishing?
oughtn't you to be fishing?
oughtn't they to be fishing? 	oughtn't I to have fished?
oughtn't you to have fished?
oughtn't he to have fished?
oughtn't we to have fished?
oughtn't you to have fished?
oughtn't they to have fished? 	oughtn't I to have been fishing?
oughtn't you to have been fishing?
oughtn't he to have been fishing?
oughtn't we to have been fishing?
oughtn't you to have been fishing?
oughtn't they to have been fishing?