English verb conjugation
OUGHT TO FISH

Regular verb: fish - fished - fished

Affirmation

Simple form	V-ing form
I ought to fish you ought to fish she 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 she ought to be fishing we ought to be fishing you ought to be fishing they ought to be fishing
Perfect	V-ing perfect
I ought to have fished you ought to have fished she 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 she 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
I oughtn't to fish you oughtn't to fish she 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 she oughtn't to be fishing we oughtn't to be fishing you oughtn't to be fishing they oughtn't to be fishing
Perfect	V-ing perfect
I oughtn't to have fished you oughtn't to have fished she 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 she 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
ought to I fish? ought to you fish? ought to she 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 she be fishing? ought to we be fishing? ought to you be fishing? ought to they be fishing?
Perfect	V-ing perfect
ought to I have fished? ought to you have fished? ought to she 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 she 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
oughtn't I to fish? oughtn't you to fish? oughtn't she 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 she to be fishing? oughtn't we to be fishing? oughtn't you to be fishing? oughtn't they to be fishing?
Perfect	V-ing perfect
oughtn't I to have fished? oughtn't you to have fished? oughtn't she 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 she 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?