English verb conjugation
OUGHT TO RIFFLE

Regular verb: riffle - riffled - riffled

Affirmation

Simple form	V-ing form
I ought to riffle you ought to riffle he ought to riffle we ought to riffle you ought to riffle they ought to riffle	I ought to be riffling you ought to be riffling he ought to be riffling we ought to be riffling you ought to be riffling they ought to be riffling
Perfect	V-ing perfect
I ought to have riffled you ought to have riffled he ought to have riffled we ought to have riffled you ought to have riffled they ought to have riffled	I ought to have been riffling you ought to have been riffling he ought to have been riffling we ought to have been riffling you ought to have been riffling they ought to have been riffling

Negation

Simple form	V-ing form
I oughtn't to riffle you oughtn't to riffle he oughtn't to riffle we oughtn't to riffle you oughtn't to riffle they oughtn't to riffle	I oughtn't to be riffling you oughtn't to be riffling he oughtn't to be riffling we oughtn't to be riffling you oughtn't to be riffling they oughtn't to be riffling
Perfect	V-ing perfect
I oughtn't to have riffled you oughtn't to have riffled he oughtn't to have riffled we oughtn't to have riffled you oughtn't to have riffled they oughtn't to have riffled	I oughtn't to have been riffling you oughtn't to have been riffling he oughtn't to have been riffling we oughtn't to have been riffling you oughtn't to have been riffling they oughtn't to have been riffling

Interrogative form

Simple form	V-ing form
ought to I riffle? ought to you riffle? ought to he riffle? ought to we riffle? ought to you riffle? ought to they riffle?	ought to I be riffling? ought to you be riffling? ought to he be riffling? ought to we be riffling? ought to you be riffling? ought to they be riffling?
Perfect	V-ing perfect
ought to I have riffled? ought to you have riffled? ought to he have riffled? ought to we have riffled? ought to you have riffled? ought to they have riffled?	ought to I have been riffling? ought to you have been riffling? ought to he have been riffling? ought to we have been riffling? ought to you have been riffling? ought to they have been riffling?

Interro-negative form

Simple form	V-ing form
oughtn't I to riffle? oughtn't you to riffle? oughtn't he to riffle? oughtn't we to riffle? oughtn't you to riffle? oughtn't they to riffle?	oughtn't I to be riffling? oughtn't you to be riffling? oughtn't he to be riffling? oughtn't we to be riffling? oughtn't you to be riffling? oughtn't they to be riffling?
Perfect	V-ing perfect
oughtn't I to have riffled? oughtn't you to have riffled? oughtn't he to have riffled? oughtn't we to have riffled? oughtn't you to have riffled? oughtn't they to have riffled?	oughtn't I to have been riffling? oughtn't you to have been riffling? oughtn't he to have been riffling? oughtn't we to have been riffling? oughtn't you to have been riffling? oughtn't they to have been riffling?