English verb conjugation
OUGHT TO FLUSH

Regular verb: flush - flushed - flushed

Affirmation

Simple form	V-ing form
I ought to flush you ought to flush he ought to flush we ought to flush you ought to flush they ought to flush	I ought to be flushing you ought to be flushing he ought to be flushing we ought to be flushing you ought to be flushing they ought to be flushing
Perfect	V-ing perfect
I ought to have flushed you ought to have flushed he ought to have flushed we ought to have flushed you ought to have flushed they ought to have flushed	I ought to have been flushing you ought to have been flushing he ought to have been flushing we ought to have been flushing you ought to have been flushing they ought to have been flushing

Negation

Simple form	V-ing form
I oughtn't to flush you oughtn't to flush he oughtn't to flush we oughtn't to flush you oughtn't to flush they oughtn't to flush	I oughtn't to be flushing you oughtn't to be flushing he oughtn't to be flushing we oughtn't to be flushing you oughtn't to be flushing they oughtn't to be flushing
Perfect	V-ing perfect
I oughtn't to have flushed you oughtn't to have flushed he oughtn't to have flushed we oughtn't to have flushed you oughtn't to have flushed they oughtn't to have flushed	I oughtn't to have been flushing you oughtn't to have been flushing he oughtn't to have been flushing we oughtn't to have been flushing you oughtn't to have been flushing they oughtn't to have been flushing

Interrogative form

Simple form	V-ing form
ought to I flush? ought to you flush? ought to he flush? ought to we flush? ought to you flush? ought to they flush?	ought to I be flushing? ought to you be flushing? ought to he be flushing? ought to we be flushing? ought to you be flushing? ought to they be flushing?
Perfect	V-ing perfect
ought to I have flushed? ought to you have flushed? ought to he have flushed? ought to we have flushed? ought to you have flushed? ought to they have flushed?	ought to I have been flushing? ought to you have been flushing? ought to he have been flushing? ought to we have been flushing? ought to you have been flushing? ought to they have been flushing?

Interro-negative form

Simple form	V-ing form
oughtn't I to flush? oughtn't you to flush? oughtn't he to flush? oughtn't we to flush? oughtn't you to flush? oughtn't they to flush?	oughtn't I to be flushing? oughtn't you to be flushing? oughtn't he to be flushing? oughtn't we to be flushing? oughtn't you to be flushing? oughtn't they to be flushing?
Perfect	V-ing perfect
oughtn't I to have flushed? oughtn't you to have flushed? oughtn't he to have flushed? oughtn't we to have flushed? oughtn't you to have flushed? oughtn't they to have flushed?	oughtn't I to have been flushing? oughtn't you to have been flushing? oughtn't he to have been flushing? oughtn't we to have been flushing? oughtn't you to have been flushing? oughtn't they to have been flushing?