I ought to flush you ought to flush he ought to flush we ought to flush you ought to flush they ought to flush
V-ing form
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
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
V-ing perfect
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
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
V-ing form
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
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
V-ing perfect
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
ought to I flush? ought to you flush? ought to he flush? ought to we flush? ought to you flush? ought to they flush?
V-ing form
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
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?
V-ing perfect
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
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?
V-ing form
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
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?
V-ing perfect
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?