English verb conjugation
OUGHT TO FLASH

Regular verb: flash - flashed - flashed

Affirmation

Simple form	V-ing form
I ought to flash you ought to flash he ought to flash we ought to flash you ought to flash they ought to flash	I ought to be flashing you ought to be flashing he ought to be flashing we ought to be flashing you ought to be flashing they ought to be flashing
Perfect	V-ing perfect
I ought to have flashed you ought to have flashed he ought to have flashed we ought to have flashed you ought to have flashed they ought to have flashed	I ought to have been flashing you ought to have been flashing he ought to have been flashing we ought to have been flashing you ought to have been flashing they ought to have been flashing

Negation

Simple form	V-ing form
I oughtn't to flash you oughtn't to flash he oughtn't to flash we oughtn't to flash you oughtn't to flash they oughtn't to flash	I oughtn't to be flashing you oughtn't to be flashing he oughtn't to be flashing we oughtn't to be flashing you oughtn't to be flashing they oughtn't to be flashing
Perfect	V-ing perfect
I oughtn't to have flashed you oughtn't to have flashed he oughtn't to have flashed we oughtn't to have flashed you oughtn't to have flashed they oughtn't to have flashed	I oughtn't to have been flashing you oughtn't to have been flashing he oughtn't to have been flashing we oughtn't to have been flashing you oughtn't to have been flashing they oughtn't to have been flashing

Interrogative form

Simple form	V-ing form
ought to I flash? ought to you flash? ought to he flash? ought to we flash? ought to you flash? ought to they flash?	ought to I be flashing? ought to you be flashing? ought to he be flashing? ought to we be flashing? ought to you be flashing? ought to they be flashing?
Perfect	V-ing perfect
ought to I have flashed? ought to you have flashed? ought to he have flashed? ought to we have flashed? ought to you have flashed? ought to they have flashed?	ought to I have been flashing? ought to you have been flashing? ought to he have been flashing? ought to we have been flashing? ought to you have been flashing? ought to they have been flashing?

Interro-negative form

Simple form	V-ing form
oughtn't I to flash? oughtn't you to flash? oughtn't he to flash? oughtn't we to flash? oughtn't you to flash? oughtn't they to flash?	oughtn't I to be flashing? oughtn't you to be flashing? oughtn't he to be flashing? oughtn't we to be flashing? oughtn't you to be flashing? oughtn't they to be flashing?
Perfect	V-ing perfect
oughtn't I to have flashed? oughtn't you to have flashed? oughtn't he to have flashed? oughtn't we to have flashed? oughtn't you to have flashed? oughtn't they to have flashed?	oughtn't I to have been flashing? oughtn't you to have been flashing? oughtn't he to have been flashing? oughtn't we to have been flashing? oughtn't you to have been flashing? oughtn't they to have been flashing?