English verb conjugation
OUGHT TO SIPHON

Regular verb: siphon - siphoned - siphoned

Affirmation

Simple form	V-ing form
I ought to siphon you ought to siphon he ought to siphon we ought to siphon you ought to siphon they ought to siphon	I ought to be siphoning you ought to be siphoning he ought to be siphoning we ought to be siphoning you ought to be siphoning they ought to be siphoning
Perfect	V-ing perfect
I ought to have siphoned you ought to have siphoned he ought to have siphoned we ought to have siphoned you ought to have siphoned they ought to have siphoned	I ought to have been siphoning you ought to have been siphoning he ought to have been siphoning we ought to have been siphoning you ought to have been siphoning they ought to have been siphoning

Negation

Simple form	V-ing form
I oughtn't to siphon you oughtn't to siphon he oughtn't to siphon we oughtn't to siphon you oughtn't to siphon they oughtn't to siphon	I oughtn't to be siphoning you oughtn't to be siphoning he oughtn't to be siphoning we oughtn't to be siphoning you oughtn't to be siphoning they oughtn't to be siphoning
Perfect	V-ing perfect
I oughtn't to have siphoned you oughtn't to have siphoned he oughtn't to have siphoned we oughtn't to have siphoned you oughtn't to have siphoned they oughtn't to have siphoned	I oughtn't to have been siphoning you oughtn't to have been siphoning he oughtn't to have been siphoning we oughtn't to have been siphoning you oughtn't to have been siphoning they oughtn't to have been siphoning

Interrogative form

Simple form	V-ing form
ought to I siphon? ought to you siphon? ought to he siphon? ought to we siphon? ought to you siphon? ought to they siphon?	ought to I be siphoning? ought to you be siphoning? ought to he be siphoning? ought to we be siphoning? ought to you be siphoning? ought to they be siphoning?
Perfect	V-ing perfect
ought to I have siphoned? ought to you have siphoned? ought to he have siphoned? ought to we have siphoned? ought to you have siphoned? ought to they have siphoned?	ought to I have been siphoning? ought to you have been siphoning? ought to he have been siphoning? ought to we have been siphoning? ought to you have been siphoning? ought to they have been siphoning?

Interro-negative form

Simple form	V-ing form
oughtn't I to siphon? oughtn't you to siphon? oughtn't he to siphon? oughtn't we to siphon? oughtn't you to siphon? oughtn't they to siphon?	oughtn't I to be siphoning? oughtn't you to be siphoning? oughtn't he to be siphoning? oughtn't we to be siphoning? oughtn't you to be siphoning? oughtn't they to be siphoning?
Perfect	V-ing perfect
oughtn't I to have siphoned? oughtn't you to have siphoned? oughtn't he to have siphoned? oughtn't we to have siphoned? oughtn't you to have siphoned? oughtn't they to have siphoned?	oughtn't I to have been siphoning? oughtn't you to have been siphoning? oughtn't he to have been siphoning? oughtn't we to have been siphoning? oughtn't you to have been siphoning? oughtn't they to have been siphoning?