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 ought not to siphon you ought not to siphon he ought not to siphon we ought not to siphon you ought not to siphon they ought not to siphon	I ought not to siphoning you ought not to siphoning he ought not to siphoning we ought not to siphoning you ought not to siphoning they ought not to siphoning
Perfect	V-ing perfect
I ought not to have siphoned you ought not to have siphoned he ought not to have siphoned we ought not to have siphoned you ought not to have siphoned they ought not to have siphoned	I ought not to have been siphoning you ought not to have been siphoning he ought not to have been siphoning we ought not to have been siphoning you ought not to have been siphoning they ought not 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
ought I not to siphon? ought you not to siphon? ought he not to siphon? ought we not to siphon? ought you not to siphon? ought they not to siphon?	ought I not to be siphoning? ought you not to be siphoning? ought he not to be siphoning? ought we not to be siphoning? ought you not to be siphoning? ought they not to be siphoning?
Perfect	V-ing perfect
ought I not to have siphoned? ought you not to have siphoned? ought he not to have siphoned? ought we not to have siphoned? ought you not to have siphoned? ought they not to have siphoned?	ought I not to have been siphoning? ought you not to have been siphoning? ought he not to have been siphoning? ought we not to have been siphoning? ought you not to have been siphoning? ought they not to have been siphoning?