English verb conjugation
CAN SIPHON

Regular verb: siphon - siphoned - siphoned

Affirmation

Simple form	V-ing form
I can siphon you can siphon she can siphon we can siphon you can siphon they can siphon	I can be siphoning you can be siphoning she can be siphoning we can be siphoning you can be siphoning they can be siphoning
Perfect	V-ing perfect
I can have siphoned you can have siphoned she can have siphoned we can have siphoned you can have siphoned they can have siphoned	I can have been siphoning you can have been siphoning she can have been siphoning we can have been siphoning you can have been siphoning they can have been siphoning

Negation

Simple form	V-ing form
I cannot siphon you cannot siphon she cannot siphon we cannot siphon you cannot siphon they cannot siphon	I cannot be siphoning you cannot be siphoning she cannot be siphoning we cannot be siphoning you cannot be siphoning they cannot be siphoning
Perfect	V-ing perfect
I cannot have siphoned you cannot have siphoned she cannot have siphoned we cannot have siphoned you cannot have siphoned they cannot have siphoned	I cannot have been siphoning you cannot have been siphoning she cannot have been siphoning we cannot have been siphoning you cannot have been siphoning they cannot have been siphoning

Interrogative form

Simple form	V-ing form
can I siphon? can you siphon? can she siphon? can we siphon? can you siphon? can they siphon?	can I be siphoning? can you be siphoning? can she be siphoning? can we be siphoning? can you be siphoning? can they be siphoning?
Perfect	V-ing perfect
can I have siphoned? can you have siphoned? can she have siphoned? can we have siphoned? can you have siphoned? can they have siphoned?	can I have been siphoning? can you have been siphoning? can she have been siphoning? can we have been siphoning? can you have been siphoning? can they have been siphoning?

Interro-negative form

Simple form	V-ing form
can I not siphon? can you not siphon? can she not siphon? can we not siphon? can you not siphon? can they not siphon?	can I not be siphoning? can you not be siphoning? can she not be siphoning? can we not be siphoning? can you not be siphoning? can they not be siphoning?
Perfect	V-ing perfect
can I not have siphoned? can you not have siphoned? can she not have siphoned? can we not have siphoned? can you not have siphoned? can they not have siphoned?	can I not have been siphoning? can you not have been siphoning? can she not have been siphoning? can we not have been siphoning? can you not have been siphoning? can they not have been siphoning?