English verb conjugation
CAN SIPHON

Regular verb: siphon - siphoned - siphoned

Affirmation

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

Interrogative form

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