English verb conjugation MUST SIPHON

Regular verb: siphon - siphoned - siphoned

Affirmation

Simple form

I must siphon
you must siphon
he must siphon
we must siphon
you must siphon
they must siphon

V-ing form

I must be siphoning
you must be siphoning
he must be siphoning
we must be siphoning
you must be siphoning
they must be siphoning

Perfect

I must have siphoned
you must have siphoned
he must have siphoned
we must have siphoned
you must have siphoned
they must have siphoned

V-ing perfect

I must have been siphoning
you must have been siphoning
he must have been siphoning
we must have been siphoning
you must have been siphoning
they must have been siphoning

Negation

Simple form

I must not siphon
you must not siphon
he must not siphon
we must not siphon
you must not siphon
they must not siphon

V-ing form

I must not be siphoning
you must not be siphoning
he must not be siphoning
we must not be siphoning
you must not be siphoning
they must not be siphoning

Perfect

I must not have siphoned
you must not have siphoned
he must not have siphoned
we must not have siphoned
you must not have siphoned
they must not have siphoned

V-ing perfect

I must not have been siphoning
you must not have been siphoning
he must not have been siphoning
we must not have been siphoning
you must not have been siphoning
they must not have been siphoning

Interrogative form

Simple form

must I siphon?
must you siphon?
must he siphon?
must we siphon?
must you siphon?
must they siphon?

V-ing form

must I be siphoning?
must you be siphoning?
must he be siphoning?
must we be siphoning?
must you be siphoning?
must they be siphoning?

Perfect

must I have siphoned?
must you have siphoned?
must he have siphoned?
must we have siphoned?
must you have siphoned?
must they have siphoned?

V-ing perfect

must I have been siphoning?
must you have been siphoning?
must he have been siphoning?
must we have been siphoning?
must you have been siphoning?
must they have been siphoning?

Interro-negative form

Simple form

must I not siphon?
must you not siphon?
must he not siphon?
must we not siphon?
must you not siphon?
must they not siphon?

V-ing form

must I not be siphoning?
must you not be siphoning?
must he not be siphoning?
must we not be siphoning?
must you not be siphoning?
must they not be siphoning?

Perfect

must I not have siphoned?
must you not have siphoned?
must he not have siphoned?
must we not have siphoned?
must you not have siphoned?
must they not have siphoned?

V-ing perfect

must I not have been siphoning?
must you not have been siphoning?
must he not have been siphoning?
must we not have been siphoning?
must you not have been siphoning?
must they not have been siphoning?

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