English verb conjugation MUST SNUFF

Regular verb: snuff - snuffed - snuffed

Affirmation

Simple form

I must snuff
you must snuff
he must snuff
we must snuff
you must snuff
they must snuff

V-ing form

I must be snuffing
you must be snuffing
he must be snuffing
we must be snuffing
you must be snuffing
they must be snuffing

Perfect

I must have snuffed
you must have snuffed
he must have snuffed
we must have snuffed
you must have snuffed
they must have snuffed

V-ing perfect

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

Negation

Simple form

I must not snuff
you must not snuff
he must not snuff
we must not snuff
you must not snuff
they must not snuff

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I snuff?
must you snuff?
must he snuff?
must we snuff?
must you snuff?
must they snuff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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