English verb conjugation MUST SCOFF

Regular verb: scoff - scoffed - scoffed

Affirmation

Simple form

I must scoff
you must scoff
he must scoff
we must scoff
you must scoff
they must scoff

V-ing form

I must be scoffing
you must be scoffing
he must be scoffing
we must be scoffing
you must be scoffing
they must be scoffing

Perfect

I must have scoffed
you must have scoffed
he must have scoffed
we must have scoffed
you must have scoffed
they must have scoffed

V-ing perfect

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

Negation

Simple form

I must not scoff
you must not scoff
he must not scoff
we must not scoff
you must not scoff
they must not scoff

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I scoff?
must you scoff?
must he scoff?
must we scoff?
must you scoff?
must they scoff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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