English verb conjugation MUST SCOFF

Regular verb: scoff - scoffed - scoffed

Affirmation

Simple form

I must scoff
you must scoff
she must scoff
we must scoff
you must scoff
they must scoff

V-ing form

I must be scoffing
you must be scoffing
she must be scoffing
we must be scoffing
you must be scoffing
they must be scoffing

Perfect

I must have scoffed
you must have scoffed
she 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
she 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
she 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
she 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
she 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
she 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 she scoff?
must we scoff?
must you scoff?
must they scoff?

V-ing form

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

Perfect

must I have scoffed?
must you have scoffed?
must she 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 she 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 she 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 she 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 she 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 she 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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