English verb conjugation MUST BACKGROUND

Regular verb: background - backgrounded - backgrounded

Affirmation

Simple form

I must background
you must background
he must background
we must background
you must background
they must background

V-ing form

I must be backgrounding
you must be backgrounding
he must be backgrounding
we must be backgrounding
you must be backgrounding
they must be backgrounding

Perfect

I must have backgrounded
you must have backgrounded
he must have backgrounded
we must have backgrounded
you must have backgrounded
they must have backgrounded

V-ing perfect

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

Negation

Simple form

I must not background
you must not background
he must not background
we must not background
you must not background
they must not background

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I background?
must you background?
must he background?
must we background?
must you background?
must they background?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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